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Volkswagen MK4 Engine Emission Parts

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Plug

ES#466615 - N0160243 - Plug - Oil filter adapter upper plug. M10x1 - Genuine Volkswagen Audi - Audi Volkswagen

Oil filter adapter upper plug. M10x1 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466615
Mfg#:
N0160243
Ships in 1-2 days
34% off MSRP

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

$9.08

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#467785 - N10255501 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 17.5x7x.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 17.5x7x.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467785
Mfg#:
N10255501
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Reservoir

ES#258889 - 06A131541A - Vacuum Reservoir - Located on the valve cover - Genuine Volkswagen Audi - Audi Volkswagen

Located on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258889
Mfg#:
06A131541A
Special Order: No Guaranteed ETA
Auto Notify
$125.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) - (19mm)

ES#3462921 - 06A129101D - Pressure Control Valve (PCV) - (19mm) - Located on the intake hose leading to the turbo inlet - Kayser - Audi Volkswagen

Located on the intake hose leading to the turbo inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For 2002 model year vehicles only

Brand:
Kayser - Corporate Logo
ES#:
3462921
Mfg#:
06A129101D
Back Ordered
$41.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#891 - 06A906262Q REAR - Oxygen Sensor - Priced Each - Keep your engine running efficiently, restore MPG, and clear check engine lights - Vemo - Volkswagen

Keep your engine running efficiently, restore MPG, and clear check engine lights affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
891
Mfg#:
06A906262Q REAR
Ships on Sep 30, 2026
$122.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Vacuum Pipe With Check Valve

ES#308105 - 1J0612041AB - Brake Vacuum Pipe With Check Valve - Hard vacuum pipe that goes to brake booster, comes with check valve - Genuine Volkswagen Audi - Volkswagen

Hard vacuum pipe that goes to brake booster, comes with check valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
308105
Mfg#:
1J0612041AB
In Stock at Vendor
10% off MSRP

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

$134.99

This product was last offered at the strikethrough price on
05-07-2026

$121.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AEG engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279189
Mfg#:
06A103465
Ships in 3 Business 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.

$128.99

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

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube - Valve housing to breather hose

ES#3623882 - 06A103213BK - Breather Tube - Valve housing to breather hose - URO - Volkswagen

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#:
3623882
Mfg#:
06A103213BK
Ships in 1 Business Day
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Catch Can Mounting Bracket (straight)

ES#3479288 - IEDIYUU1-7 - Catch Can Mounting Bracket (straight) - To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets - Integrated Engineering - Audi Volkswagen

To make your custom install as easy as possible, IE offers stainless steel catch can mounting brackets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3479288
Mfg#:
IEDIYUU1-7
Back Ordered
Auto Notify
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#2580506 - 06A906262CB - 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, mounts inside the catalytic converter (center).

Brand:
Bosch - Corporate Logo
ES#:
2580506
Mfg#:
06A906262CB
In Stock at Vendor
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather Hoses - Red

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 in 3 Business Days
$117.99 USD
Free Shipping
on orders $49 and up

PCV Breather Hose

ES#274970 - 038103493AN - PCV Breather Hose - Connects to valve cover - Genuine Volkswagen Audi - Volkswagen

Connects to valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274970
Mfg#:
038103493AN
Ships in 3 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.

$124.99

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

$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274971
Mfg#:
038103493P
Ships in 3 Business 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.

$118.99

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

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Hose - Outlet

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Vacuum Solenoid Valve

ES#2897319 - 1K0906283A - Vacuum Solenoid Valve - Electrically controlled vacuum valve - Vemo - Audi Volkswagen

Electrically controlled vacuum valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used for exhaust flapper control

Brand:
Vemo - Corporate Logo
ES#:
2897319
Mfg#:
1K0906283A
In Stock at Vendor
$56.99

This product was last offered at the strikethrough price on
05-07-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"S" Shaped Breather Hose

ES#4045288 - 06A103221BQ - "S" Shaped Breather Hose - Attaches to crankcase breather valve - Rein - Audi Volkswagen

Attaches to crankcase breather valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AWW or AWD engine code only

Brand:
Rein - Corporate Logo
ES#:
4045288
Mfg#:
06A103221BQ
In Stock
$21.99 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

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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