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Volkswagen MK4 Engine Emission Parts

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ES#279189 - 06A103465 - Pressure Control Valve (PCV) - Located on top of the valve cover - Genuine Volkswagen Audi - Volkswagen

Located on top of the valve cover For vehicles with AEG engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279189
Mfg#:
06A103465
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.

$128.99

This product was last offered at the strikethrough price on
10-05-2026

$112.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5491634 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Bremmen Parts - Audi Volkswagen Porsche

Keep your engine running efficiently 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5491634
Mfg#:
06A959253E
In Stock
ON SALE! SAVE 30%
$159.99

This product was last offered at the strikethrough price on
10-08-2026

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818429 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Bremmen Parts - Audi Volkswagen

'T' shaped connection below the intake manifold 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

For vehicles with AWD, AWW or AWP engine codes, with production date up to 6/30/2003

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818429
Mfg#:
06A103247
In Stock
ON SALE! SAVE 30%
$7.99

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

$5.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1598124 - 8L0133817 - Secondary Air Injection Hose - Outlet - Large pipe that is attached to the air pump and connecting pipe to the combi valve - Genuine Volkswagen Audi - Audi Volkswagen

Large pipe that is attached to the air pump and connecting pipe to the combi valve For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598124
Mfg#:
8L0133817
Special Order: No Guaranteed ETA
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#274970 - 038103493AN - PCV Breather Hose - Connects to valve cover - Genuine Volkswagen Audi - Volkswagen

Connects to valve cover For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274970
Mfg#:
038103493AN
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.

$124.99

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

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2739688 - 06A131351D - Combi Valve - Also known as the Secondary Air Injection Valve - Pierburg - Volkswagen

Also known as the Secondary Air Injection Valve For vehicles with an AZG, AVH, BBW, or BEV engine code only

Brand:
Pierburg - Corporate Logo
ES#:
2739688
Mfg#:
06A131351D
Ships in 1-2 days
$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Located after the catalytic converter Fits the right side

Brand:
Walker - Corporate Logo
ES#:
3690282
Mfg#:
1K0998262R
Ships in 1-2 days
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2992762 - 028129717DKT - Intake Manifold Cleaning Kit - Clean out that clogged intake on your TDI - Assembled By ECS - Volkswagen

Clean out that clogged intake on your TDI 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For vehicles with ALH engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2992762
Mfg#:
028129717DKT
Ships in 1 Business Day
ON SALE! SAVE 16%
$62.99

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

$52.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#258895 - 06A103247 - Three-Way Valve Housing - 'T' shaped connection below the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

'T' shaped connection below the intake manifold For vehicles with AWD, AWW or AWP engine codes, with production date up to 6/30/2003

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258895
Mfg#:
06A103247
Ships in 4 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.

$22.99

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

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#274971 - 038103493P - PCV Breather Hose - Goes from PCV valve to oil filter housing - Genuine Volkswagen Audi - Volkswagen

Goes from PCV valve to oil filter housing For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274971
Mfg#:
038103493P
Ships in 1-2 days
13% off MSRP

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

$118.99

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

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2581849 - N90467301 - O-Ring - Priced Each - Ensure a proper seal with a new o-ring. 34.2x3 - Elring - Audi Volkswagen

Ensure a proper seal with a new o-ring. 34.2x3 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#:
2581849
Mfg#:
N90467301
In Stock
ON SALE! SAVE 20%
$2.00

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

$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2702227 - 038131521CA - EGR Cooler Pipe Hardware Kit - Includes everthing you need to install your EGR cooler pipe; two gaskets and 4 screws - Assembled By ECS - Volkswagen

Includes everthing you need to install your EGR cooler pipe; two gaskets and 4 screws 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2702227
Mfg#:
038131521CA
Ships in 1 Business Day
ON SALE! SAVE 13%
$28.99

This product was last offered at the strikethrough price on
10-26-2026

$25.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2684995 - FMBH18T-RED - Breather Hoses - Red - Upgraded silicone breather hose kit with red hoses - Forge - Volkswagen

Upgraded silicone breather hose kit with red hoses For vehicles with AWW or AWP engine code with production date up to 06/30/2003 only

Brand:
Forge - Corporate Logo
ES#:
2684995
Mfg#:
FMBH18T-RED
Ships on Dec 7, 2026
ON SALE! SAVE 15%
$117.99

This product was last offered at the strikethrough price on
11-08-2026

$100.05 USD
Free Shipping
on orders $49 and up
ES#276312 - 046905291A - Vacuum Check Valve - Priced Each - In line vacuum one way valve to ensure proper air suction - Genuine Volkswagen Audi - Volkswagen

In line vacuum one way valve to ensure proper air suction

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276312
Mfg#:
046905291A
Ships in 1-2 days
15% off MSRP

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

$58.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3154051 - 1J0612041AB - Brake Vacuum Pipe With Check Valve - Hard vacuum pipe that goes to brake booster, comes with check valve - Bremmen Parts - Volkswagen

Hard vacuum pipe that goes to brake booster, comes with check valve 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3154051
Mfg#:
1J0612041AB
In Stock
ON SALE! SAVE 30%
$34.99

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

$24.49 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

Brand:
Kayser - Corporate Logo
ES#:
3462913
Mfg#:
046905291A
Ships in 3 Business Days
$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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