For a vehicle-specific setup, I put the K&N 81-0805 first for select Silverado and Sierra models because its application-specific design reduces the guesswork of a universal install. The Moroso 85474 stands out as a flexible universal option, while the EVIL ENERGY 10AN 1.2L kit suits builds that need more capacity and dual breathers. The main tradeoffs are vehicle fit versus adaptability, compact size versus service interval, and a complete kit versus the extra work of sourcing compatible hoses or fittings. I ranked these options by how clearly their design serves a particular buyer and by the balance of build, installation demands, and maintenance. Read on for the full breakdown and help matching a catch can to your setup.
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Key Takeaways
- Vehicle-specific fit separates the K&N picks: the 81-0805 and 81-0801 are aimed at named vehicle applications, which can simplify mounting and routing compared with universal cans, but limits their audience.
- The Moroso 85474 is the flexible all-around choice: its universal positioning makes it a stronger candidate for custom setups than vehicle-specific K&N models, though universal fit means buyers must plan mounting and plumbing.
- Capacity changes the maintenance equation: the 1.2L EVIL ENERGY kit offers more room between checks than the 300 ml options, while its larger dual-filter layout calls for more installation space.
- EVIL ENERGY’s many similar kits differ by configuration: buyers should compare ports, breather inclusion, hose, and capacity instead of assuming every 300 ml or 750 ml listing is interchangeable.
- Complete kits favor straightforward installs, while standalone or universal options reward planning: included hose and fittings can reduce parts hunting, but vehicle compatibility and routing still need to be confirmed.
| Moroso 85474 Universal Air/Oil Separator Catch Can |  | Best Premium Universal Build | Part number: 85474 | Material: Aluminum | Dimensions: 4.5 × 7.38 × 13.75 inches | VIEW ON AMAZON | See Our Full Breakdown |
| EVIL ENERGY Baffled Oil Catch Can Kit, 300 ml, 2-Port |  | Best Compact Kit for Routine PCV Maintenance | Model: EV01516BK | Capacity: 300 ml | Ports: 2 | VIEW ON AMAZON | See Our Full Breakdown |
| Riva Racing RS19050-BCC-6 Oil Catch Can |  | Best for Compatible Personal Watercraft | Brand: Riva Racing | Part number: RS19050-BCC-6 | Dimensions: 12 × 10 × 4 inches | VIEW ON AMAZON | See Our Full Breakdown |
| K&N Air Oil Separator Catch Can, 81-0805, for Select 2014–2018 Silverado and Sierra 1500 and 2015–2020 SUVs |  | Best Vehicle-Specific Fit | Model and part number: 81-0805 | Weight: 2 pounds | Included components: Catch can and mounting bracket | VIEW ON AMAZON | See Our Full Breakdown |
| EVIL ENERGY 750 ml 10AN Baffled Oil Catch Can with Breather Filter |  | Best High-Capacity Universal Pick | Model: EV-00831BK | Capacity: 750 ml | Material: Aluminum | VIEW ON AMAZON | See Our Full Breakdown |
| EVIL ENERGY 300 ml Baffled Oil Catch Can Kit with Breather Filter |  | Best for Flexible PCV Setups | Capacity: 300 ml | Material: Aluminum | Ports: 2 | VIEW ON AMAZON | See Our Full Breakdown |
| EVIL ENERGY Oil Catch Can Kit, 300ml Universal 2-Port Baffled Catch Can |  | Best for Longer Hose Runs | Capacity: 300 ml | Hose length: 5 ft (1.5 m) | Hose inner diameter: 3/8 in | VIEW ON AMAZON | See Our Full Breakdown |
| EVIL ENERGY 10AN 750 ml Oil Catch Can Kit with Breather Filter and Hose |  | Best for Easy Draining | Capacity: 750 ml | Material: Aluminum alloy | Hose: 10 ft braided CPE | VIEW ON AMAZON | See Our Full Breakdown |
| EVIL ENERGY 10AN 1.2L Baffled Oil Catch Can Kit with Dual Breather Filters |  | Best for High-Capacity Builds | Capacity: 1.2 L | Material: Aluminum alloy | Construction: TIG-welded seams with dual internal baffles | VIEW ON AMAZON | See Our Full Breakdown |
| EVIL ENERGY 300 ml Baffled Oil Catch Can Kit |  | Best Compact Basic Kit | Listed capacity: 400 ml (title states 300 ml) | Material: Aluminum | Hose: NBR, 2.6 ft (0.8 m) | VIEW ON AMAZON | See Our Full Breakdown |
| K&N Air Oil Separator for Select Dodge, Jeep, and Chrysler Vehicles, 81-0801 |  | Best for Factory-Style Fit | Model: 81-0801 | Brand: K&N | Compatible vehicles: 2011–2021 Dodge Challenger; 2012–2021 Dodge Charger; 2018–2021 Dodge Durango; 2012–2021 Jeep Grand Cherokee; 2012–2014 Chrysler 300 | VIEW ON AMAZON | See Our Full Breakdown |
| Oil Catch Can Tank with Hose Kit, 300ml Universal Oil Separator for Car and Motorcycle |  | Best Compact Universal Pick | Material: Aluminum alloy | Capacity: 300ml | Diameter: 2.69 inches / 68.2mm | VIEW ON AMAZON | See Our Full Breakdown |
