Oil Separators

A crankcase oil separator, often called a catch can, is one of the most effective ways to protect your engine from the harmful effects of oil vapor re-circulation. In both port-injected and direct-injected engines, the PCV system routes crankcase gases back into the intake tract. Over time, oil mist can coat intake valves, throttle bodies, and intercooler cores, leading to carbon buildup, reduced efficiency, and potential knock. A properly installed oil separator intercepts these vapors, condenses the oil, and allows only clean air to pass through. The result is a cleaner intake charge, more consistent combustion, and extended engine life—particularly critical for forced induction and high-performance applications. When choosing an oil separator, key considerations include:
  • Capacity – a larger can requires less frequent draining
  • Baffling and filtration media – multi-stage separation improves efficiency
  • Construction – billet aluminum or durable polymers with anodized finishes and O-ring seals
  • Mounting and fitment – look for vehicle-specific brackets or universal kits with proper-sized ports
  • Serviceability – a convenient drain valve or dipstick makes maintenance simple
Whether you're dealing with a direct-injection daily driver or a boosted track build, adding a quality oil separator is low-cost insurance against long-term intake fouling. Our collection includes options ranging from compact universal catch cans to application-specific solutions designed for easy bolt-in installation.
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K&N black air oil separator catch can with factory-style quick-connect hoses for 2018-2025 Jeep 3.6L engines.

$157.99

In stock
K&N 81-0813 air oil separator catch can with factory-style hoses for 2016-2023 Toyota Tacoma.

$157.99

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K&N Air Oil Separator catch can with factory-style quick-connect hoses for 2020-2025 GM 6.6L heavy duty trucks.

$157.99

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K&N Air Oil Separator catch can with vehicle-specific mounting bracket and quick-connect hoses for 2021-2024 Ford Bronco.

$157.99

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K&N air oil separator catch can with factory-style quick-connect hoses for 2016-2024 Chevrolet Camaro 6.2L

$149.99

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K&N black high-capacity air oil separator catch can with factory-style quick-connect hoses for 5.7L Hemi engines.

$157.99

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K&N black air oil separator catch can with factory-style quick-connect hoses for GM 5.3L and 6.2L engines

$157.99

In stock
K&N 81-0804 Air Oil Separator catch can kit with factory-style quick-connect hoses and mounting bracket.

$157.99

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K&N 81-0803 Air Oil Separator reservoir and bracket for 6.2L Dodge Challenger, Charger, and Durango

$157.99

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K&N Air Oil Separator with factory-style quick-connect hoses for 2018-2023 Ford Mustang 5.0L

$157.99

In stock
K&N 81-0801 high-capacity air oil separator catch can with factory-style quick-connect hoses and mounting bracket.

$157.99

In stock
Clear anodized aluminum canister extension for J&L Oil Separator 3.0 with rubber O-ring seal.

$44.00

Low in stock
Black anodized J&L 3.0 oil separator cannister extension with replacement O-ring seal.

$44.00

Low in stock
J&L 3.0 Clear Anodized Billet Aluminum Oil Separator with knurled base for 2016-2022 Honda Pilot

$169.00

Low in stock
Black anodized J&L Oil Separator 3.0 billet aluminum canister with knurled base for 2016-2022 Honda Pilot.

$169.00

Low in stock
Black anodized J&L 3.0 billet aluminum oil separator with knurled base and mounting bracket for Hyundai Elantra N.

$169.00

In stock
J&L 3.0 Clear Anodized billet aluminum oil separator with knurled base for Toyota 4.0L driver side installation.

$169.00

Low in stock
Black anodized J&L Oil Separator 3.0 billet aluminum catch can for Toyota 4.0L engines.

$169.00

Low in stock
J&L Oil Separator 3.0 in black anodized finish for Kia Stinger 3.3L TT passenger side.

$169.00

Low in stock
Clear anodized J&L Oil Separator 3.0 driver side kit for 2016-2023 Toyota Tacoma 3.5L.

$169.00

Low in stock
Black anodized billet aluminum J&L 3.0 oil separator for 2016-2023 Toyota Tacoma 3.5L driver side.

$169.00

Out of stock
J&L black billet aluminum 3oz oil separator with knurled base and quick-connect PCV fittings.

$169.00

In stock
Black anodized J&L billet aluminum oil separator with quick-connect PCV hoses for 2023-2025 Ford F-150 Raptor.

$169.00

Out of stock
Clear anodized billet aluminum J&L Oil Separator 3.0 with quick-connect hoses for 2024-2026 Ford Mustang EcoBoost.

$169.00

Out of stock
Black anodized J&L 3.0 passenger side oil separator for 2019-2023 Chevrolet Silverado and GMC Sierra 1500 2.7L.

$169.00

Out of stock
Clear anodized billet aluminum J&L Oil Separator 3.0 with PCV hoses and quick-connect fittings

$169.00

Low in stock
Black anodized J&L Oil Separator 3.0 with quick-connect fittings and knurled base for 2024-2026 Ford Mustang GT.

$169.00

Low in stock
Black anodized J&L 3.0 billet aluminum oil separator with quick connect fittings for 2024-2026 Ford Mustang 5.0L.

$169.00

Low in stock
Black anodized billet aluminum J&L Oil Separator 3.0 with quick-connect PCV fittings for Chevrolet Corvette.

$169.00

Low in stock
Clear anodized J&L 3.0 oil separator with quick-connect PCV fittings and knurled billet aluminum reservoir.

$169.00

Low in stock

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