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Audi Engine Emission Parts

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Vacuum Reservoir

ES#258889 - 06A131541A - Vacuum Reservoir - Located on the valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Located on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258889
Mfg#:
06A131541A
Special Order: No Guaranteed ETA
Auto Notify
$125.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#3462921 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Kayser - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code AWM

Brand:
Kayser - Corporate Logo
ES#:
3462921
Mfg#:
06A129101D
Back Ordered
$41.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PIPE

ES#3211740 - 059131525CS - PIPE - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3211740
Mfg#:
059131525CS
Ships in 1-2 days
7% off MSRP

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

$133.99

This product was last offered at the strikethrough price on
06-13-2026

$124.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Vent Hose

ES#4039401 - 03H103202D - PCV Vent Hose - Heated vent hose that connects from the valve cover to the intake manifold. - Vaico - Audi Volkswagen

Heated vent hose that connects from the valve cover to the intake manifold. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039401
Mfg#:
03H103202D
Special Order: No Guaranteed ETA
$270.99

This product was last offered at the strikethrough price on
04-15-2026

$124.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#4505652 - 021906265AK - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Meyle - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For engine code AHA, fits left and right position

Brand:
Meyle - Corporate Logo
ES#:
4505652
Mfg#:
021906265AK
Ships on Oct 22, 2026
$74.85

This product was last offered at the strikethrough price on
12-29-2025

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Connector

ES#3979078 - 06B103221L - Breather Hose Connector - Connects the valve cover to the hard pipe and pressure regulator - URO - Audi

Connects the valve cover to the hard pipe and pressure regulator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
URO - Corporate Logo
ES#:
3979078
Mfg#:
06B103221L
Ships in 1 Business Day
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#4505142 - 058103221E - Breather Hose - 'S' shaped hose attached to the bleeder valve under the intake manifold - URO - Audi Volkswagen

'S' shaped hose attached to the bleeder valve under the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8E-3-040000, split is in the 2003 model year

Brand:
URO - Corporate Logo
ES#:
4505142
Mfg#:
058103221E
Ships in 1 Business Day
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Retaining Spring - Priced Each

ES#4871901 - 037121142A - Retaining Spring - Priced Each - Keep your lines and hoses secure - Bremmen Parts - Audi Volkswagen

Keep your lines and hoses secure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Used to retain vent hose on crankcase breather assembly

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871901
Mfg#:
037121142A
In Stock at Vendor
$7.99

This product was last offered at the strikethrough price on
05-29-2026

$7.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EVAP Purge Valve

ES#3010763 - 06D133517C - EVAP Purge Valve - Also known as the N80 valve - Genuine Volkswagen Audi - Audi Volkswagen

Also known as the N80 valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3010763
Mfg#:
06D133517C
Ships in 1-2 days
6% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
06-13-2026

$121.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Right (Cylinders 1-3)

ES#4069370 - 022906262BM - Oxygen Sensor - Right (Cylinders 1-3) - Found after the catalytic converter - Denso - Audi

Found after the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Denso - Corporate Logo
ES#:
4069370
Mfg#:
022906262BM
In Stock at Vendor
$146.99

This product was last offered at the strikethrough price on
02-25-2026

$120.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vapor Canister Check Valve - Kit

ES#2981633 - 06F133781L - Vapor Canister Check Valve - Kit - Includes 3 hoses, connects to purge valve and valve cover - Vaico - Audi Volkswagen

Includes 3 hoses, connects to purge valve and valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2981633
Mfg#:
06F133781L
In Stock at Vendor
$122.99

This product was last offered at the strikethrough price on
05-07-2026

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#3188736 - 47167 - Breather Hose - From T fitting to hose connected to the valve cover. - Dorman - Audi Volkswagen

From T fitting to hose connected to the valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with AWP engine code

Brand:
Dorman - Corporate Logo
ES#:
3188736
Mfg#:
47167
Ships in 5 Business Days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Check Valve

ES#276313 - 046905291B - Check Valve - Repair vacuum system leaks - Genuine Volkswagen Audi - Audi

Repair vacuum system leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276313
Mfg#:
046905291B
Ships in 2 Business Days
6% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
06-13-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#467785 - N10255501 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 17.5x7x.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 17.5x7x.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467785
Mfg#:
N10255501
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Right

ES#2142829 - 078131102M - EGR Valve - Right - Also known as the 'combi valve' - Original Equipment Supplier - Audi

Also known as the 'combi valve' affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2142829
Mfg#:
078131102M
Back Ordered
$122.99

This product was last offered at the strikethrough price on
05-07-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump Gasket

ES#3046090 - 06H103121J - Vacuum Pump Gasket - Recommended to be replaced when replacing vacuum pump. - Victor Reinz - Audi Volkswagen

Recommended to be replaced when replacing vacuum pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
3046090
Mfg#:
06H103121J
In Stock at Vendor
$13.27

This product was last offered at the strikethrough price on
05-29-2026

$13.22 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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