| K&N Air Oil Separator (Catch Can) for 2019-2023 Chevy Silverado, GMC Sierra, Tahoe, Suburban, Yukon, and Cadillac Escalade |  | Best for GM Truck and SUV Owners | Model number: 81-0804 | Manufacturer: K&N Engineering, Inc. | Compatibility: 2019–2023 Chevy Silverado 1500; 2021–2023 Tahoe/Suburban; 2019–2023 GMC Sierra 1500; 2021–2023 Yukon/Yukon XL; 2020–2023 Cadillac Escalade/Escalade ESV | VIEW ON AMAZON | See Our Full Breakdown |
| premium oil catch can | Material | Capacity |
|---|---|---|
| Moroso 85474 Universal Air/Oil | Aluminum | — |
| EVIL ENERGY Baffled Oil Catch | — | 300 ml |
| Riva Racing RS19050-BCC-6 Oil | — | — |
| K&N Air Oil Separator Catch Ca | — | — |
| EVIL ENERGY 750 ml 10AN Baffle | Aluminum | 750 ml |
| EVIL ENERGY 300 ml Baffled Oil | Aluminum | 300 ml |
| EVIL ENERGY Oil Catch Can Kit | — | 300 ml |
| EVIL ENERGY 10AN 750 ml Oil Ca | Aluminum alloy | 750 ml |
| EVIL ENERGY 10AN 1.2L Baffled | Aluminum alloy | 1.2 L |
| EVIL ENERGY 300 ml Baffled Oil | Aluminum | — |
| K&N Air Oil Separator for Sele | — | — |
| Oil Catch Can Tank with Hose K | Aluminum alloy | 300ml |
| K&N Air Oil Separator | — | — |
More Details on Our Top Picks
Moroso 85474 Universal Air/Oil Separator Catch Can
The Moroso 85474 is the strongest fit here for buyers who want a substantial universal separator with its core installation hardware included. Its billet aluminum body, internal baffling, and mesh media give it a more performance-oriented construction story than the vehicle-specific K&N 81-0805, whose appeal is easier factory-style installation on listed trucks and SUVs. Moroso supplies fittings, hoses, and mounting hardware, which can reduce the parts hunt, but “universal” still means checking clearances and adapting the setup to your engine bay. At 3 pounds and nearly 14 inches long, it needs room and a secure mounting point. Choose it for a custom build where build material and included installation pieces matter; skip it if you want a vehicle-matched, near-direct fit.
Pros:- Billet aluminum body with internal baffling and mesh media
- Includes heavy-duty fittings, hoses, and mounting hardware
- Universal design can suit a range of custom applications
Cons:- Universal fit may require vehicle-specific hose routing or customization
- Its 13.75-inch length and 3-pound weight call for adequate clearance and mounting support
Best for: Custom-build owners who want an aluminum separator with baffling, mesh media, and mounting pieces in one package.
Not ideal for: Drivers seeking a vehicle-specific installation with minimal fitment work, or owners with limited engine-bay space.
- Part number:85474
- Material:Aluminum
- Dimensions:4.5 × 7.38 × 13.75 inches
- Weight:3 pounds
- Separation features:Internal baffling and mesh media
- Included hardware:Heavy-duty fittings, hoses, and mounting hardware
- Fitment:Universal; may require customization
- Country of origin:United States
Our verdict“Choose the Moroso for a well-equipped custom installation where its aluminum construction and separation media justify the fitment work.”
EVIL ENERGY Baffled Oil Catch Can Kit, 300 ml, 2-Port
This 300 ml, two-port kit favors a defined PCV setup over the larger capacity of the EVIL ENERGY 750 ml 10AN can. Its removable baffle and bronze filter are designed to collect oil and moisture, while the included five-foot NBR hose and fittings provide useful starting pieces for installation. That smaller capacity means less room between checks than a 750 ml can, but it can suit a tidy installation where space and a straightforward two-port layout matter more than extended collection capacity. The maker advises weekly cleaning in freezing conditions, since accumulated moisture can freeze. Check the M16 × 1.5 connections and available engine-bay clearance before buying; this kit is a practical choice for hands-on PCV maintenance, not a fit-and-forget option in cold climates.
Pros:- Removable baffle and bronze filter provide a serviceable separation setup
- Includes 5 feet of NBR hose and fittings
- Two-port, 300 ml format suits compact PCV installations
Cons:- Weekly cleaning is advised in freezing conditions because moisture can freeze
- Fitment requires enough space and compatibility with the M16 × 1.5 connections
- Smaller capacity requires more frequent monitoring than the EVIL ENERGY 750 ml can
Best for: DIY owners building a two-port front-PCV setup who can inspect and empty a smaller can regularly.
Not ideal for: Drivers in freezing climates who cannot clean the can weekly, or anyone needing higher capacity between maintenance checks.
