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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Showing 49 - 72 of 121 products
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Aeroflow Performance Air Filters AF2871-1330 Chrome 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 AF2871-1330 Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1/2" (12.7mm) Flange Inside Diameter SR
Aeroflow Performance Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1/2" (12.7mm) Flange Inside Diameter Chrome Clamp On Breather
SKU: AF2871-1330
$27.60 NZD $29.84 NZD
No reviews
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Aeroflow Performance Valve Covers AF1821-7000 Chrome Valve cover Breather Push In, No Spout SRAeroflow Performance Valve Covers AF1821-7000 Chrome Valve cover Breather Push In, No Spout SR
Aeroflow Performance Chrome Valve cover Breather Push In, No Spout Chrome Valve cover Breather Push In, No Spout
SKU: AF1821-7000
$15.37 NZD $16.50 NZD
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Aeroflow Performance Connect AN fitting to Rocker Covers with a rubber grommet, Silver Fin Aeroflow Push In Valve Cover Breather Adapter -12AN AF77-2012 SRAeroflow Performance Connect AN fitting to Rocker Covers with a rubber grommet, Silver Fin Aeroflow Push In Valve Cover Breather Adapter -12AN AF77-2012 SR
Aeroflow Performance Aeroflow Push In Valve Cover Breather Adapter -12AN AF77-2012 Push In Valve Cover Breather Adapter -12AN
SKU: AF77-2012
$13.84 NZD $16.97 NZD
No reviews
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Aeroflow Performance 1-3/8" (34mm) O.D. x 1-1/8" (28.5mm) High, 9/16" (14.2mm) Flange Insi Aeroflow Chrome Clamp On Breather AF2871-2480 SRAeroflow Performance 1-3/8" (34mm) O.D. x 1-1/8" (28.5mm) High, 9/16" (14.2mm) Flange Insi Aeroflow Chrome Clamp On Breather AF2871-2480 SR
Aeroflow Performance Aeroflow Chrome Clamp On Breather AF2871-2480 Chrome Clamp On Breather
SKU: AF2871-2480
$14.30 NZD $15.44 NZD
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1" (25.4mm) Flange Inside Di Aeroflow Chrome Push In Breather With Chrome Shield AF2871-1520 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1" (25.4mm) Flange Inside Di Aeroflow Chrome Push In Breather With Chrome Shield AF2871-1520 SR
Aeroflow Performance Aeroflow Chrome Push In Breather With Chrome Shield AF2871-1520 Chrome Push In Breather With Chrome Shield
SKU: AF2871-1520
$23.03 NZD $24.91 NZD
No reviews
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (25mm) Flange Inside Aeroflow Chrome Push In Breather With Chrome Shield AF2871-1516 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (25mm) Flange Inside Aeroflow Chrome Push In Breather With Chrome Shield AF2871-1516 SR
Aeroflow Performance Aeroflow Chrome Push In Breather With Chrome Shield AF2871-1516 Chrome Push In Breather With Chrome Shield
SKU: AF2871-1516
$24.64 NZD $26.63 NZD
No reviews
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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 Chrome Clamp On Breather AF2871-1460 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/2" (38.1mm) Flange Insid Aeroflow Chrome Clamp On Breather AF2871-1460 SR
Aeroflow Performance Aeroflow Chrome Clamp On Breather AF2871-1460 Chrome Clamp On Breather
SKU: AF2871-1460
$29.53 NZD $31.93 NZD
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Aeroflow Performance Silver Finish Aeroflow Bolt In Breather Bulkhead -12 AF777-12S SRAeroflow Performance Silver Finish Aeroflow Bolt In Breather Bulkhead -12 AF777-12S SR
Aeroflow Performance Aeroflow Bolt In Breather Bulkhead -12 AF777-12S Bolt In Breather Bulkhead -12 Silver Finish
SKU: AF777-12S
$25.75 NZD $28.28 NZD
No reviews
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Aeroflow Performance Silver Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10S SRAeroflow Performance Silver Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10S SR
Aeroflow Performance Aeroflow Bolt In Breather Bulkhead -10 AF777-10S Bolt In Breather Bulkhead -10 Silver Finish
SKU: AF777-10S
$16.86 NZD $20.43 NZD
No reviews
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Aeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -8AN Female Thread AF77-2002 SRAeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -8AN Female Thread AF77-2002 SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -8AN Female Thread AF77-2002 Stainless Steel Billet Breather with -8AN Female Thread Polished Finish
SKU: AF77-2002
$50.41 NZD $54.18 NZD
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Aeroflow Performance Screw in for Nissan Valve Covers with threaded hole, Silver finish Aeroflow Breather Adapters -10AN AF708-10-M19S SRAeroflow Performance Screw in for Nissan Valve Covers with threaded hole, Silver finish Aeroflow Breather Adapters -10AN AF708-10-M19S SR
Aeroflow Performance Aeroflow Breather Adapters -10AN AF708-10-M19S Breather Adapters -10AN Screw in for Nissan Valve Covers with threaded hole, Silver finish
SKU: AF708-10-M19S
$10.41 NZD $12.77 NZD
No reviews
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Aeroflow Performance Suit GM LS Aeroflow Oil Fill Cap Breather AF708-10-10BLK SRAeroflow Performance Suit GM LS Aeroflow Oil Fill Cap Breather AF708-10-10BLK SR
Aeroflow Performance Aeroflow Oil Fill Cap Breather AF708-10-10BLK Oil Fill Cap Breather Suit GMLS
