Oil Catch Cans & Breather Tanks

Oil catch cans and breather tanks look similar and do similar jobs, but they serve different purposes.

Oil Catch Cans

Normally, the PCV (positive crankcase ventilation)...

Oil catch cans and breather tanks look similar and do similar jobs, but they serve different purposes.

Oil Catch Cans

Normally, the PCV (positive crankcase ventilation) valve uses intake vacuum to relieve the pressure inside your crankcase, but that can result in oil mist and other blow-by contaminants building up on the valve and pistons, especially in direct-injection engines. An oil catch can (sometimes called an air/oil separator) is installed between the PCV valve and the intake, where it removes contaminants and allows only clean air to return to the intake manifold. Some have a reservoir that needs to be drained...

Oil catch cans and breather tanks look similar and do similar jobs, but they serve different purposes.

Oil Catch Cans

Breather Tanks

In forced induction and racing applications, the build-up of crankcase pressure can be much greater, so a breather tank is designed to vent that excess pressure into the atmosphere. They capture some blow-by with a catch can and air filter, and they may have an oil return. Importantly, breather tanks may not meet local emissions standards.

Top Brands

These devices are easy insurance for your high performance engine, and some builders use both a catch can and a breather tank. Summit Racing Equipment carries catch cans from trusted brands like Moroso, Mishimoto, Canton Racing, Ford Performance, JLT Performance, and many more.

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J&L Oil Separator Co. 3.0 Oil Separators 3084D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Driver Side, Chevy, GMC, 4.8, 5.3, 6.0, 6.2L, Kit

Part Number: JLT-3084D-B

4.8 out of 5 stars ( 10 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2018-2021 EXPEDITION, 2011-2025 F-150 - 3016P-B

J&L Oil Separator Co. 3.0 Oil Separators for 2018-2021 EXPEDITION, 2011-2025 F-150 - 3016P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Ford, Kit

Part Number: JLT-3016P-B

4.63 out of 5 stars ( 60 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2010-2015 CAMARO - 3080P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Chevy, 6.2L, Kit

Part Number: JLT-3080P-B

4.92 out of 5 stars ( 12 )

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J&L Oil Separator Co. 3.0 Oil Separators 3063P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Chrysler, Dodge, Jeep, 6.4L, Kit

Part Number: JLT-3063P-B

4.43 out of 5 stars ( 35 )

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J&L Oil Separator Co. 3.0 Oil Separators 3086D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Driver Side, Chevy, GMC, 5.3L, 6.2L, Kit

Part Number: JLT-3086D-B

4.82 out of 5 stars ( 17 )

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J&L Oil Separator Co. 3.0 Oil Separators 3060P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Dodge, Jeep, 6.2L, Kit

Part Number: JLT-3060P-B

4.56 out of 5 stars ( 16 )

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J&L Oil Separator Co. 3.0 Oil Separators 3085D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Driver Side, Cadillac, Chevy, GMC, 5.3L, 6.2L, Kit

Part Number: JLT-3085D-B

4.77 out of 5 stars ( 22 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2011-2020 MUSTANG - 3011P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Ford, 5.0L, 5.2L, Kit

Part Number: JLT-3011P-B

4.5 out of 5 stars ( 6 )

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J&L Oil Separator Co. 3.0 Oil Separators 3061P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Chrysler, Dodge, 5.7L, Kit

Part Number: JLT-3061P-B

4.64 out of 5 stars ( 25 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2016-2024 CAMARO - 3081D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Driver Side, Chevy, 6.2L, Kit

Part Number: JLT-3081D-B

4.78 out of 5 stars ( 9 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2011-2025 DURANGO, 2011-2021 GRAND CHEROKEE - 3066P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Dodge, Jeep, 5.7L, Kit

Part Number: JLT-3066P-B

5.0 out of 5 stars ( 2 )

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J&L Oil Separator Co. 3.0 Oil Separators 3062P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Chrysler, Dodge, Jeep, 6.1L, Kit

Part Number: JLT-3062P-B

5.0 out of 5 stars ( 5 )

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J&L Oil Separator Co. 3.0 Oil Separators 3063P-C

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Passenger Side, Chrysler, Dodge, Jeep, 6.4L, Kit

Part Number: JLT-3063P-C

5.0 out of 5 stars ( 4 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2018-2021 EXPEDITION, 2011-2025 F-150 - 3016P-C

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Passenger Side, Ford, Kit

Part Number: JLT-3016P-C

4.5 out of 5 stars ( 12 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2018-2023 MUSTANG - 3024P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Ford, 5.0L, Kit

Part Number: JLT-3024P-B

4.91 out of 5 stars ( 11 )

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J&L Oil Separator Co. 3.0 Oil Separators 3098D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, Driver Side, Jeep, Ram, 3.0L, Kit

Part Number: JLT-3098D-B

Not Yet Reviewed

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J&L Oil Separator Co. 3.0 Oil Separators for 2007-2014 MUSTANG - 3012D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Driver Side, Ford, 5.4L, 5.8L, Kit

Part Number: JLT-3012D-B

5.0 out of 5 stars ( 1 )

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J&L Oil Separator Co. 3.0 Oil Separators for 1999-2004 MUSTANG - 3018D-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Driver Side, Ford, 4.6L, Kit

Part Number: JLT-3018D-B

5.0 out of 5 stars ( 1 )

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J&L Oil Separator Co. 3.0 Oil Separators 3060P-C

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Passenger Side, Dodge, Jeep, 6.2L, Kit

Part Number: JLT-3060P-C

4.79 out of 5 stars ( 14 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2011-2023 MUSTANG - 3030P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Ford, 5.0L, 5.2L, Kit

Part Number: JLT-3030P-B

Not Yet Reviewed

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J&L Oil Separator Co. 3.0 Oil Separators for 2007-2014 MUSTANG - 3012P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Ford, 5.4L, 5.8L, Kit

Part Number: JLT-3012P-B

5.0 out of 5 stars ( 4 )

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J&L Oil Separator Co. 3.0 Oil Separators 3084D-C

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Driver Side, Chevy, GMC, 4.8, 5.3, 6.0, 6.2L, Kit

Part Number: JLT-3084D-C

1.0 out of 5 stars ( 1 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2011-2018 1500, 2019-2021 1500 CLASSIC, 2009-2010 RAM 1500 - 3065P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Dodge, Ram, 5.7L, Kit

Part Number: JLT-3065P-B

4.67 out of 5 stars ( 3 )

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J&L Oil Separator Co. 3.0 Oil Separators for 2013-2019 EXPLORER - 3022P-B

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Black Anodized, 3/8 in. NPT Female Threads, Passenger Side, Ford, 3.5L, Kit

Part Number: JLT-3022P-B

4.43 out of 5 stars ( 7 )

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J&L Oil Separator Co. 3.0 Oil Separators 3085D-C

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Driver Side, Cadillac, Chevy, GMC, 5.3L, 6.2L, Kit

Part Number: JLT-3085D-C

5.0 out of 5 stars ( 1 )

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