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 97 - 120 of 121 products
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BF SALE!
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Aeroflow Performance 3" (76.2mm) O.D. x 2-1/4" (57mm) High, 1" (25.4mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1420 SRAeroflow Performance 3" (76.2mm) O.D. x 2-1/4" (57mm) High, 1" (25.4mm) Flange Inside Diam Aeroflow Black Clamp On Breather AF2271-1420 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1420 Black Clamp On Breather
SKU: AF2271-1420
$23.99 AUD $42.28 AUD
No reviews
BF SALE!
Save $20.11
Aeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1/2" (12.7mm) Flange Inside Di Aeroflow Black Clamp On Breather AF2271-1330 SRAeroflow Performance 2" (50.8mm) O.D. x 1-1/2" (38mm) High, 1/2" (12.7mm) Flange Inside Di Aeroflow Black Clamp On Breather AF2271-1330 SR
Aeroflow Performance Aeroflow Black Clamp On Breather AF2271-1330 Black Clamp On Breather
SKU: AF2271-1330
$22.17 AUD $42.28 AUD
No reviews
BF SALE!
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Aeroflow Performance Black Finish Aeroflow Bolt In Breather Bulkhead -12 AF777-12BLK SRAeroflow Performance Black Finish Aeroflow Bolt In Breather Bulkhead -12 AF777-12BLK SR
Aeroflow Performance Aeroflow Bolt In Breather Bulkhead -12 AF777-12BLK Bolt In Breather Bulkhead -12 Black Finish
SKU: AF777-12BLK
$19.99 AUD $36.07 AUD
No reviews
BF SALE!
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Aeroflow Performance Blue Finish Aeroflow Bolt In Breather Bulkhead -12 AF777-12 SRAeroflow Performance Blue Finish Aeroflow Bolt In Breather Bulkhead -12 AF777-12 SR
Aeroflow Performance Aeroflow Bolt In Breather Bulkhead -12 AF777-12 Bolt In Breather Bulkhead -12 Blue Finish
SKU: AF777-12
$19.24 AUD $36.07 AUD
No reviews
BF SALE!
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Aeroflow Performance Blue Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10 SRAeroflow Performance Blue Finish Aeroflow Bolt In Breather Bulkhead -10 AF777-10 SR
Aeroflow Performance Aeroflow Bolt In Breather Bulkhead -10 AF777-10 Bolt In Breather Bulkhead -10 Blue Finish
SKU: AF777-10
$12.69 AUD $25.69 AUD
No reviews
BF SALE!
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Aeroflow Performance Connect AN fitting to Rocker Covers with a rubber grommet, Black Aeroflow Push In Valve Cover Breather Adapter -12AN AF77-2012BLK SRAeroflow Performance Connect AN fitting to Rocker Covers with a rubber grommet, Black Aeroflow Push In Valve Cover Breather Adapter -12AN AF77-2012BLK SR
Aeroflow Performance Aeroflow Push In Valve Cover Breather Adapter -12AN AF77-2012BLK Push In Valve Cover Breather Adapter -12AN Connect AN fitting to Rocker Covers with a rubber grommet, Black
SKU: AF77-2012BLK
$11.13 AUD $41.55 AUD
No reviews
BF SALE!
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Aeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -6AN Female Thread AF77-2003 SRAeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -6AN Female Thread AF77-2003 SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -6AN Female Thread AF77-2003 Stainless Steel Billet Breather with -6AN Female Thread Polished Finish
SKU: AF77-2003
$35.20 AUD $63.40 AUD
No reviews
BF SALE!
Save $8.55
Aeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -12AN Female Thread AF77-2001BLK SRAeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -12AN Female Thread AF77-2001BLK SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -12AN Female Thread AF77-2001BLK Stainless Steel Billet Breather with -12AN Female Thread Black Finish
SKU: AF77-2001BLK
$86.63 AUD $95.18 AUD
No reviews
BF SALE!
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Aeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -12AN Female Thread AF77-2001 SRAeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -12AN Female Thread AF77-2001 SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -12AN Female Thread AF77-2001 Stainless Steel Billet Breather with -12AN Female Thread Polished Finish
SKU: AF77-2001
$79.13 AUD $95.18 AUD
No reviews
BF SALE!
