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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.

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Results 1 - 25 of 1009

Summit Racing™ Breather Tanks SUM-300105

Summit Racing™ Breather Tanks SUM-300105

Summit Racing™ Breather Tanks SUM-300105

Oil Control Tank, Round, Aluminum, Polished, Breathers, Hose, Universal, Each

Part Number: SUM-300105

4.64 out of 5 stars ( 44 )

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

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

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

4.78 out of 5 stars ( 9 )

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Moroso Breather Tanks 85465

Moroso Breather Tanks 85465

Moroso Breather Tanks 85465

Oil Breather Tank, 1 qt., Round, Aluminum, Natural, Filtered Breather, Mounting Bracket, Petcock, Universal, Each

Part Number: MOR-85465

4.65 out of 5 stars ( 20 )

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Vibrant Performance Gen 3 Catch Cans 12761

Vibrant Performance Gen 3 Catch Cans 12761

Vibrant Performance Gen 3 Catch Cans 12761

Catch Can, Round, Aluminum, Black Anodized, 2-Port model, 4.40 in. Diameter, 8.25 in. Height, Each

Part Number: VPE-12761

Not Yet Reviewed

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Moroso PCV Air/Oil Separators 85474

Moroso PCV Air/Oil Separators 85474

Moroso PCV Air/Oil Separators 85474

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

Part Number: MOR-85474

4.76 out of 5 stars ( 45 )

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Corsa Oil Catch Cans CC0001

Corsa Oil Catch Cans CC0001

Corsa Oil Catch Cans CC0001

Oil Catch Can, Round, 3 oz., Aluminum, Black Anodized, Chevy, GMC, Kit

Part Number: CSE-CC0001

5.0 out of 5 stars ( 8 )

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Moroso Breather Tanks 85468

Moroso Breather Tanks 85468

Moroso Breather Tanks 85468

Oil Breather Tank, Aluminum, Natural, Dual -10 AN 180 Degrees Apart, Each

Part Number: MOR-85468

4.44 out of 5 stars ( 9 )

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Moroso Breather Tanks 85397

Moroso Breather Tanks 85397

Moroso Breather Tanks 85397

Oil Breather Tank, Compact, Round, 7 in. Tall, Aluminum, Black Anodized, Two -8 AN Male Fittings, Each

Part Number: MOR-85397

5.0 out of 5 stars ( 1 )

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Vibrant Performance Gen 3 Catch Cans 12760

Vibrant Performance Gen 3 Catch Cans 12760

Vibrant Performance Gen 3 Catch Cans 12760

Catch Can, Round, Aluminum, Black Anodized, 2-Port model, 4.40 in. Diameter, 4.93 in. Height, Each

Part Number: VPE-12760

5.0 out of 5 stars ( 1 )

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K&N Oil Catch Cans 81-0805

K&N Oil Catch Cans 81-0805

K&N Oil Catch Cans 81-0805

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

Part Number: KNN-81-0805

5.0 out of 5 stars ( 3 )

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

Made in the USA J&L Oil Separator Co. 3.0 Oil Separators 3063P-B

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

4.41 out of 5 stars ( 34 )

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

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

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 3016P-B

Made in the USA J&L Oil Separator Co. 3.0 Oil Separators 3016P-B

J&L Oil Separator Co. 3.0 Oil Separators 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

4.62 out of 5 stars ( 58 )

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Moroso Breather Tanks 85753

Moroso Breather Tanks 85753

Moroso Breather Tanks 85753

Oil Catch Can, Aluminum, Black Powdercoat, Round, 3 1/8 in. Diameter, 11.50 in. Height, Mounting Bracket Included, Each

Part Number: MOR-85753

5.0 out of 5 stars ( 1 )

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Moroso Breather Tanks 85391

Moroso Breather Tanks 85391

Moroso Breather Tanks 85391

Oil Breather Tank, Aluminum, Natural, Dual -16 AN Female Thread, Dual Breathers, Each

Part Number: MOR-85391

3.0 out of 5 stars ( 1 )

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

Made in the USA J&L Oil Separator Co. 3.0 Oil Separators 3060P-B

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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Ford Performance Parts Coyote Oil-Air Separator Kits M-6766-A50

Ford Performance Parts Coyote Oil-Air Separator Kits M-6766-A50

Ford Performance Parts Coyote Oil-Air Separator Kits M-6766-A50

Separator Tank, Coyote Oil-Air, Plastic, Black, Male Quick-connect, Ford, F-150, Mustang GT/Boss 302/GT350, 5.0L, 5.2L, Each

Part Number: FMS-M-6766-A50

4.87 out of 5 stars ( 62 )

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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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Moroso Breather Tanks 85751

Moroso Breather Tanks 85751

Moroso Breather Tanks 85751

Oil Catch Can, Aluminum, Black, Round, 3.13 in. Diameter, 11.50 in. Height, Each

Part Number: MOR-85751

5.0 out of 5 stars ( 2 )

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J&L Oil Separator Co. 3.0 Oil Separators 3080P-B

Made in the USA J&L Oil Separator Co. 3.0 Oil Separators 3080P-B

J&L Oil Separator Co. 3.0 Oil Separators 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

4.9 out of 5 stars ( 10 )

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K&N Oil Catch Cans 81-0800

K&N Oil Catch Cans 81-0800

K&N Oil Catch Cans 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 )

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Moroso PCV Air/Oil Separators 85497

Moroso PCV Air/Oil Separators 85497

Moroso PCV Air/Oil Separators 85497

Air, Oil, Separator Tank, Round, Aluminum, Black Anodized, Rubber Hose, Mounting Clamp, Kit

Part Number: MOR-85497

4.71 out of 5 stars ( 21 )

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Allstar Performance Breather Tanks ALL36109

Allstar Performance Breather Tanks ALL36109

Allstar Performance Breather Tanks ALL36109

Breather Tank, Round, Aluminum, Natural, 3 in. Diameter, 11.5 in. Tall, 3/8 NPT Bungs, Universal, Each

Part Number: AAF-ALL36109

4.77 out of 5 stars ( 30 )

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Moroso Dry Sump Breather Tanks 85475

Moroso Dry Sump Breather Tanks 85475

Moroso Dry Sump Breather Tanks 85475

Breather Tank, Dry Sump Breather, 1 qt., Round, Aluminum, Natural, Filtered Breather, Universal, Each

Part Number: MOR-85475

Not Yet Reviewed

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