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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.

Showing In Stock Items. Show All 11 Items.

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Allstar Performance Mini Breather Tanks ALL36142

Allstar Performance Mini Breather Tanks ALL36142

Allstar Performance Mini Breather Tanks ALL36142

Oil Breather Tank, Round, Aluminum, Natural, Universal, Flat Mount, Each

Part Number: AAF-ALL36142

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Canton Racing Breather Tanks 23-032

Made in the USA Canton Racing Breather Tanks 23-032

Canton Racing Breather Tanks 23-032

Overflow Tank, 16 oz., Round, Aluminum, Natural, 3/8 in. NPT Inlet, Universal, Kit

Part Number: CTR-23-032

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Allstar Performance Mini Breather Tanks ALL36140

Allstar Performance Mini Breather Tanks ALL36140

Allstar Performance Mini Breather Tanks ALL36140

Oil Breather Tank, Round, Aluminum, Natural, Universal, Each

Part Number: AAF-ALL36140

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Allstar Performance Mini Breather Tanks ALL36141

Allstar Performance Mini Breather Tanks ALL36141

Allstar Performance Mini Breather Tanks ALL36141

Oil Breather Tank, Round, Aluminum, Natural, Universal, Each

Part Number: AAF-ALL36141

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Canton Racing Breather Tanks 23-033

Made in the USA Canton Racing Breather Tanks 23-033

Canton Racing Breather Tanks 23-033

Overflow Tank, 1.5 qt., Round, Aluminum, Natural, -12 in. NPT Inlet, Universal, Kit

Part Number: CTR-23-033

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Canton Racing Breather Tanks 23-031

Made in the USA Canton Racing Breather Tanks 23-031

Canton Racing Breather Tanks 23-031

Overflow Tank, 24 oz., Round, Aluminum, Natural, -12 AN Inlet, Universal, Kit

Part Number: CTR-23-031

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

Canton Racing Breather Tanks 23-030

Made in the USA Canton Racing Breather Tanks 23-030

Canton Racing Breather Tanks 23-030

Overflow Tank, 24 oz., Round, Aluminum, Natural, 3/8 in. NPT Inlet, Universal, Kit

Part Number: CTR-23-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

Canton Racing Breather Tanks 23-036

Made in the USA Canton Racing Breather Tanks 23-036

Canton Racing Breather Tanks 23-036

Overflow Tank, 24 oz., Round, Aluminum, Natural, 1.50 in. Inlet, Universal, Kit

Part Number: CTR-23-036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 16, 2025 if ordered today

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Estimated Ship Date: Dec 16, 2025 if ordered today

APR Catch Cans MS100125

APR Catch Cans MS100125

APR Catch Cans MS100125

Oil Catch Cans, Round, Aluminum, Black, for Lamborghini, Audi, Bentley, Porsche, Volkswagen, Kit

Part Number: AXR-MS100125

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

APR Oil Catch Cans MS100218

APR Oil Catch Cans MS100218

APR Oil Catch Cans MS100218

APR Universal Catch Can

Part Number: AXR-MS100218

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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Estimated Ship Date: Dec 19, 2025 if ordered today

This product may not be eligible for select promotional offers

URO Parts - Oil Catch Cans for 2007-2010 Q7, 2007-2009 TOUAREG - 079103464D

URO Parts - Oil Catch Cans for 2007-2010 Q7, 2007-2009 TOUAREG - 079103464D

URO Parts - Oil Catch Cans for 2007-2010 Q7, 2007-2009 TOUAREG - 079103464D

Oil Separator, Volkswagen Touareg, Audi Q7

Part Number: URO-013437

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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