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 Breathers

121 products

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Aeroflow Performance Push In, No Spout Aeroflow Black Valve cover Breather AF1822-7000 SRAeroflow Performance Push In, No Spout Aeroflow Black Valve cover Breather AF1822-7000 SR
Aeroflow Performance Aeroflow Black Valve cover Breather AF1822-7000 Black Valve cover Breather Push In, No Spout
SKU: AF1822-7000
$14.01 NZD $14.96 NZD
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Aeroflow Performance Push In, With 5/8" Spout Aeroflow Black Valve cover Breather AF1822-7001 SRAeroflow Performance Push In, With 5/8" Spout Aeroflow Black Valve cover Breather AF1822-7001 SR
Aeroflow Performance Aeroflow Black Valve cover Breather AF1822-7001 Black Valve cover Breather Push In, With 5/8" Spout
SKU: AF1822-7001
$18.28 NZD $19.62 NZD
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Aeroflow Performance Aeroflow Black Oil Fill Cap Breather Suit GM LS SRAeroflow Performance Aeroflow Black Oil Fill Cap Breather Suit GM LS SR
Aeroflow Performance Oil Fill Cap Breather Suit GM LS Oil Fill Cap Breather Suit GMLS
SKU: AF708-10-10BLK
$44.84 NZD $57.34 NZD
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Aeroflow Performance Air Filters AF2271-1514 Black Clamp On Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1514 Black Clamp On Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Inside Diameter Black Clamp On Breather With Black Shield
SKU: AF2271-1514
$26.38 NZD $28.51 NZD
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Aeroflow Performance Air Filters AF2271-1420 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/4" (57mm) High, 1" (25.4mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1420 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/4" (57mm) High, 1" (25.4mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/4" (57mm) High, 1" (25.4mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1420
$31.68 NZD $34.25 NZD
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Insi Aeroflow Chrome Clamp On Breather AF2871-1390 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Insi Aeroflow Chrome Clamp On Breather AF2871-1390 SR
Aeroflow Performance Aeroflow Chrome Clamp On Breather AF2871-1390 Chrome Clamp On Breather
SKU: AF2871-1390
$23.34 NZD $25.24 NZD
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Insid Aeroflow Black Clamp On Breather AF2271-1460 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Insid Aeroflow Black Clamp On Breather AF2271-1460 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1460 Black Clamp On Breather
SKU: AF2271-1460
$34.27 NZD $37.07 NZD
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Aeroflow Performance Aeroflow Blue Breather Adapters -10AN Screw in for Nissan Valve Covers with threaded hole SRAeroflow Performance Aeroflow Silver Breather Adapters -10AN Screw in for Nissan Valve Covers with threaded hole SR
Aeroflow Performance Breather Adapters -10AN Screw in for Nissan Valve Covers with threaded hole Breather Adapters -10AN Screw in for Nissan Valve Covers with threaded hole, Black finish
SKU: AF708-10-M19BLK
From $10.14 NZD $12.58 NZD
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Aeroflow Performance Air Filters AF2271-1370 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1370 Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1" (25.4mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1370
$28.34 NZD $30.64 NZD
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Aeroflow Performance Air Filters AF2271-1440 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1440 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1440
$31.63 NZD $34.20 NZD
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Aeroflow Performance Air Filters AF2871-1520 Chrome Push In Breather With Chrome Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1" (25.4mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2871-1320 Chrome Push In Breather With Chrome Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1" (25.4mm) Flange Inside Diameter SR
Aeroflow Performance Chrome Push In Breather With Chrome Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1" (25.4mm) Flange Inside Diameter Chrome Clamp On Breather
SKU: AF2871-1320
From $16.24 NZD $17.56 NZD
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Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19.05mm) Flange Inside D Aeroflow Chrome Clamp On Breather AF2871-1360 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19.05mm) Flange Inside D Aeroflow Chrome Clamp On Breather AF2871-1360 SR
Aeroflow Performance Aeroflow Chrome Clamp On Breather AF2871-1360 Chrome Clamp On Breather
SKU: AF2871-1360
$27.05 NZD $29.24 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 With Black Shield AF2271-1513 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 With Black Shield AF2271-1513 SR
