Breathers & Adapters

Optimize crankcase ventilation with our high-quality breathers and adapters. Designed for proper airflow and contaminant reduction, they ensure engine efficiency and longevity.

Shop now for the perfect fit!

Aeroflow Performance 1-1/4" O.D With 3/4" I.D Suit PCV Valves Aeroflow Valve Cover Grommet AF1859-1001 SR
Aeroflow Air Filtration Breathers Adapters Breather Adapters Grommets
Aeroflow Performance Press in for Nissan Valve Covers with non-threaded hole, Black finish Aeroflow Breather Adapters -10AN AF708-10-01BLK SR
Aeroflow Air Filtration Breathers Adapters Breathers

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Aeroflow Air Filtration Breathers Adapters

123 products

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BF SALE!
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Aeroflow Performance Press in for Nissan Valve Covers with non-threaded hole, Black finish Aeroflow Breather Adapters -10AN AF708-10-01BLK SRAeroflow Performance Press in for Nissan Valve Covers with non-threaded hole, Black finish Aeroflow Breather Adapters -10AN AF708-10-01BLK SR
Aeroflow Performance Aeroflow Breather Adapters -10AN AF708-10-01BLK Breather Adapters -10AN Press in for Nissan Valve Covers with non-threaded hole, Black finish
SKU: AF708-10-01BLK
$11.90 NZD $14.04 NZD
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Aeroflow Performance Aeroflow Blue Push In Front Valve Cover Breather Adaptor -8AN (20mm O.D) Suit BA-FG Ford Falcon SRAeroflow Performance Aeroflow Silver Push In Front Valve Cover Breather Adaptor -8AN (20mm O.D) Suit BA-FG Ford Falcon SR
Aeroflow Performance Push In Front Valve Cover Breather Adaptor -8AN (20mm O.D) Suit BA-FG Ford Falcon Press In Front Valve Cover Breather Adapter -8AN Black (20mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08FBLK
From $8.94 NZD $11.06 NZD
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Aeroflow Performance Aeroflow Blue Push In Rear Valve Cover Breather Adaptor -8AN (19mm O.D) Suit BA-FG Ford Falcon SRAeroflow Performance Aeroflow Black Push In Rear Valve Cover Breather Adaptor -8AN (19mm O.D) Suit BA-FG Ford Falcon SR
Aeroflow Performance Push In Rear Valve Cover Breather Adaptor -8AN (19mm O.D) Suit BA-FG Ford Falcon Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08RBLK
From $8.69 NZD $10.73 NZD
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Aeroflow Performance Aeroflow Blue Breather Adapters -10AN Press in for Nissan Valve Covers with non-threaded hole, SRAeroflow Performance Aeroflow Black Breather Adapters -10AN Press in for Nissan Valve Covers with non-threaded hole, SR
Aeroflow Performance Breather Adapters -10AN Press in for Nissan Valve Covers with non-threaded hole, Breather Adapters -10AN Press in for Nissan Valve Covers with non-threaded hole, Black finish
SKU: AF708-10-01BLK
From $11.04 NZD $12.44 NZD
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Aeroflow Performance Air Filters AF2271-1340 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1340 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1340
$29.67 NZD $32.08 NZD
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Aeroflow Performance 1-1/4" O.D With 3/4" I.D Suit PCV Valves Aeroflow Valve Cover Grommet AF1859-1001 SRAeroflow Performance 1-1/4" O.D With 3/4" I.D Suit PCV Valves Aeroflow Valve Cover Grommet AF1859-1001 SR
Aeroflow Performance Aeroflow Valve Cover Grommet AF1859-1001 Valve Cover Grommet 1-1/4" O.D With 3/4" I.D Suit PCV Valves
SKU: AF1859-1001
$1.70 NZD $1.82 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1360 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1360 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1360 Black Clamp On Breather
SKU: AF2271-1360
$29.79 NZD $32.21 NZD
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Aeroflow Performance Air Filters AF2271-1360 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1360 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1360
$29.79 NZD $32.21 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1370 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1370 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1370 Black Clamp On Breather
SKU: AF2271-1370
$28.34 NZD $30.64 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1340 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1340 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1340 Black Clamp On Breather
SKU: AF2271-1340
$29.67 NZD $32.08 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1320 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1320 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1320 Black Clamp On Breather
SKU: AF2271-1320
$24.65 NZD $26.65 NZD
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Aeroflow Performance Air Filters AF2871-1340 Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (15.9mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2871-1340 Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (15.9mm) Flange Inside Diameter SR