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Aeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -10AN Female Thread AF77-2000BLK SRAeroflow Performance Black Finish. Aeroflow Stainless Steel Billet Breather with -10AN Female Thread AF77-2000BLK SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -10AN Female Thread AF77-2000BLK Stainless Steel Billet Breather with -10AN Female Thread Black Finish
SKU: AF77-2000BLK
$85.66 AUD $95.18 AUD
No reviews
BF SALE!
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Aeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -10AN Female Thread AF77-2000 SRAeroflow Performance Polished Finish. Aeroflow Stainless Steel Billet Breather with -10AN Female Thread AF77-2000 SR
Aeroflow Performance Aeroflow Stainless Steel Billet Breather with -10AN Female Thread AF77-2000 Stainless Steel Billet Breather with -10AN Female Thread Polished Finish.
SKU: AF77-2000
$80.77 AUD $95.18 AUD
No reviews
BF SALE!
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Aeroflow Performance -12AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Silver AF708-12-03S SRAeroflow Performance -12AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Silver AF708-12-03S SR
Aeroflow Performance Aeroflow Press In Cover Breather Adapter - Silver AF708-12-03S Press In Cover Breather Adapter - Silver -12AN Suit Nissan RB26
SKU: AF708-12-03S
$9.72 AUD $21.01 AUD
No reviews
BF SALE!
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Aeroflow Performance -12AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Black AF708-12-03BLK SRAeroflow Performance -12AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Black AF708-12-03BLK SR
Aeroflow Performance Aeroflow Press In Cover Breather Adapter - Black AF708-12-03BLK Press In Cover Breather Adapter - Black -12AN Suit Nissan RB26
SKU: AF708-12-03BLK
$11.10 AUD $21.01 AUD
No reviews
BF SALE!
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Aeroflow Performance -12AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Blue AF708-12-03 SRAeroflow Performance -12AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Blue AF708-12-03 SR
Aeroflow Performance Aeroflow Press In Cover Breather Adapter - Blue AF708-12-03 Press In Cover Breather Adapter - Blue -12AN Suit Nissan RB26
SKU: AF708-12-03
$9.86 AUD $21.01 AUD
No reviews
BF SALE!
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Aeroflow Performance Screw in for Nissan Valve Covers with threaded hole, Blue finish Aeroflow Breather Adapters -10AN AF708-10-M19 SRAeroflow Performance Screw in for Nissan Valve Covers with threaded hole, Blue finish Aeroflow Breather Adapters -10AN AF708-10-M19 SR
Aeroflow Performance Aeroflow Breather Adapters -10AN AF708-10-M19 Breather Adapters -10AN Screw in for Nissan Valve Covers with threaded hole, Blue finish
SKU: AF708-10-M19
$7.67 AUD $15.32 AUD
No reviews
BF SALE!
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Aeroflow Performance -10AN Suit Nissan RB26 KNURL OD = 22MM Aeroflow Press In Cover Breather Adapter - Silver AF708-10-03S SRAeroflow Performance -10AN Suit Nissan RB26 KNURL OD = 22MM Aeroflow Press In Cover Breather Adapter - Silver AF708-10-03S SR
Aeroflow Performance Aeroflow Press In Cover Breather Adapter - Silver AF708-10-03S Press In Cover Breather Adapter - Silver -10AN Suit Nissan RB26 KNURL OD = 22MM
SKU: AF708-10-03S
$7.89 AUD $21.01 AUD
No reviews
BF SALE!
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Aeroflow Performance -10AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Black AF708-10-03BLK SRAeroflow Performance -10AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Black AF708-10-03BLK SR
Aeroflow Performance Aeroflow Press In Cover Breather Adapter - Black AF708-10-03BLK Press In Cover Breather Adapter - Black -10AN Suit Nissan RB26
SKU: AF708-10-03BLK
$8.82 AUD $21.01 AUD
No reviews
BF SALE!
Save $12.99
Aeroflow Performance -10AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Blue AF708-10-03 SRAeroflow Performance -10AN Suit Nissan RB26 Aeroflow Press In Cover Breather Adapter - Blue AF708-10-03 SR
Aeroflow Performance Aeroflow Press In Cover Breather Adapter - Blue AF708-10-03 Press In Cover Breather Adapter - Blue -10AN Suit Nissan RB26
SKU: AF708-10-03
$8.02 AUD $21.01 AUD
No reviews
BF SALE!
