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Oil Catch Cans & Breather Tanks

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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

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 regularly, while others are plumbed to return the oil to the crankcase.

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.

Individual Parts
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Results 1 - 25 of 984

Improved Racing CCS Oil Catch Can Kits CCS-GM-101

Made in the USA Improved Racing CCS Oil Catch Can Kits CCS-GM-101

Improved Racing CCS Oil Catch Can Kits CCS-GM-101

Oil Catch Can, CCS, 7 oz., Oil Separator, Recirculating, Aluminum, Black, Round, Buick, Chevy, Cadillac, Pontiac, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Kit

Part Number: IRP-CCS-GM-101

5.0 out of 5 stars ( 1 )

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K&N Oil Catch Cans for 2011-2023 F-150 - 81-0800

K&N Oil Catch Cans for 2011-2023 F-150 - 81-0800

K&N Oil Catch Cans for 2011-2023 F-150 - 81-0800

Oil Catch Can, Round, Aluminum, Black, 6.0 oz. Capacity, Ford, Kit

Part Number: KNN-81-0800

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Vibrant Performance Gen 3 Catch Cans 12765

Vibrant Performance Gen 3 Catch Cans 12765

Vibrant Performance Gen 3 Catch Cans 12765

Catch Can, Round, Aluminum, Black Anodized, 4-Port model, 4.40 in. Diameter, 4.93 in. Height, Each

Part Number: VPE-12765

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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K&N Oil Catch Cans 81-0804

K&N Oil Catch Cans 81-0804

K&N Oil Catch Cans 81-0804

Oil Catch Can, Round, Aluminum, Black, 6.0 oz. Capacity, Cadillac, Chevy, GMC, Kit

Part Number: KNN-81-0804

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Moroso Breather Tanks 85466

Moroso Breather Tanks 85466

Moroso Breather Tanks 85466

Oil Breather Tank, 2.5 qt., Round, Aluminum, Natural, Filtered Breather, Universal, Each

Part Number: MOR-85466

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Moroso Vacuum Pump Air/Oil Separators 85495

Moroso Vacuum Pump Air/Oil Separators 85495

Moroso Vacuum Pump Air/Oil Separators 85495

Air, Oil, Separator Tank, Round, Aluminum, Natural, Male Fittings, -12AN, Mounting Clamp, Kit

Part Number: MOR-85495

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Buy an Air Oil Separator and get a pair of Mechanics Gloves!

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

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

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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Radium Engineering Universal Catch Cans 20-0072

Radium Engineering Universal Catch Cans 20-0072

Radium Engineering Universal Catch Cans 20-0072

Oil Catch Can, Universal Catch Can, Round, 20 oz. Capacity, Aluminum, Black, Kit

Part Number: RDM-20-0072

Not Yet Reviewed

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Moroso Breather Tanks 85461

Moroso Breather Tanks 85461

Moroso Breather Tanks 85461

Breather Tank, Round, Aluminum, Natural, 1 qt. Capacity, -12 AN Male Threads Inlet, Each

Part Number: MOR-85461

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Moroso PCV Air/Oil Separators 85496

Moroso PCV Air/Oil Separators 85496

Moroso PCV Air/Oil Separators 85496

Air, Oil, Separator Tank, Round, Aluminum, Natural, Mounting Clamp, Kit

Part Number: MOR-85496

4.6 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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Buy an Air Oil Separator and get a pair of Mechanics Gloves!

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K&N Oil Catch Cans for 2016-2023 CAMARO - 81-0807

K&N Oil Catch Cans for 2016-2023 CAMARO - 81-0807

K&N Oil Catch Cans for 2016-2023 CAMARO - 81-0807

Oil Catch Can, Round, Aluminum, Black, 6.0 oz. Capacity, Chevy, Kit

Part Number: KNN-81-0807

Not Yet Reviewed

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Jaz Products Breather Tanks 605-375-01

Made in the USA Jaz Products Breather Tanks 605-375-01

Jaz Products Breather Tanks 605-375-01

Breather Tank, 1 pt., Round, Polyethylene, Black, 3/8 in. Hose Barb Inlet, Universal, Each

Part Number: JZP-605-375-01

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Vibrant Performance Gen 3 Catch Cans 12767

Vibrant Performance Gen 3 Catch Cans 12767

Vibrant Performance Gen 3 Catch Cans 12767

Catch Can, Round, Aluminum, Black Anodized, 4-Port model, 4.40 in. Diameter, 10.47 in. Height, Each

Part Number: VPE-12767

Not Yet Reviewed

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J&L Oil Separator Co. 3.0 Oil Separators 3001-B