SKU: AF708-10-10BLK
$44.84 NZD $57.34 NZD
No reviews
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Aeroflow Performance -10AN BREATHER PUSH IN TO GROM (AF77-2010) SR
Aeroflow Performance -10AN BREATHER PUSH IN TO GROM (AF77-2010) Aeroflow Push In Valve Cover Breather Adapter -10AN
Connect AN fitting to Rocker Covers with a rubber grommet, Silver Finish
SKU: AF77-2010
$13.69 NZD $16.16 NZD
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Aeroflow Performance -10AN BREATHER PUSH IN TO GROM (AF77-2010BLK) SRAeroflow Performance -10AN BREATHER PUSH IN TO GROM (AF77-2010BLK) SR
Aeroflow Performance -10AN BREATHER PUSH IN TO GROM (AF77-2010BLK) Aeroflow Push In Valve Cover Breather Adapter -12AN
Connect AN fitting to Rocker Covers with a rubber grommet, Black Finish
SKU: AF77-2010BLK
$18.19 NZD $21.66 NZD
No reviews
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Aeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16BLK) SRAeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16BLK) SR
Aeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16BLK) Bolt In Breather Bulkhead -16
Black Finish
SKU: AF777-16BLK
$31.24 NZD $36.86 NZD
No reviews
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Aeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16) SRAeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16) SR
Aeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16) Bolt In Breather Bulkhead -16
Blue Finish
SKU: AF777-16
$31.46 NZD $37.14 NZD
No reviews
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Aeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16S) SRAeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16S) SR
Aeroflow Performance BOLT IN -16AN BREATHER CAST OR (AF777-16S) Bolt In Breather Bulkhead -16
Silver Finish
SKU: AF777-16S
$30.42 NZD $35.91 NZD
No reviews
BF SALE!
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Aeroflow Performance Aeroflow Blue Press In Cover Breather Adapter -12AN Suit Nissan RB26 SRAeroflow Performance Aeroflow Silver Press In Cover Breather Adapter -12AN Suit Nissan RB26 SR
Aeroflow Performance Press In Cover Breather Adapter -12AN Suit Nissan RB26 Press In Cover Breather Adapter - Black -12AN Suit Nissan RB26
SKU: AF708-12-03BLK
From $12.51 NZD $14.85 NZD
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Aeroflow Performance Air Filters AF2271-1520 Black Push In Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1" (25.4mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1520 Black Push In Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1" (25.4mm) 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" (25.4mm) Flange Inside Diameter Black Push In Breather With Black Shield
SKU: AF2271-1520
$43.33 NZD $46.86 NZD
No reviews
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Aeroflow Performance Air Filters AF2271-1480 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/4" (44.45mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1480 Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/4" (44.45mm) Flange Inside Diameter SR
Aeroflow Performance Black Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/4" (44.45mm) Flange Inside Diameter Black Clamp On Breather
SKU: AF2271-1480
$31.94 NZD $34.54 NZD
No reviews
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Aeroflow Performance Air Filters AF2871-1480 Chrome Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/4" (44.45mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2871-1490 Chrome Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/4" (44.45mm) Flange Inside Diameter SR
Aeroflow Performance Chrome Clamp On Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/4" (44.45mm) Flange Inside Diameter Chrome Clamp On Breather
SKU: AF2871-1480
From $22.09 NZD $23.87 NZD
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Aeroflow Performance Air Filters AF2271-1490 Black Push In 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 AF2271-1490 Black Push In 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 Push In Breather 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-1/4" (31.75mm) Flange Inside Diameter Black Push In Breather
SKU: AF2271-1490
$33.54 NZD $36.28 NZD
No reviews
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Aeroflow Performance Air Filters AF2871-1360 Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19.05mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2871-1360 Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19.05mm) Flange Inside Diameter SR
Aeroflow Performance Chrome Clamp On Breather 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 3/4" (19.05mm) Flange Inside Diameter Chrome Clamp On Breather
SKU: AF2871-1360
$27.05 NZD $29.24 NZD
No reviews
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Aeroflow Performance Air Filters AF2271-1513 Black Clamp On Breather With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Inside Diameter SRAeroflow Performance Air Filters AF2271-1513 Black Clamp On Breather With Black Shield 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 With Black Shield 3" (76.2mm) O.D. x 2-1/2" (63.5mm) High, 1-3/8" (34.9mm) Flange Inside Diameter Black Clamp On Breather With Black Shield
SKU: AF2271-1513
$36.51 NZD $39.49 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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