Aeroflow Performance Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (15.9mm) Flange Inside Diameter Chrome Clamp On Breather
SKU: AF2871-1340
$32.10 NZD $34.72 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diam Aeroflow Chrome Clamp On Breather AF2871-1320 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diam Aeroflow Chrome Clamp On Breather AF2871-1320 SR
Aeroflow Performance Aeroflow Chrome Clamp On Breather AF2871-1320 Chrome Clamp On Breather
SKU: AF2871-1320
$16.24 NZD $17.56 NZD
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Aeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) AF708-08RBLK SRAeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) AF708-08RBLK SR
Aeroflow Performance Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) AF708-08RBLK Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08RBLK
$9.46 NZD $11.56 NZD
No reviews
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Aeroflow Performance 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet Aeroflow Black Push In Breather AF2271-1170 SRAeroflow Performance 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet Aeroflow Black Push In Breather AF2271-1170 SR
Aeroflow Performance Aeroflow Black Push In Breather AF2271-1170 Black Push In Breather 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet
SKU: AF2271-1170
$37.85 NZD $40.95 NZD
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Aeroflow Performance Push In, With 5/8" Spout Aeroflow Chrome Valve cover Breather AF1821-7001 SRAeroflow Performance Push In, With 5/8" Spout Aeroflow Chrome Valve cover Breather AF1821-7001 SR
Aeroflow Performance Aeroflow Chrome Valve cover Breather AF1821-7001 Chrome Valve cover Breather Push In, With 5/8" Spout
SKU: AF1821-7001
$16.43 NZD $17.54 NZD
No reviews
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Aeroflow Performance Aeroflow Silver Press In Cover Breather Adapter -10AN Suit Nissan RB26 SRAeroflow Performance Aeroflow Blue Press In Cover Breather Adapter -10AN Suit Nissan RB26 SR
Aeroflow Performance Press In Cover Breather Adapter -10AN Suit Nissan RB26 Press In Cover Breather Adapter - Black -10AN Suit Nissan RB26
SKU: AF708-10-03BLK
From $10.12 NZD $11.98 NZD
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Insid Aeroflow Black Clamp On Breather AF2271-1440 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Insid Aeroflow Black Clamp On Breather AF2271-1440 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1440 Black Clamp On Breather
SKU: AF2271-1440
$31.63 NZD $34.20 NZD
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Aeroflow Performance Black Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10BLK SRAeroflow Performance Black Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10BLK SR
Aeroflow Performance Aeroflow Bolt In Breather Bulkhead -10 AF777-10BLK Bolt In Breather Bulkhead -10 Black Finish
SKU: AF777-10BLK
$16.70 NZD $20.07 NZD
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Aeroflow Performance 1-1/4" O.D With 1" I.D Suit Push In Breathers Aeroflow Valve Cover Grommet AF1859-1000 SRAeroflow Performance 1-1/4" O.D With 1" I.D Suit Push In Breathers Aeroflow Valve Cover Grommet AF1859-1000 SR
Aeroflow Performance Aeroflow Valve Cover Grommet AF1859-1000 Valve Cover Grommet 1-1/4" O.D With 1" I.D Suit Push In Breathers
SKU: AF1859-1000
$3.71 NZD $3.80 NZD
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Aeroflow Performance Air Filters AF2271-1330 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1/2" (12.7mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1330 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1/2" (12.7mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1/2" (12.7mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1330
$29.27 NZD $31.65 NZD
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Aeroflow Performance Air Filters AF2271-1320 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1320 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1320
$24.65 NZD $26.65 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (15.9mm) Flange Inside Di Aeroflow Chrome Clamp On Breather AF2871-1340 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (15.9mm) Flange Inside Di Aeroflow Chrome Clamp On Breather AF2871-1340 SR
Aeroflow Performance Aeroflow Chrome Clamp On Breather AF2871-1340 Chrome Clamp On Breather
SKU: AF2871-1340
$32.10 NZD $34.72 NZD
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Aeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -6AN Female Thread AF77-2003BLK SRAeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -6AN Female Thread AF77-2003BLK SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -6AN Female Thread AF77-2003BLK Stainless Steel Billet Breather with -6AN Female Thread Black Finish
SKU: AF77-2003BLK
$46.92 NZD $56.21 NZD
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Breathers & Adapters