Save $9.36
Aeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Silver (19mm O.D) AF708-08RS SRAeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Silver (19mm O.D) AF708-08RS SR
Aeroflow Performance Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Silver (19mm O.D) AF708-08RS Press In Rear Valve Cover Breather Adapter -8AN Silver (19mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08RS
$6.78 AUD $16.14 AUD
No reviews
BF SALE!
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Aeroflow Performance Press in for Nissan Valve Covers with non-threaded hole, Blue Aeroflow Breather Adapters -10AN AF708-10-01 SRAeroflow Performance Press in for Nissan Valve Covers with non-threaded hole, Blue Aeroflow Breather Adapters -10AN AF708-10-01 SR
Aeroflow Performance Aeroflow Breather Adapters -10AN AF708-10-01 Breather Adapters -10AN Press in for Nissan Valve Covers with non-threaded hole, Blue
SKU: AF708-10-01
$9.34 AUD $21.01 AUD
No reviews
BF SALE!
Save $9.57
Aeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Blue (19mm O.D) AF708-08R SRAeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Blue (19mm O.D) AF708-08R SR
Aeroflow Performance Aeroflow Press In Rear Valve Cover Breather Adapter -8AN Blue (19mm O.D) AF708-08R Press In Rear Valve Cover Breather Adapter -8AN Blue (19mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08R
$6.57 AUD $16.14 AUD
No reviews
BF SALE!
Save $9.15
Aeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Front Valve Cover Breather Adapter -8AN Sliver (20mm O.D) AF708-08FS SRAeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Front Valve Cover Breather Adapter -8AN Sliver (20mm O.D) AF708-08FS SR
Aeroflow Performance Aeroflow Press In Front Valve Cover Breather Adapter -8AN Sliver (20mm O.D) AF708-08FS Press In Front Valve Cover Breather Adapter -8AN Sliver (20mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08FS
$6.99 AUD $16.14 AUD
No reviews
BF SALE!
Save $9.38
Aeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Front Valve Cover Breather Adapter -8AN Blue (20mm O.D) AF708-08F SRAeroflow Performance Suit BA-FG Ford Falcon Aeroflow Press In Front Valve Cover Breather Adapter -8AN Blue (20mm O.D) AF708-08F SR
Aeroflow Performance Aeroflow Press In Front Valve Cover Breather Adapter -8AN Blue (20mm O.D) AF708-08F Press In Front Valve Cover Breather Adapter -8AN Blue (20mm O.D) Suit BA-FG Ford Falcon
SKU: AF708-08F
$6.76 AUD $16.14 AUD
No reviews
BF SALE!
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Aeroflow Performance Suits AF708-10-10BLK GM LS Oil Fill/Breather Cap Aeroflow Replacement Viton O-Ring AF59-708-10-10 SRAeroflow Performance Suits AF708-10-10BLK GM LS Oil Fill/Breather Cap Aeroflow Replacement Viton O-Ring AF59-708-10-10 SR
Aeroflow Performance Aeroflow Replacement Viton O-Ring AF59-708-10-10 Replacement Viton O-Ring Suits AF708-10-10BLK GM LS Oil Fill/Breather Cap
SKU: AF59-708-10-10
$7.92 AUD $10.96 AUD
No reviews

Breathers & Adapters

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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
$9.33 AUD $21.01 AUD
No reviews
BF SALE!
Save $0.74
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
$1.29 AUD $2.03 AUD
No reviews
BF SALE!
Save $19.72
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
$22.56 AUD $42.28 AUD
No reviews
BF SALE!
Save $20.82
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
$21.46 AUD $42.28 AUD
No reviews
BF SALE!
Save $19.81
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
$22.47 AUD $42.28 AUD
No reviews
BF SALE!
Save $23.61
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
$18.67 AUD $42.28 AUD
No reviews
BF SALE!
Save $8.99
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
$7.15 AUD $16.14 AUD
No reviews
BF SALE!
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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
$28.67 AUD $40.26 AUD
No reviews
BF SALE!
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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
$12.45 AUD $14.22 AUD
No reviews
BF SALE!
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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
$19.88 AUD $25.85 AUD
No reviews
BF SALE!
Save $18.32
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
$23.96 AUD $42.28 AUD
No reviews
BF SALE!
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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
$12.76 AUD $25.69 AUD
No reviews

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