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Audi Engine Emission Parts

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ES#329378 - 2D0129737A - Vacuum T Fitting - Basic vacuum system T fitting connector used to branch off 3 different lines - Genuine Volkswagen Audi - Audi

Basic vacuum system T fitting connector used to branch off 3 different lines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
329378
Mfg#:
2D0129737A
In Stock
23% off MSRP

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

$15.61

This product was last offered at the strikethrough price on
02-23-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818447 - 06D133299C - Coupling hose - Connects the breather tube to the valve cover port - Bremmen Parts - Audi

Connects the breather tube to the valve cover port affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818447
Mfg#:
06D133299C
In Stock
ON SALE! SAVE 21%
$32.99

This product was last offered at the strikethrough price on
05-02-2026

$26.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#436409 - 8E0201183BA - Vent Tube - Connects the filler neck to the charcoal canister. - Genuine Volkswagen Audi - Audi

Connects the filler neck to the charcoal canister. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-4-000001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436409
Mfg#:
8E0201183BA
Ships in 3 Business Days
8% off MSRP

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

$623.99

This product was last offered at the strikethrough price on
06-07-2026

$570.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4899182 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Rein - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits up to production date 3/31/2012 - Please check existing part number before ordering

Brand:
Rein - Corporate Logo
ES#:
4899182
Mfg#:
06H103495AH
Ships in 6 Business Days
$74.99

This product was last offered at the strikethrough price on
04-27-2026

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#281457 - 06H133781AT - Check Valve Hose Set  - Includes hoses and vacuum expansion valve - Genuine Volkswagen Audi - Audi

Includes hoses and vacuum expansion valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281457
Mfg#:
06H133781AT
In Stock
9% off MSRP

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

$68.99

This product was last offered at the strikethrough price on
06-07-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4629778 - 06E103547AC - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - URO - Audi Porsche

Located beneath the supercharger compressor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
URO - Corporate Logo
ES#:
4629778
Mfg#:
06E103547AC
In Stock
Limited Qty Sale
$130.99

This product was last offered at the strikethrough price on
05-02-2026

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4906657 - 053538LA04KT - B6 A4 1.8T Performance Baffled Oil Catch Can System - 8 oz. - Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. - ECS - Audi

Keep your intake tract clean and oil free! Featuring a four-chamber baffled catch can, durable silicone hoses, and a plug & play bracket for seamless integration. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8E-3-500001, split is in the 2003 model year.

Brand:
ECS - Corporate Logo
ES#:
4906657
Mfg#:
053538LA04KT
In Stock
ON SALE! SAVE 15%
$662.99

This product was last offered at the strikethrough price on
05-02-2026

$563.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4727524 - WHT004793A - Vent Tube O-Ring - Priced Each - 23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger. High temperature Viton replacement o-ring. - Bremmen Parts - Audi

23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger. High temperature Viton® replacement o-ring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4727524
Mfg#:
WHT004793A
In Stock
ON SALE! SAVE 12%
$5.09

This product was last offered at the strikethrough price on
05-02-2026

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280915 - 06E133817J - Secondary Air Injection Hose - Outlet - Connects the secondary air pump to the EGR connecting pipe - Genuine Volkswagen Audi - Audi

Connects the secondary air pump to the EGR connecting pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280915
Mfg#:
06E133817J
Ships in 5 Business Days
8% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
06-07-2026

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3708336 - 4H0906262N - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3708336
Mfg#:
4H0906262N
Ships in 3 Business Days
9% off MSRP

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

$610.99

This product was last offered at the strikethrough price on
06-07-2026

$558.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4069460 - 06H906517B - Purge Valve - Replace your failing purge valve - Bosch - Audi Volkswagen

Replace your failing purge valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4069460
Mfg#:
06H906517B
In Stock
$39.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2966851 - 06E131101K - EGR Valve - Left - Also known as the 'combi valve' - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2966851
Mfg#:
06E131101K
Ships in 3 Business Days
8% off MSRP

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

$606.99

This product was last offered at the strikethrough price on
06-07-2026

$555.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3708337 - 4H0906262P - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3708337
Mfg#:
4H0906262P
Ships in 3 Business Days
8% off MSRP

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

$606.99

This product was last offered at the strikethrough price on
06-07-2026

$555.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2737875 - 06K103484F - Oil Separator/PCV Valve Gasket - Replacement seal for the pcv Located on top of your valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Replacement seal for the pcv Located on top of your valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737875
Mfg#:
06K103484F
In Stock
17% off MSRP

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

$13.24

This product was last offered at the strikethrough price on
01-07-2026

$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3420003 - 4H0906265C - Oxygen Sensor - Priced Each - Located behind the catalytic converter - Bosch - Audi

Located behind the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits left side

Brand:
Bosch - Corporate Logo
ES#:
3420003
Mfg#:
4H0906265C
In Stock
Limited Qty Sale
$128.99

This product was last offered at the strikethrough price on
05-02-2026

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818433 - 06A133817Q - Connecting Pipe - Small pipe that is attached to combi valve and connecting pipe to the air pump - Bremmen Parts - Audi Volkswagen

Small pipe that is attached to combi valve and connecting pipe to the air pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818433
Mfg#:
06A133817Q
In Stock
ON SALE! SAVE 20%
$42.99

This product was last offered at the strikethrough price on
05-02-2026

$34.26 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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