Aeroflow Performance Aeroflow Black Clamp On Breather With Black Shield AF2271-1513 Black Clamp On Breather With Black Shield
SKU: AF2271-1513
$36.51 NZD $39.49 NZD
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Insid Aeroflow Black Clamp On Breather With Black Shield AF2271-1514 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Insid Aeroflow Black Clamp On Breather With Black Shield AF2271-1514 SR
Aeroflow Performance Aeroflow Black Clamp On Breather With Black Shield AF2271-1514 Black Clamp On Breather With Black Shield
SKU: AF2271-1514
$26.38 NZD $28.51 NZD
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Insi Aeroflow Black Push In Breather AF2271-1490 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Insi Aeroflow Black Push In Breather AF2271-1490 SR
Aeroflow Performance Aeroflow Black Push In Breather AF2271-1490 Black Push In Breather
SKU: AF2271-1490
$33.54 NZD $36.28 NZD
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Aeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -8AN Female Thread AF77-2002BLK SRAeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -8AN Female Thread AF77-2002BLK SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -8AN Female Thread AF77-2002BLK Stainless Steel Billet Breather with -8AN Female Thread Black Finish
SKU: AF77-2002BLK
$51.16 NZD $61.58 NZD
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Aeroflow Performance Screw in for Nissan Valve Covers with threaded hole, Black finish Aeroflow Breather Adapters -10AN AF708-10-M19BLK SRAeroflow Performance Screw in for Nissan Valve Covers with threaded hole, Black finish Aeroflow Breather Adapters -10AN AF708-10-M19BLK SR
Aeroflow Performance Aeroflow Breather Adapters -10AN AF708-10-M19BLK Breather Adapters -10AN Screw in for Nissan Valve Covers with threaded hole, Black finish
SKU: AF708-10-M19BLK
$11.75 NZD $14.36 NZD
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Aeroflow Performance Push In, No Spout Aeroflow Chrome Valve cover Breather AF1821-7000 SRAeroflow Performance Push In, No Spout Aeroflow Chrome Valve cover Breather AF1821-7000 SR
Aeroflow Performance Aeroflow Chrome Valve cover Breather AF1821-7000 Chrome Valve cover Breather Push In, No Spout
SKU: AF1821-7000
$15.37 NZD $16.50 NZD
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Aeroflow Performance Aeroflow Black Oil Fill/Breather Cap Black Finish. Suits Ford 4.0L 'Barra' 6 Cylinder Engine SRAeroflow Performance Aeroflow Black Oil Fill/Breather Cap Black Finish. Suits Ford 4.0L 'Barra' 6 Cylinder Engine SR
Aeroflow Performance Oil Fill/Breather Cap Black Finish. Suits Ford 4.0L 'Barra' 6 Cylinder Engine Oil Fill/Breather Cap Black Finish. Suits Ford 4.0L 'Barra' 6 Cylinder Engine
SKU: AF708-10-12BLK
$30.68 NZD $39.35 NZD
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Aeroflow Performance Air Filters AF2271-1390 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1390 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1390
$31.48 NZD $34.03 NZD
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Aeroflow Performance Air Filters AF2271-1170 Black Push In Breather 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet SRAeroflow Performance Air Filters AF2271-1170 Black Push In Breather 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet SR
Aeroflow Performance Black Push In Breather 3" (76mm) O.D. x 2" (50.8mm) High, fits 1" (25.4mm) diameter grommet 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 Air Filters AF2271-2480 Black Clamp On Breather 1-3/8" (34mm) O.D. x 1-1/8" (28.5mm) High, 9/16" (14.2mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-2480 Black Clamp On Breather 1-3/8" (34mm) O.D. x 1-1/8" (28.5mm) High, 9/16" (14.2mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 1-3/8" (34mm) O.D. x 1-1/8" (28.5mm) High, 9/16" (14.2mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-2480
$28.93 NZD $31.28 NZD
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Aeroflow Performance Air Filters AF2271-1516 Black Push In Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.7mm)Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1516 Black Push In Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.7mm)Flange Inside Diameter SR
Aeroflow Performance Black Push In Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.7mm)Flange Inside Diameter Black Push In Breather With Black Shield
SKU: AF2271-1516
$38.07 NZD $41.17 NZD
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Aeroflow Performance Air Filters AF2271-1460 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1460 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1460
$34.27 NZD $37.07 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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