- Model:EV01516BK
- Capacity:300 ml
- Ports:2
- Filter:Removable baffle with bronze filter
- PCV application:Front of the PCV system
- Hose:NBR, 5 ft (1.5 m), 3/8 in inner diameter
- Inlet and outlet thread:M16 × 1.5
- Weight:2.23 lb
Our verdict“Pick this kit for a compact two-port PCV installation if you are prepared to inspect and clean it regularly.”
Riva Racing RS19050-BCC-6 Oil Catch Can
The Riva Racing RS19050-BCC-6 has a distinct place in this roundup: it is aimed at specific Sea-Doo and Yamaha models, rather than general automotive installations. Its translucent construction lets owners check collected oil at a glance, and the integrated drain valve makes service more direct than on a universal can that must be removed to empty. Riva also positions the separator around reducing oil vapor in the intake and supporting intercooler efficiency. That application focus sets it apart from the Moroso 85474, which is built for universal automotive fitment but may need custom routing. The tradeoff is that compatibility is narrow and the provided product data does not specify capacity or material. Confirm your exact watercraft model, and plan to inspect and clean the can using methods that avoid harsh chemicals.
Pros:- Translucent design supports quick oil-level inspection
- Integrated drain valve simplifies emptying
- Designed for listed Sea-Doo and Yamaha applications
- Targets oil vapor reduction in the intake and intercooler system
Cons:- Compatibility is limited to specific Sea-Doo and Yamaha models
- Capacity and construction material are not stated in the supplied product data
- Requires regular inspection and cleaning without harsh chemicals
Best for: Sea-Doo or Yamaha personal-watercraft owners whose exact model is listed as compatible and who want visible level checks.
Not ideal for: Automotive buyers or watercraft owners whose model compatibility is unconfirmed.
- Brand:Riva Racing
- Part number:RS19050-BCC-6
- Dimensions:12 × 10 × 4 inches
- Application:Specific Sea-Doo and Yamaha models
- Can design:Translucent for level inspection
- Drain:Integrated drain valve
- Intended function:Oil vapor separation from intake air
Our verdict“Choose the Riva only if your Sea-Doo or Yamaha is confirmed compatible and visible inspection with an integrated drain suits your maintenance routine.”
K&N Air Oil Separator Catch Can, 81-0805, for Select 2014–2018 Silverado and Sierra 1500 and 2015–2020 SUVs
For owners of the listed GM trucks and SUVs, the K&N 81-0805 prioritizes fit and service access over the custom flexibility of the Moroso 85474. Its factory-style hose connections and included bracket are intended to simplify installation, which the product description estimates at about 30 minutes with basic tools. The reservoir can be checked and emptied without tools, a useful routine advantage over universal cans that may require more hands-on fitting. The limitation is fitment: the listed model years and vehicles are specific, so buyers should verify their exact application before ordering. The listing also gives conflicting warranty durations, and the product is not legal for sale or use in California on pollution-controlled motor vehicles. Choose it for a compatible vehicle and convenient maintenance; look elsewhere for a universal build.
Pros:- Vehicle-specific fitment for listed GM trucks and SUVs
- Factory-style hose connections and included mounting bracket
- Product description estimates installation at about 30 minutes with basic tools
- Reservoir can be checked and emptied without tools
Cons:- Fitment is limited to the listed vehicles and model years
- Not legal for sale or use in California on pollution-controlled motor vehicles
- Warranty duration is inconsistent across the supplied listing information
Best for: Owners of a specifically listed Silverado, Sierra, Tahoe, Suburban, Yukon, or Escalade who want factory-style connections and tool-free reservoir service.
Not ideal for: Owners of unlisted vehicles or California buyers whose vehicle is pollution-controlled.
- Model and part number:81-0805
- Weight:2 pounds
- Included components:Catch can and mounting bracket
- Installation time:About 30 minutes
- Connections:Factory-style hose connections
- Fitment:Select 2014–2018 Silverado 1500 and Sierra 1500; select 2015–2020 Suburban, Tahoe, Yukon, and Yukon XL; select 2015–2019 Escalade, Escalade ESV, Yukon Denali, and Yukon Denali XL; select 2016–2018 Silverado and Sierra 1500 Hybrid
- Reservoir service:Can be checked and emptied without tools
- California use:Not legal for sale or use on pollution-controlled motor vehicles in California
- Warranty listing:No-Hassle Lifetime Limited Warranty stated in description; product information lists 3 months
Our verdict“Choose the K&N 81-0805 if your vehicle is on the fitment list and you value a straightforward installation and tool-free servicing.”
EVIL ENERGY 750 ml 10AN Baffled Oil Catch Can with Breather Filter
Among the universal options here, the EVIL ENERGY 750 ml 10AN is the capacity-led choice: it holds more than twice the 300 ml EVIL ENERGY kit, so it may mean fewer emptying intervals when an engine produces substantial blowby. Its baffled aluminum can separates PCV or CCV vapor, while the bottom drain valve lets owners empty it without removing the can. The 10AN fittings suit a different hose and plumbing approach from the smaller kit’s supplied NBR hose, so buyers should confirm their connection plan before installation. Universal fit also leaves clearance and mounting decisions to the owner. This makes the model more suitable for a spacious performance engine bay than a compact factory-style setup; choose the K&N 81-0805 instead if your listed GM vehicle and simpler factory-style connections are the priority.
