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Audi Engine Emission Parts

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Valve Cover Breather Adapter - 21mm Nipple Fittings

ES#3432298 - 034-101-5004 - Valve Cover Breather Adapter - 21mm Nipple Fittings - DIY breather port adapter to allow a provision for custom catch can setups on 2.0T FSI - 034Motorsport - Audi Volkswagen

DIY breather port adapter to allow a provision for custom catch can setups on 2.0T FSI 2X Entries Into Our F80 M3 Sweepstakes
FSI Engines only - To be used for DIY custom catch can setups

Brand:
034Motorsport - Corporate Logo
ES#:
3432298
Mfg#:
034-101-5004
Ships in 2 Business Days
$90.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve Breather Hose

ES#2570529 - 06J133241T - Purge Valve Breather Hose - Connects to the exhaust side of the purge valve - Genuine Volkswagen Audi - Audi Volkswagen

Connects to the exhaust side of the purge valve For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570529
Mfg#:
06J133241T
Ships in 1 day
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$98.99

This product was last offered at the strikethrough price on
10-05-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hose - Priced Each

ES#467883 - N10303504 - Hose - Priced Each - Replacement line that can be cut to size. 7.3x3.5mm - Genuine Volkswagen Audi - Audi

Replacement line that can be cut to size. 7.3x3.5mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467883
Mfg#:
N10303504
Ships in 1 day
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$98.99

This product was last offered at the strikethrough price on
10-05-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

Connects to both valve covers to the PCV adapter vent tube 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5515978
Mfg#:
06E103217AF
Ships on Jan 28, 2027
ON SALE! SAVE 10%
$99.99

This product was last offered at the strikethrough price on
10-08-2026

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#263953 - N10258101 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 23-35x9x.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 23-35x9x.5 Secures the bleeder valve to the 'T' shaped fitting

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263953
Mfg#:
N10258101
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$7.10

This product was last offered at the strikethrough price on
07-15-2026

$6.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2598388 - 06A906262Q - Oxygen Sensor - Priced Each - Keep your engine running efficiently, restore MPG, and clear check engine lights - Vemo - Audi Volkswagen

Keep your engine running efficiently, restore MPG, and clear check engine lights For vehicles with ATC engine code only

Brand:
Vemo - Corporate Logo
ES#:
2598388
Mfg#:
06A906262Q
Special Order: No Guaranteed ETA
$88.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Priced Each

ES#284905 - 079131102A - EGR Valve - Priced Each - Also known as the 'combi valve' - Genuine Volkswagen Audi - Audi

Also known as the 'combi valve' Fits the right side up to production date 5/31/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284905
Mfg#:
079131102A
Special Order: No Guaranteed ETA
Limited Qty Sale
$451.99

This product was last offered at the strikethrough price on
06-03-2026

$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PVC Vent Tube

ES#2662134 - 06B103213T - PVC Vent Tube - Connects the hose connector to the PCV elbow - Genuine Volkswagen Audi - Audi Volkswagen

Connects the hose connector to the PCV elbow

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2662134
Mfg#:
06B103213T
Ships in 2 Business Days
12% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$100.00

This product was last offered at the strikethrough price on
08-31-2026

$87.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#3142243 - 058103493A - Breather Hose - Connects the PVC to the metal vent tube - URO - Audi Volkswagen

Connects the PVC to the metal vent tube 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3142243
Mfg#:
058103493A
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube - Priced Each

ES#4859586 - 06C103235A - Breather Tube - Priced Each - Connects the cylinder block vent cover with the PCV valve - Vaico - Audi

Connects the cylinder block vent cover with the PCV valve We Price Match - Give Us A Call or Chat!
From VIN 4B-3-075001, split is in the 2003 model year

Brand:
Vaico - Corporate Logo
ES#:
4859586
Mfg#:
06C103235A
Ships in 1 Business Day
$29.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#4056289 - 059103495G - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Vaico - Audi

Also called the "breather valve" or "oil separator" We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4056289
Mfg#:
059103495G
In Stock
Limited Qty Sale
$116.99

This product was last offered at the strikethrough price on
06-01-2026

$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Canister Hose

ES#436539 - 8E0201946H - Charcoal Canister Hose - Connects charcoal canister to hard pipe - Genuine Volkswagen Audi - Audi

Connects charcoal canister to hard pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436539
Mfg#:
8E0201946H
Ships in 3 Business Days
13% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$100.00

This product was last offered at the strikethrough price on
08-31-2026

$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Check Valve

ES#2813146 - 07C133529A - Vacuum Check Valve - Located near off of the intake manifold connecting to the suction pump - Hamburg Tech - Audi

Located near off of the intake manifold connecting to the suction pump We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813146
Mfg#:
07C133529A
Ships in 1 Business Day
$12.99

This product was last offered at the strikethrough price on
10-21-2026

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor

ES#5424684 - 1K0998262AD - Front Oxygen Sensor - Located before catalytic converter, restore mileage and clear codes - URO - Audi Volkswagen

Located before catalytic converter, restore mileage and clear codes 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5424684
Mfg#:
1K0998262AD
Ships in 1 Business Day
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#3085998 - 06J103213D - PCV Breather Hose - Located at rear of PCV - Vaico - Audi Volkswagen

Located at rear of PCV We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3085998
Mfg#:
06J103213D
Ships in 1 Business Day
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2894981 - 078906265N - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently Up to the 2001 model year

Brand:
Vemo - Corporate Logo
ES#:
2894981
Mfg#:
078906265N
Special Order: No Guaranteed ETA
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

Other Audi Engine Emission Parts

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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