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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

Part Groups

Results 1 - 9 of 9

Standard Motor Engine Oil Separators for 2000-2006 X5 - V611

Standard Motor Engine Oil Separators for 2000-2006 X5 - V611

Standard Motor Engine Oil Separators for 2000-2006 X5 - V611

Engine Oil Separator

Part Number: SMP-V611

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators V612

Standard Motor Engine Oil Separators V612

Standard Motor Engine Oil Separators V612

Engine Oil Separator

Part Number: SMP-V612

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators V613

Standard Motor Engine Oil Separators V613

Standard Motor Engine Oil Separators V613

Engine Oil Separator

Part Number: SMP-V613

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators for 2000-2003 X5 - V614

Standard Motor Engine Oil Separators for 2000-2003 X5 - V614

Standard Motor Engine Oil Separators for 2000-2003 X5 - V614

Engine Oil Separator

Part Number: SMP-V614

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators V616

Standard Motor Engine Oil Separators V616

Standard Motor Engine Oil Separators V616

Engine Oil Separator

Part Number: SMP-V616

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators V619

Standard Motor Engine Oil Separators V619

Standard Motor Engine Oil Separators V619

Engine Oil Separator

Part Number: SMP-V619

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators for 1995-2001 750IL, 1995-1997 850CI - V610

Standard Motor Engine Oil Separators for 1995-2001 750IL, 1995-1997 850CI - V610

Standard Motor Engine Oil Separators for 1995-2001 750IL, 1995-1997 850CI - V610

Engine Oil Separator

Part Number: SMP-V610

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators V618

Standard Motor Engine Oil Separators V618

Standard Motor Engine Oil Separators V618

Engine Oil Separator

Part Number: SMP-V618

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Standard Motor Engine Oil Separators V615

Standard Motor Engine Oil Separators V615

Standard Motor Engine Oil Separators V615

Engine Oil Separator

Part Number: SMP-V615

Not Yet Reviewed

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