Pros:- 750 ml capacity offers more collection room than the 300 ml EVIL ENERGY kit
- Baffled design is intended to separate PCV and CCV vapors
- Bottom drain valve allows emptying without removing the can
- Aluminum construction
Cons:- Universal fit requires buyers to check engine-bay space and mounting
- 10AN fittings may require compatible hoses or additional plumbing
- Product data does not specify the breather filter details
Best for: Performance or custom-build owners with room for a 750 ml can and a PCV or CCV system set up for 10AN fittings.
Not ideal for: Owners with a tight engine bay, no 10AN-compatible plumbing plan, or a listed GM vehicle better served by the K&N 81-0805.
- Model:EV-00831BK
- Capacity:750 ml
- Material:Aluminum
- Fittings:10AN (7/8-14 UNF)
- Ports:2
- Drain valve:3/8 NPT bottom valve
- Fitment:Universal
- Weight:0.6 kg
Our verdict“Choose this can for a roomy custom PCV or CCV installation where 750 ml capacity and a drain valve outweigh the fitment work.”
EVIL ENERGY 300 ml Baffled Oil Catch Can Kit with Breather Filter
The removable baffle and included breather filter give this kit more setup flexibility than the simpler EVIL ENERGY 300 ml Baffled Oil Catch Can Kit. I’d favor it for a build where the owner wants to choose between a filtered vent arrangement and a different PCV configuration. The 300 ml aluminum can is a compact choice, while the kit’s hose, adapters, clamps, and bracket reduce the number of separate parts to source. That convenience comes with fitment work: its 3/8-inch hose and M16 × 1.5 ports need to match the vehicle, and the short 2.6-foot hose can limit placement. Cold-weather owners also need to follow the maker’s recommendation for weekly cleaning in freezing conditions. It suits hands-on installers better than buyers seeking a vehicle-specific bolt-on system.
Pros:- Removable baffle is designed to separate oil and moisture.
- Includes breather filter, hose, adapters, clamps, and bracket.
- Can be configured with or without the breather filter.
- Aluminum 300 ml can keeps the package relatively compact.
Cons:- Universal fittings and hose dimensions require compatibility checks.
- The 2.6-foot hose may restrict mounting location.
- Freezing conditions call for weekly cleaning to reduce blockage risk.
Best for: DIY owners configuring a universal PCV setup who want a breather filter and mounting hardware in one kit.
Not ideal for: Drivers who need long hose runs, vehicle-specific fitment, or minimal cold-weather maintenance.
- Capacity:300 ml
- Material:Aluminum
- Ports:2
- Hose:3/8 in inner diameter; 2.6 ft length
- Port thread:M16 × 1.5
- Included fittings:6 adapters
- Weight:0.91 kg
- Included components:NBR hose, steel wool, 2 clamps, bracket, installation guide
Our verdict“Choose this kit if you want a compact, adaptable setup and are prepared to check fitment and maintain it in cold weather.”
EVIL ENERGY Oil Catch Can Kit, 300ml Universal 2-Port Baffled Catch Can
Among the two compact EVIL ENERGY kits here, this version supplies a 5-foot NBR hose, nearly twice the length of the 2.6-foot hose on the EVIL ENERGY 300 ml Baffled Oil Catch Can Kit with Breather Filter. That extra reach can make mounting easier when the best spot for the can is away from the PCV connections. Its removable baffle and steel wool are intended to catch oil and moisture, and the M16 × 1.5 thread suits compatible fittings. The tradeoff is a less fully specified package: the supplied details do not list a bracket or breather filter, so buyers should confirm what comes with the kit before planning installation. Universal fit also means measuring hose and connection sizes; freezing weather adds maintenance needs.
Pros:- 5-foot NBR hose offers more routing reach than the 2.6-foot compact kit.
- Removable baffle and steel wool are designed to trap oil and moisture.
- Universal configuration can suit varied compatible PCV layouts.
Cons:- Hose and fitting dimensions must be checked against the vehicle.
- Professional installation is recommended.
- Cold-weather blockage risk requires regular maintenance.
Best for: Owners of compatible PCV systems who need extra hose length to position a compact catch can.
Not ideal for: Buyers who want a confirmed breather filter, a clearly listed mounting bracket, or a vehicle-specific kit.
- Capacity:300 ml
- Hose length:5 ft (1.5 m)
- Hose inner diameter:3/8 in
- Hose outer diameter:5/8 in
- Thread size:M16 × 1.5
- Design:2-port with removable baffle and steel wool
- Fit:Universal
Our verdict“Pick this compact kit when hose reach matters more than a clearly documented bundle of mounting accessories.”