Made in the USA J&L Oil Separator Co. 3.0 Oil Separators 3001-B

J&L Oil Separator Co. 3.0 Oil Separators 3001-B

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

Part Number: JLT-3001-B

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Moroso Breather Tanks 85402

Moroso Breather Tanks 85402

Moroso Breather Tanks 85402

Oil Breather Tank, Dry Sump Breather, 1 qt., Round, Polyethylene, Black, -10 AN Inlet, Universal, Each

Part Number: MOR-85402

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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

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

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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Moroso PCV Air/Oil Separators for 1997-2004 CORVETTE - 85516

Moroso PCV Air/Oil Separators for 1997-2004 CORVETTE - 85516

Moroso PCV Air/Oil Separators for 1997-2004 CORVETTE - 85516

Air, Oil, Separator Tank, Aluminum, Polished, 2.875 in. Diameter, 4.5 in. Height, Chevy, Kit

Part Number: MOR-85516

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Special Offer

Buy an Air Oil Separator and get a pair of Mechanics Gloves!

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Mishimoto Baffled Oil Catch Cans for 2016-2024 CAMARO - MMBCC-CAM8-16PBE

Mishimoto Baffled Oil Catch Cans for 2016-2024 CAMARO - MMBCC-CAM8-16PBE

Mishimoto Baffled Oil Catch Cans for 2016-2024 CAMARO - MMBCC-CAM8-16PBE

Oil Catch Can, Baffled, Round, Aluminum, Black Anodized, Black Silicone Hoses, Chevy, 6.2L, Kit

Part Number: MIO-MMBCCCAM816P

4.35 out of 5 stars ( 20 )

Estimated Ship Date: Tomorrow

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

Made in the USA J&L Oil Separator Co. 3.0 Oil Separators for 1999-2004 MUSTANG - 3018P-B

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

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

Part Number: JLT-3018P-B

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Moroso PCV Air/Oil Separators for 2005-2013 CORVETTE - 85521

Moroso PCV Air/Oil Separators for 2005-2013 CORVETTE - 85521

Moroso PCV Air/Oil Separators for 2005-2013 CORVETTE - 85521

Separator Tank, PCV Air/Oil Separator, Round, Aluminum, Polished, Chevy, Kit

Part Number: MOR-85521

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Special Offer

Buy an Air Oil Separator and get a pair of Mechanics Gloves!

Estimated Ship Date: Tomorrow

Moroso PCV Air/Oil Separators for 2009-2014 CTS - 85603

Moroso PCV Air/Oil Separators for 2009-2014 CTS - 85603

Moroso PCV Air/Oil Separators for 2009-2014 CTS - 85603

Air, Oil, Separator Tank, Aluminum, Black Anodized, Cadillac, CTS-V, Kit

Part Number: MOR-85603

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Special Offer

Buy an Air Oil Separator and get a pair of Mechanics Gloves!

Estimated Ship Date: Tomorrow

Moroso Breather Tanks 85500

Moroso Breather Tanks 85500

Moroso Breather Tanks 85500

Oil Breather Tank, Vacuum/Dry Sump Breather, 1 qt., Round, Aluminum, Natural, Universal, Each

Part Number: MOR-85500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Moroso PCV Air/Oil Separators 85472

Moroso PCV Air/Oil Separators 85472

Moroso PCV Air/Oil Separators 85472

Air, Oil, Separator Tank, Aluminum, Polished, 3 in. Diameter, 4 in. Height, Chrysler, Dodge, Kit

Part Number: MOR-85472

4.7 out of 5 stars ( 30 )

Estimated Ship Date: Tomorrow

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Special Offer

Buy an Air Oil Separator and get a pair of Mechanics Gloves!

Estimated Ship Date: Tomorrow

Moroso PCV Air/Oil Separators 85683

Moroso PCV Air/Oil Separators 85683

Moroso PCV Air/Oil Separators 85683

Separator Tank, PCV Air/Oil Separator, Round, Aluminum, Black Anodized, Clear Base, Small Body Separator Tank, Kit

Part Number: MOR-85683

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Special Offer

Buy an Air Oil Separator and get a pair of Mechanics Gloves!

Estimated Ship Date: Tomorrow

Ford Performance Parts Coyote Oil-Air Separator Kits for 2024 MUSTANG - M-6766-A50D

Ford Performance Parts Coyote Oil-Air Separator Kits for 2024 MUSTANG - M-6766-A50D

Ford Performance Parts Coyote Oil-Air Separator Kits for 2024 MUSTANG - M-6766-A50D

Separator Tank, Coyote Dual Oil-Air, Plastic, Black, Male Quick-connect, Ford, 5.0L, Each

Part Number: FMS-M-6766-A50D

Not Yet Reviewed

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