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Volkswagen MK4 Engine Emission Parts

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ES#4505133 - 038131521CC - EGR Connecting Pipe - Connects regulating flap to cylinder head - URO - Volkswagen

Connects regulating flap to cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code only

Brand:
URO - Corporate Logo
ES#:
4505133
Mfg#:
038131521CC
Ships in 1 Business Day
$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5335 - 06A906265N - Oxygen Sensor - Keep your engine running efficiently, with a new O2 sensor - Bosch - Volkswagen

Keep your engine running efficiently, with a new O2 sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AEG engine code with VIN up to 1J-X-697002, split is in the 1999 model year

Brand:
Bosch - Corporate Logo
ES#:
5335
Mfg#:
06A906265N
Ships in 1-2 days
$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2712768 - 078906265AA - Oxygen Sensor - Priced Each - Located behind the catalytic converter - Vemo - Audi Volkswagen

Located behind the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AWD engine code only

Brand:
Vemo - Corporate Logo
ES#:
2712768
Mfg#:
078906265AA
In Stock at Vendor
$141.67 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1874204 - 06A103213BK - Crankcase Vent Tube - Connects to the three way breather on the side of the valve cover - Genuine Volkswagen Audi - Volkswagen

Connects to the three way breather on the side of the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a VIN from 1J-4-009,844 split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1874204
Mfg#:
06A103213BK
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.

$146.99

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

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#7934 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Genuine Volkswagen Audi - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
7934
Mfg#:
06A103213F
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.

$146.99

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

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4829 - 058131817 - Adapter For Combi Valve - Allows the combi valve to be mounted on the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Allows the combi valve to be mounted on the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4829
Mfg#:
058131817
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.

$144.99

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

$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3971258 - 06A133240 - Pressure Control Valve (PCV) Hose - Comes off the PCV valve on the intake tube - URO - Volkswagen

Comes off the PCV valve on the intake tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AEG engine code only

Brand:
URO - Corporate Logo
ES#:
3971258
Mfg#:
06A133240
Ships in 1 Business Day
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2709893 - 06A103465 - Pressure Control Valve (PCV) - Located on top of the valve cover - URO - Volkswagen

Located on top of the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AEG engine code only

Brand:
URO - Corporate Logo
ES#:
2709893
Mfg#:
06A103465
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419602 - 034-101-3041 - Silicone Breather Hose - Reinforced silicone transverse 1.8T valve cover breather hose to replace the crumbling rubber unit - 034Motorsport - Audi Volkswagen

Reinforced silicone transverse 1.8T valve cover breather hose to replace the crumbling rubber unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with AWP engine code - From the 2003 model year

Brand:
034Motorsport - Corporate Logo
ES#:
3419602
Mfg#:
034-101-3041
Ships in 2 Business Days
$67.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4828 - 078131120M - SAI/EGR Valve Adapter Gasket - Priced Each - Seals the combi valve adapter to the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Seals the combi valve adapter to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4828
Mfg#:
078131120M
In Stock
16% off MSRP

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

$4.61

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

$3.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4428746 - AUTMK4006 - Autobahn Autoworx Silicone PCV Hose Upgrade Kit - Eliminate all the fail prone hoses and plastic parts with this kit! - Autobahn Autoworx - Audi Volkswagen

Eliminate all the fail prone hoses and plastic parts with this kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AWW or AWP engine code only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4428746
Mfg#:
AUTMK4006
Ships in 3 Business Days
Starting at $130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2580510 - 06A906262BM - Oxygen Sensor - Keep your engine running efficiently, with a new O2 sensor - Bosch - Volkswagen

Keep your engine running efficiently, with a new O2 sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with BBW engine code only

Brand:
Bosch - Corporate Logo
ES#:
2580510
Mfg#:
06A906262BM
In Stock at Vendor
$136.99

This product was last offered at the strikethrough price on
04-09-2026

$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3648447 - 06a129101dkt2KT - Pressure Control Valve (PCV) Repair Kit - Located under the intake manifold. Includes hose clamps - Genuine Volkswagen Audi - Audi Volkswagen

Located under the intake manifold. Includes hose clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 2002 model year vehicles only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648447
Mfg#:
06A129101DKT2KT
Ships in 3 Business Days
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3172446 - 06A133783AS - Angled Breather Hose OE# 06A133783AS - Get this replacement breather hose to attach to your intake manifold - Vaico - Audi Volkswagen

Get this replacement breather hose to attach to your 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#:
3172446
Mfg#:
06A133783AS
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3462913 - 046905291A - Vacuum Check Valve - Priced Each - In line vacuum one way valve to ensure proper air suction - Kayser - Volkswagen

In line vacuum one way valve to ensure proper air suction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kayser - Corporate Logo
ES#:
3462913
Mfg#:
046905291A
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#283692 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283692
Mfg#:
078131120K
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.

$14.99

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

$13.99 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.

Let us help you find the parts that fit your Volkswagen

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

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