EVIL ENERGY 10AN 750 ml Oil Catch Can Kit with Breather Filter and Hose
The bottom drain valve is the defining advantage here: it gives routine emptying a simpler path than the smaller EVIL ENERGY 300 ml kits, which are listed with removable baffles but no drain valve. With 750 ml of capacity and a 10-foot braided CPE hose, this model also suits builds that need more volume and flexible routing. O-ring gaskets are intended to help contain leaks, and the stated working-pressure and temperature ratings offer useful boundaries for planning a compatible setup. Its size and 10AN connections make it less of a universal fit in practice than the label suggests: confirm the vehicle’s fittings and available engine-bay space. Buyers wanting a compact, light-duty installation may find the 300 ml kits easier to package.
Pros:- 750 ml capacity reduces how often the can needs emptying compared with 300 ml models.
- Bottom drain valve simplifies servicing.
- Includes 10-foot braided CPE hose.
- O-ring gaskets are designed to help prevent leaks.
Cons:- Larger can needs adequate mounting space.
- Universal designation does not remove the need to verify 10AN compatibility.
- At 2.04 kg, it is substantially heavier than the compact kits.
Best for: Modified-vehicle owners who want a larger reservoir, long braided hose, and a drain valve for servicing.
Not ideal for: Drivers with limited engine-bay space or stock PCV plumbing that does not suit 10AN connections.
- Capacity:750 ml
- Material:Aluminum alloy
- Hose:10 ft braided CPE
- Hose dimensions:0.56 in inner diameter; 0.78 in outer diameter
- Catch can thread:10AN, 7/8-14 UNF
- Drain valve thread:3/8 NPT
- Working pressure:500 PSI
- Operating temperature:-40°F to 257°F
Our verdict“Choose this model for a roomy modified setup where a drain valve and longer hose are worth the added size and weight.”
EVIL ENERGY 10AN 1.2L Baffled Oil Catch Can Kit with Dual Breather Filters
This is the lineup’s largest can, with 1.2 L capacity, dual internal baffles, and two breather filters. That combination targets modified setups that prioritize reservoir volume and separation hardware over a compact footprint. Compared with the EVIL ENERGY 10AN 750 ml Oil Catch Can Kit, it offers more capacity and two listed baffles, while both models include a bottom drain valve. The larger body can mean fewer emptying intervals, but it also demands more room and weighs 2.81 pounds. Its 10AN-to-M22 × 1.75 adapters help bridge connection types, yet universal fitment still calls for a careful engine-bay and plumbing check. This is a specialized choice for builds with space to spare, not a default upgrade for every vehicle.
Pros:- Largest listed capacity in this batch at 1.2 L.
- Dual internal baffles are designed to separate oil and moisture.
- Includes two breather filters and 10AN-to-M22 × 1.75 adapters.
- Bottom drain valve supports routine emptying.
Cons:- Requires substantial engine-bay space.
- Universal fitment requires checking plumbing and mounting compatibility.
- Designed for modified setups and may not suit every vehicle.
Best for: Owners of modified engines seeking a high-capacity baffled can with dual breathers and room for a larger installation.
Not ideal for: Drivers with tight engine bays, stock setups needing a vehicle-specific kit, or anyone prioritizing a compact can.
- Capacity:1.2 L
- Material:Aluminum alloy
- Construction:TIG-welded seams with dual internal baffles
- Fittings:10AN to M22 × 1.75 adapters
- Filters:Two breather filters
- Drain:Bottom drain valve
- Weight:2.81 pounds
- Package dimensions:11.5 × 6.85 × 4.96 in
Our verdict“Choose this high-capacity kit for a modified build with enough room for its larger body and fittings.”
EVIL ENERGY 300 ml Baffled Oil Catch Can Kit
This is the straightforward compact option for buyers who want a removable baffle and basic installation hardware in a smaller package. Its listed 400 ml capacity is modest compared with the 750 ml and 1.2 L EVIL ENERGY 10AN cans, but that smaller form may be easier to place in a crowded engine bay. The kit includes a short NBR hose, two fittings, clamps, and a bracket, and it can be configured with or without a breather filter. Compared with the EVIL ENERGY 300 ml Baffled Oil Catch Can Kit with Breather Filter, the listed package emphasizes the core can and mounting parts rather than six adapters. Confirm the supplied fittings and the conflicting title capacity before ordering; the hose is short, and cold-weather cleaning is part of ownership.
Pros:- Removable baffle is designed to catch oil and moisture.
- Includes NBR hose, fittings, clamps, and mounting bracket.
- Can be configured with or without a breather filter.
- Lighter than the listed 0.91 kg compact kit at 0.83 kg.
Cons:- Product title says 300 ml while the supplied specification lists 400 ml.
- Short 2.6-foot hose and universal fittings require fitment checks.
- Frequent cleaning is recommended in freezing conditions.
Best for: DIY owners with limited mounting space who need a basic baffled can and can verify the kit’s capacity and fittings.
Not ideal for: Buyers needing a long hose, large reservoir, vehicle-specific connections, or a fully specified capacity.
