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Volkswagen MK4 Engine Emission Parts

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ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 30%
$71.99

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

$50.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#248500 - 078906283A - Valve Control Solenoid (N249) - Valve used to control combi valve operation - Pierburg - Audi Volkswagen

Valve used to control combi valve operation

Brand:
Pierburg - Corporate Logo
ES#:
248500
Mfg#:
078906283A
In Stock
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2681624 - 1K0998262B -  Oxygen Sensor - Located after the catalytic converter - Bosch - Volkswagen

Located after the catalytic converter We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2681624
Mfg#:
1K0998262B
Ships in 1 Business Day
$144.11

This product was last offered at the strikethrough price on
08-02-2026

$137.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818679 - 8L0133817 - Secondary Air Injection Hose - Outlet - Large pipe that is attached to the air pump and connecting pipe to the combi valve - Bremmen Parts - Audi Volkswagen

Large pipe that is attached to the air pump and connecting pipe to the combi valve 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818679
Mfg#:
8L0133817
In Stock
ON SALE! SAVE 36%
$55.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4761007 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe. 19mm - Rein - Audi Volkswagen

Located on the turbo inlet pipe. 19mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4761007
Mfg#:
034129101B
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#252639 - 058133753D - Suction Pump - Restore engine performance - Genuine Volkswagen Audi - Audi Volkswagen

Restore engine performance For vehicles with AWW or AWD engine codes only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252639
Mfg#:
058133753D
In Stock
7% off MSRP

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

$91.65

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

$84.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$247.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1844013 - 078906601M -  Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi Volkswagen

Keep your engine running efficiently

Brand:
Pierburg - Corporate Logo
ES#:
1844013
Mfg#:
078906601M
Ships in 1 Business Day
$484.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#467458 - N10124408 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467458
Mfg#:
N10124408
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864541 - 034-101-3005 - Silicone Reinforced Breather Hose Kit - designed to replace the crumbling plastic and rubber factory breather hoses - 034Motorsport - Volkswagen

designed to replace the crumbling plastic and rubber factory breather hoses 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
For vehicles with AWD engine code only

Brand:
034Motorsport - Corporate Logo
ES#:
2864541
Mfg#:
034-101-3005
Ships in 2 Business Days
$237.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794189 - IEDIYUU17 - IE Recirculating Billet Catch Can - Prevent crankcase oil fumes from filling your intake piping, turbo piping, intercooler, intake manifold, and breather system - Integrated Engineering - Audi Volkswagen

Prevent crankcase oil fumes from filling your intake piping, turbo piping, intercooler, intake manifold, and breather system 2X Entries For Our Spin To Win Sweepstakes!
*Universal Fitment - Custom Install Required - Does not include fittings, adapters, or hose ends*

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794189
Mfg#:
IEDIYUU17
In Stock
$186.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3524963 - N90521604 - O-Ring - Priced Each - Install new hardware with your new parts. 55x3 - Elring - Audi Volkswagen

Install new hardware with your new parts. 55x3 2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits up to the 2003 model year, ALH engine codes

Brand:
Elring - Corporate Logo
ES#:
3524963
Mfg#:
N90521604
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2878534 - 06A133751AE - Emissions Suction Pump - Located near the intake manifold - Vaico - Audi Volkswagen

Located near the intake manifold We Price Match - Give Us A Call or Chat!
For vehicles with AWP engine code only

Brand:
Vaico - Corporate Logo
ES#:
2878534
Mfg#:
06A133751AE
Ships in 1 Business Day
$173.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2894844 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently For vehicles with VIN from 1J-Y-000 001 only, split is in the 2000 model year

Brand:
Vemo - Corporate Logo
ES#:
2894844
Mfg#:
06A959253E
Ships in 1 Business Day
$213.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818419 - 058133753D - Suction Pump - Restore engine performance - Bremmen Parts - Audi Volkswagen

Restore engine performance 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818419
Mfg#:
058133753D
In Stock
ON SALE! SAVE 30%
$17.99

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

$12.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#284127 - 078906601M -  Secondary Air Injection Pump - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284127
Mfg#:
078906601M
Ships in 1-2 days
11% off MSRP

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

$857.99

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

$764.99 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

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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