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Volkswagen MK4 Engine Emission Parts

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ES#4001163 - CTA2068 - Oxygen Sensor Thread Chaser - Remove rust and dirt for easy installation with this tool - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Remove rust and dirt for easy installation with this tool

Brand:
CTA Tools - Corporate Logo
ES#:
4001163
Mfg#:
CTA2068
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#251815 - COMBIPIPEKIT - Connecting Pipe Kit - Includes both hoses that run from air pump to combi valve - Genuine Volkswagen Audi - Volkswagen

Includes both hoses that run from air pump to combi valve

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251815
Mfg#:
COMBIPIPEKIT
Ships on May 7, 2027
$212.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3411446 - 0341013037 - Breather Hose  - Block to intake manifold hose made of silicone - 034Motorsport - Volkswagen

Block to intake manifold hose made of silicone 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!

Brand:
034Motorsport - Corporate Logo
ES#:
3411446
Mfg#:
0341013037
Ships in 2 Business Days
$30.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647145 - 95560560101KT - Secondary Air Injection Pump Kit - Includes rubber mounts to secure your pump - Hamburg Tech - Audi Volkswagen Porsche

Includes rubber mounts to secure your pump We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3647145
Mfg#:
95560560101KT
Ships in 1 Business Day
$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#274850 - 037906283D - Solenoid Valve - Converter for exhaust recirculation (EGR) valve  - Genuine Volkswagen Audi - Volkswagen

Converter for exhaust recirculation (EGR) valve For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274850
Mfg#:
037906283D
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.

$223.32

This product was last offered at the strikethrough price on
11-14-2026

$205.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#251814 - 06A133817Q - Connecting Pipe - Small pipe that is attached to combi valve and connecting pipe to the air pump - Genuine Volkswagen Audi - Audi Volkswagen

Small pipe that is attached to combi valve and connecting pipe to the air pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251814
Mfg#:
06A133817Q
Ships in 4 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.

$108.99

This product was last offered at the strikethrough price on
11-14-2026

$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2718617 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Elring - Audi Volkswagen

Ensure a proper seal 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718617
Mfg#:
078131120K
In Stock
$5.14

This product was last offered at the strikethrough price on
10-25-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#275200 - 038131521CC - EGR Connecting Pipe - Connects regulating flap to cylinder head - Genuine Volkswagen Audi - Volkswagen

Connects regulating flap to cylinder head For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275200
Mfg#:
038131521CC
Ships in 1-2 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.

$218.99

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

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2538327 - 028129101EKT - Pressure Control Valve (PCV) - Mounts on the driver side of the intake manifold - Genuine Volkswagen Audi - Volkswagen

Mounts on the driver side of the intake manifold For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2538327
Mfg#:
028129101EKT
Ships in 3 Business Days
$202.99

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

$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376432 - 1C0 906 517A - Purge Valve - Common cure for DTC P0441 - URO - Audi Volkswagen

Common cure for DTC P0441 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4376432
Mfg#:
1C0 906 517A
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2866151 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Febi - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866151
Mfg#:
06A103213F
Ships in 1 Business Day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2793803 - 06A103247KT5 - Emissions Service Kit - Featuring ECS silicone upgraded PCV hoses - Assembled By ECS - Volkswagen

Featuring ECS silicone upgraded PCV hoses 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For vehicles with an AWP engine code up to production date 6.30.2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
2793803
Mfg#:
06A103247KT5
Back Ordered
ON SALE! SAVE 30%
$268.99

This product was last offered at the strikethrough price on
11-07-2026

$188.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2801554 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Rein - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801554
Mfg#:
06A103213F
In Stock
Limited Qty Sale
$33.99

This product was last offered at the strikethrough price on
11-12-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804310 - 06A129101DKT1 - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet. Includes hose clamps - Assembled By ECS - Audi Volkswagen

Located on the intake hose leading to the turbo inlet. Includes hose clamps 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For 2002 model year vehicles only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804310
Mfg#:
06A129101DKT1
In Stock
ON SALE! SAVE 40%
$21.97

This product was last offered at the strikethrough price on
11-07-2026

$13.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2598289 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - URO - Audi Volkswagen

Located on the intake hose leading to the turbo inlet 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
For 2002 model year vehicles only

Brand:
URO - Corporate Logo
ES#:
2598289
Mfg#:
06A129101D
In Stock
Limited Qty Sale
$19.99

This product was last offered at the strikethrough price on
07-24-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#269672 - 022133907 - Vacuum Reservoir - Holds vacuum for future use - Genuine Volkswagen Audi - Volkswagen

Holds vacuum for future use

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
269672
Mfg#:
022133907
Ships in 4 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.

$199.99

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

$175.99 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 Volkswagen

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

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