- Listed capacity:400 ml (title states 300 ml)
- Material:Aluminum
- Hose:NBR, 2.6 ft (0.8 m)
- Hose inner diameter:3/8 in
- Port thread:M16 × 1.5
- Ports:2
- Fit:Universal
- Model:EV01298BK-CA
Our verdict“Consider this compact basic kit if space is tight, but verify its capacity and connection details before purchase.”
K&N Air Oil Separator for Select Dodge, Jeep, and Chrysler Vehicles, 81-0801
The K&N 81-0801 suits owners of the listed Dodge, Jeep, and Chrysler vehicles who want a dedicated separator with factory-style hose connections. Its roughly 30-minute installation and tool-free reservoir checks make routine upkeep more approachable than a universal can such as the 300ml Universal Oil Separator, which may need extra adapters and more fitment planning. K&N does not list a reservoir capacity here, so buyers comparing storage volume should not assume it matches the universal can’s stated 300ml. The main tradeoff is narrow compatibility: this is tailored to specific model years rather than a flexible choice across vehicles. It also carries a California restriction for pollution-controlled vehicles, which may rule it out based on where the vehicle is registered or used.
Pros:- Vehicle-specific fitment for the listed Dodge, Jeep, and Chrysler models
- Factory-style hose connections simplify installation
- Installs in about 30 minutes with basic tools
- Reservoir can be checked and emptied without tools
Cons:- Compatibility is limited to specified vehicle models and years
- Not legal for sale or use in California on pollution-controlled motor vehicles
Best for: Owners of the listed 2011–2021 Dodge, 2012–2021 Jeep, or 2012–2014 Chrysler vehicles who want factory-style connections and tool-free reservoir maintenance
Not ideal for: Drivers with vehicles outside the listed fitment years, or California owners of pollution-controlled vehicles
- Model:81-0801
- Brand:K&N
- Compatible vehicles:2011–2021 Dodge Challenger; 2012–2021 Dodge Charger; 2018–2021 Dodge Durango; 2012–2021 Jeep Grand Cherokee; 2012–2014 Chrysler 300
- Installation time:About 30 minutes
- Item weight:1.94 pounds
- Product dimensions:13.4 x 7 x 3.1 inches
- Warranty:No-Hassle Lifetime Limited Warranty
- California restriction:Not legal for sale or use on pollution-controlled motor vehicles
Our verdict“Choose this K&N if your vehicle is on the fitment list and you prefer a factory-style installation over a universal can that may need adapter work.”
Oil Catch Can Tank with Hose Kit, 300ml Universal Oil Separator for Car and Motorcycle
This 300ml universal separator is the most adaptable choice in this group for buyers willing to plan their own installation. Its 6mm, 8mm, and 10mm adapters offer more hose-size flexibility than the vehicle-specific K&N 81-0801, though they do not guarantee a direct fit on every car or motorcycle. The welded aluminum body and O-ring gasket are intended to provide a sealed assembly, while its compact 2.69-inch diameter can help when mounting space is tight. That small footprint comes with a limited 300ml capacity, so owners who want longer intervals between checks may prefer a larger-capacity universal option, such as an EVIL ENERGY 750ml can. Expect to confirm hose sizing and mounting clearance before buying, and plan for regular cleaning.
Pros:- 300ml capacity in a compact 2.69-inch-diameter body
- Includes 6mm, 8mm, and 10mm adapters for varied hose sizes
- Anodized aluminum alloy construction
- Welded design and O-ring gasket are intended to support a sealed fit
Cons:- Universal labeling does not guarantee compatibility with every vehicle
- Limited 300ml capacity may call for more frequent checks than larger cans
- May need additional adapters and suitable mounting space
Best for: DIY car and motorcycle owners who need a compact can and can match its adapters and mounting space to their setup
Not ideal for: Drivers seeking a vehicle-specific, ready-fit installation or a larger reservoir that needs less frequent attention
- Material:Aluminum alloy
- Capacity:300ml
- Diameter:2.69 inches / 68.2mm
- Height:4.43 inches / 112.5mm
- Inlet/outlet thread:M16*1.5
- Adapters:6mm, 8mm, 10mm
Our verdict“Pick this can for a compact, adaptable installation if you can verify hose fit and are comfortable handling maintenance yourself.”
K&N Air Oil Separator (Catch Can) for 2019-2023 Chevy Silverado, GMC Sierra, Tahoe, Suburban, Yukon, and Cadillac Escalade
For owners of the listed GM trucks and SUVs, the K&N 81-0804 pairs a high-capacity reservoir with factory-style hose connections and a tool-free collector. That vehicle-specific setup is a more direct route than the 300ml Universal Oil Separator, which asks buyers to check adapters, hose dimensions, and mounting clearance. The fitment spans several Chevrolet, GMC, and Cadillac models, but only within the stated years; it is not a general-purpose choice. K&N lists the reservoir as high capacity without giving a volume in the supplied specifications, so shoppers who need a precise capacity comparison will have less to go on. The California restriction also matters, and may exclude this separator for some owners regardless of its convenient maintenance design.