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Aeroflow Performance Press in for Nissan Valve Covers with non-threaded hole, Black finish Aeroflow Breather Adapters -10AN AF708-10-01BLK SRAeroflow Performance Press in for Nissan Valve Covers with non-threaded hole, Black finish Aeroflow Breather Adapters -10AN AF708-10-01BLK SR
Aeroflow Performance Aeroflow Breather Adapters -10AN AF708-10-01BLK Breather Adapters -10AN Press in for Nissan Valve Covers with non-threaded hole, Black finish
SKU: AF708-10-01BLK
$11.90 NZD $14.04 NZD
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Aeroflow Performance 1-1/4" O.D With 3/4" I.D Suit PCV Valves Aeroflow Valve Cover Grommet AF1859-1001 SRAeroflow Performance 1-1/4" O.D With 3/4" I.D Suit PCV Valves Aeroflow Valve Cover Grommet AF1859-1001 SR
Aeroflow Performance Aeroflow Valve Cover Grommet AF1859-1001 Valve Cover Grommet 1-1/4" O.D With 3/4" I.D Suit PCV Valves
SKU: AF1859-1001
$1.70 NZD $1.82 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1360 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1360 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1360 Black Clamp On Breather
SKU: AF2271-1360
$29.79 NZD $32.21 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1370 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1370 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1370 Black Clamp On Breather
SKU: AF2271-1370
$28.34 NZD $30.64 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1340 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 5/8" (16mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1340 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1340 Black Clamp On Breather
SKU: AF2271-1340
$29.67 NZD $32.08 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1320 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/8" (10mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1320 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1320 Black Clamp On Breather
SKU: AF2271-1320
$24.65 NZD $26.65 NZD
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Aeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) AF708-08RBLK SRAeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) AF708-08RBLK SR
Aeroflow Performance Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) AF708-08RBLK Press In Rear Valve Cover Breather Adapter -8AN Black (19mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08RBLK
$9.46 NZD $11.56 NZD
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Aeroflow Performance 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet Aeroflow Black Push In Breather AF2271-1170 SRAeroflow Performance 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet Aeroflow Black Push In Breather AF2271-1170 SR
Aeroflow Performance Aeroflow Black Push In Breather AF2271-1170 Black Push In Breather 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet
SKU: AF2271-1170
$37.85 NZD $40.95 NZD
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Aeroflow Performance Push In, With 5/8" Spout Aeroflow Chrome Valve cover Breather AF1821-7001 SRAeroflow Performance Push In, With 5/8" Spout Aeroflow Chrome Valve cover Breather AF1821-7001 SR
Aeroflow Performance Aeroflow Chrome Valve cover Breather AF1821-7001 Chrome Valve cover Breather Push In, With 5/8" Spout
SKU: AF1821-7001
$16.43 NZD $17.54 NZD
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EDELBROCK Round Breather Black Finish Edelbrock Signature Series Valve Cover Breathers ED4403 SREDELBROCK Round Breather Black Finish Edelbrock Signature Series Valve Cover Breathers ED4403 SR
EDELBROCK Edelbrock Signature Series Valve Cover Breathers ED4403 ED4403 - BLACK VALVE COVER BREATHER PUS
SKU: ED4403
$26.24 NZD $29.73 NZD
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Insid Aeroflow Black Clamp On Breather AF2271-1440 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Insid Aeroflow Black Clamp On Breather AF2271-1440 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1440 Black Clamp On Breather
SKU: AF2271-1440
$31.63 NZD $34.20 NZD
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Aeroflow Performance Black Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10BLK SRAeroflow Performance Black Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10BLK SR
Aeroflow Performance Aeroflow Bolt In Breather Bulkhead -10 AF777-10BLK Bolt In Breather Bulkhead -10 Black Finish
SKU: AF777-10BLK
$16.70 NZD $20.07 NZD
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