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Audi A4 Engine Emission Parts

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ES#2762341 - 06F103221H - PCV Breather Hose - Connects the PCV valve to intake manifold - URO - Audi Volkswagen

Connects the PCV valve to intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2762341
Mfg#:
06F103221H
In Stock
$18.99 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#2549999 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi Volkswagen Porsche

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes ATW & AWM from VIN 8D-Y-100001, split is in the 2000 model year

Brand:
Pierburg - Corporate Logo
ES#:
2549999
Mfg#:
06A959253E
In Stock at Vendor
$790.34

This product was last offered at the strikethrough price on
02-21-2026

$594.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261091 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe (19mm) - Genuine Volkswagen Audi - Audi Volkswagen

Located on the turbo inlet pipe (19mm) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261091
Mfg#:
034129101B
Ships in 1-2 days
3% off MSRP

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

$86.99

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

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2708697 - 06A103213F - Breather Hose Connector - Connects the oil filter adapter to the three-way valve housing - URO - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708697
Mfg#:
06A103213F
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3569961 - 034-101-1013 - 034Motorsport 2.0T FSI Catch Can Kit  - Keep oil and water vapor out of the intake tract - 034Motorsport - Audi

Keep oil and water vapor out of the intake tract affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3569961
Mfg#:
034-101-1013
Ships in 2 Business Days
$582.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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#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 2 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
06-06-2026

$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
06-06-2026

$62.99 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#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 4 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
06-06-2026

$111.99 USD
Free Shipping
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 1-2 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
06-06-2026

$555.99 USD
Free Shipping
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#4620670 - 077133517C - Purge Valve - Common fix for DTC P0441 - URO - Audi Volkswagen

Common fix for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4620670
Mfg#:
077133517C
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2955055 - 06E131102K - EGR Valve - Right - 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#:
2955055
Mfg#:
06E131102K
Ships in 1-2 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.

$593.99

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

$542.99 USD
Free Shipping
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.

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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