Pros:- Fitment covers specified Chevrolet, GMC, and Cadillac trucks and SUVs
- Factory-style hose connections support a vehicle-specific installation
- Tool-free reservoir checking and emptying simplify upkeep
- No-Hassle Lifetime Limited Warranty
Cons:- Compatibility is limited to the listed models and year ranges
- The supplied specifications do not state the reservoir’s capacity
- Not legal for sale or use in California on pollution-controlled motor vehicles
Best for: Owners of compatible 2019–2023 Silverado or Sierra 1500 trucks and listed 2020–2023 Cadillac or 2021–2023 GM SUVs who want a vehicle-specific separator
Not ideal for: Drivers outside the listed model years, buyers who need a stated reservoir volume, or California owners of pollution-controlled vehicles
- Model number:81-0804
- Manufacturer:K&N Engineering, Inc.
- Compatibility:2019–2023 Chevy Silverado 1500; 2021–2023 Tahoe/Suburban; 2019–2023 GMC Sierra 1500; 2021–2023 Yukon/Yukon XL; 2020–2023 Cadillac Escalade/Escalade ESV
- Item weight:1.83 pounds
- Product dimensions:13.38 x 7 x 3.13 inches
- Exterior finish:Machined
- Warranty:No-Hassle Lifetime Limited Warranty
- California restriction:Not legal for sale or use on pollution-controlled motor vehicles
Our verdict“Choose the 81-0804 if you own a listed GM vehicle and want a tailored installation with tool-free reservoir service.”
How We Picked
I ranked these premium oil catch cans around the decisions that shape ownership: whether the product targets a specific vehicle, what the listed capacity and port arrangement support, whether hoses or breathers are included, and how much installation planning a buyer may need. I treated a clearly stated vehicle application as a real advantage for owners of that vehicle, not as a universal benefit. Capacity and included parts matter because they affect service cadence and the amount of additional hardware a buyer may need.
The order reflects fit confidence, configuration clarity, and buyer usefulness. The Moroso and application-specific K&N cans rank highly for distinct, well-defined use cases; the larger EVIL ENERGY options follow for buyers who need greater capacity or a particular AN layout. The several 300 ml universal kits offer accessible configurations, but their similar names and varying accessories make careful listing-by-listing comparison essential. I have not inferred performance figures, materials, or compatibility beyond the product details provided.
| premium oil catch can | Material |
|---|---|
| Moroso 85474 Universal Air/Oil | Aluminum |
| EVIL ENERGY Baffled Oil Catch | — |
| Riva Racing RS19050-BCC-6 Oil | — |
| K&N Air Oil Separator Catch Ca | — |
| EVIL ENERGY 750 ml 10AN Baffle | Aluminum |
| EVIL ENERGY 300 ml Baffled Oil | Aluminum |
| EVIL ENERGY Oil Catch Can Kit | — |
| EVIL ENERGY 10AN 750 ml Oil Ca | Aluminum alloy |
| EVIL ENERGY 10AN 1.2L Baffled | Aluminum alloy |
| EVIL ENERGY 300 ml Baffled Oil | Aluminum |
| K&N Air Oil Separator for Sele | — |
| Oil Catch Can Tank with Hose K | Aluminum alloy |
| K&N Air Oil Separator | — |
Factors to Consider When Choosing Premium Oil Catch Cans
Before choosing a can, I would match its plumbing and mounting demands to the vehicle and the way it is used. These broader checks can prevent a well-equipped product from becoming an awkward installation.
Match the Can to Your Vehicle and PCV Layout
A vehicle-specific can can simplify mounting and hose routing, but only when the listed application matches your exact year, engine, and trim. Universal cans leave more freedom for custom builds, yet they transfer the fitment work to you. Check where the crankcase ventilation lines run and whether the intended setup connects to one or more ports. A mismatch can mean extra adapters, altered hoses, or a mount that conflicts with nearby components. Do not treat a model name that includes your vehicle brand as proof of fit. Confirm the manufacturer’s fitment details before ordering, especially across model-year or engine changes. Pay more for application-specific hardware when reducing fabrication work matters more than reuse across vehicles.
Choose Capacity Around Inspection Habits
Capacity is useful only when paired with a realistic plan to inspect and empty the can. A larger reservoir can provide more room between service checks, but it takes up more space and does not remove the need for routine inspection. A compact can may suit a tight engine bay or a driver willing to check it regularly. Oil accumulation can vary with engine condition, driving pattern, and climate, so listed volume alone cannot predict a fixed service interval. Leave room to reach the drain or remove the can without dismantling nearby parts. Buyers sometimes choose the largest tank without checking clearance or service access. I would prioritize a reachable mounting location before chasing capacity.
Read the Port and Hose Details Closely
Port count and fitting size determine how the can can connect to the engine’s ventilation lines. A 2-port layout may work for a simpler routing plan, while AN fittings can suit builds already using compatible hose and adapters. Included hose reduces sourcing, but it may not match the required length, diameter, heat rating, or bend path for your installation. Sketch the route before buying and note each connection point. Sharp bends and stretched lines can make an otherwise suitable kit difficult to install neatly. Check whether fittings are included and whether their thread or AN size matches your current setup. A kit with more parts can save shopping time, but it does not guarantee a plug-and-play fit.
Decide Whether You Need a Breather Filter
A breather filter changes how the catch can is configured and may affect how it integrates with the rest of the ventilation system. Some listed kits include one or two breathers, while others focus on the can and ports. Do not select a filter-equipped kit just because it appears more complete; first confirm that the intended routing calls for that arrangement. Check local emissions rules and the vehicle manufacturer’s guidance before changing crankcase ventilation routing. Buyers can overlook this system-level issue when comparing accessory counts. Also consider filter placement, since it needs clearance and may need periodic cleaning or replacement. The right choice follows the engine’s intended plumbing and your use case, not the largest accessory bundle.
Weigh Serviceability Against Installation Complexity
A catch can is a maintenance item, so access to its drain, lid, or internal parts matters over time. A compact can may be easier to package, but a cramped location can make routine emptying unpleasant. A larger kit with dual breathers may offer a configuration that suits a modified engine bay, while adding more components to mount and inspect. Before committing, check how the can opens, where collected fluid exits, and whether removal requires tools. Think about winter conditions too: moisture can collect in ventilation systems, making inspection frequency relevant. A low-friction service routine is often more useful than a feature you rarely use. Choose the layout you can maintain consistently.
Spend More for a Clear Fit or a Specific Build Need
A higher-end purchase makes sense when it solves a real constraint, such as exact vehicle fit, an established AN hose setup, or the need for a larger reservoir. The roundup’s K&N options focus on named vehicle applications, while the EVIL ENERGY range spans several universal capacities and accessory combinations. Those are different buying propositions, even when both are marketed as catch cans. Avoid paying extra for included pieces that your setup cannot use, and avoid choosing a bare or universal can if adapters and fabrication erase the apparent simplicity. Confirm the replacement-filter or service-part path if the design includes a filter. The best spend is the one that reduces work or supports a known system requirement.
Frequently Asked Questions
Should I choose a vehicle-specific K&N can or a universal Moroso or EVIL ENERGY option?
I would start with the exact vehicle, engine, and model year. A K&N can listed for your application may reduce mounting and routing uncertainty, but it will not suit vehicles outside that fitment. The Moroso 85474 and universal EVIL ENERGY cans allow more custom placement, which can help modified vehicles or owners who want to reuse parts. That flexibility also means you must verify ports, hose sizes, clearance, and mounting points yourself. If the vehicle-specific listing does not explicitly cover your configuration, treat it as unconfirmed and check fitment before purchase.
Is a 1.2L catch can a better choice than a 300 ml model?
Not automatically: the larger 1.2L option provides more collection space, but it also needs more room in the engine bay. Capacity can extend the time between emptying for some setups, though actual accumulation depends on the engine and driving conditions. A 300 ml can may be easier to package and service when mounted accessibly. Compare the available space and your inspection habits before deciding. I would choose the larger can only when its size and plumbing suit the build, rather than assuming more capacity means better fit for every vehicle.
Do I need a kit that includes hose and a breather filter?
Included components can reduce the number of separate parts to source, but they do not confirm that the kit matches your engine’s plumbing. Check hose dimensions, fitting compatibility, routing length, and whether the intended system uses a breather. Some EVIL ENERGY listings include hose or one or more breathers, while other configurations emphasize the can itself. A filter-equipped setup may change ventilation routing, so review the vehicle guidance and applicable emissions rules first. Choose a bundled kit for parts you can use, not for its accessory count alone.
How can I tell whether a catch can will fit in my engine bay?
Measure the proposed mounting area and leave access for the can’s lid, drain, and hose connections. Check for nearby heat sources, moving parts, and service items that could be blocked once the can is installed. Universal models need you to identify a secure mount and plan hose paths; a vehicle-specific product may provide more application guidance, but its exact fitment still needs confirmation. Compare dimensions and port orientation with the space available rather than judging from product photos. If the listing lacks measurements or a clear vehicle match, ask the seller or manufacturer before ordering.
How often will I need to empty and inspect an oil catch can?
There is no reliable interval that applies to every engine, since collection varies with engine condition, driving pattern, and weather. Start with frequent checks after installation so you can learn how quickly your own setup collects fluid. A larger tank may hold more, but it still needs inspection, and a compact can may require closer attention. Check the can before long trips and during routine maintenance until its collection pattern is familiar. Also look for loose hoses, leaks, or blocked connections when servicing it.
Conclusion
For most buyers who want a flexible, well-known universal direction, I recommend the Moroso 85474 as best overall. The EVIL ENERGY 300 ml 2-port kit is my best value-style pick for a straightforward universal setup, while the EVIL ENERGY 10AN 1.2L kit is the best premium choice for builds that need greater capacity and dual breathers. Beginners with a matching vehicle should start with the application-specific K&N 81-0805 or 81-0801, after confirming exact fitment. For 750 ml capacity or included hose and breather configurations, compare the specific EVIL ENERGY listing details; for a custom build, prioritize port compatibility and mounting space over the brand name. The right choice is the one that fits your ventilation layout and that you can service easily.
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