Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Volkswagen MK4 Engine Emission Parts

Sort By
Filter By
Return to Top
ES#2682272 - 1K0998262Q - Oxygen Sensor - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!
For vehicles with AEG engine code and VIN from VIN 9M-X-085 415, split is in model year 1999

Brand:
Bosch - Corporate Logo
ES#:
2682272
Mfg#:
1K0998262Q
In Stock at Vendor
$150.95

This product was last offered at the strikethrough price on
10-31-2026

$149.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818428 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Bremmen Parts - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818428
Mfg#:
06A103213F
In Stock
ON SALE! SAVE 30%
$13.99

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

$9.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804857 - 06A959253EKT1 - Secondary Air Injection System Service Kit - Restore air injection operation and replace aging components - Assembled By ECS - Volkswagen

Restore air injection operation and replace aging components 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For vehicles with AZG or AVH engine code with VIN from 1J-Y-000 001 only, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804857
Mfg#:
06A959253EKT1
Back Ordered
ON SALE!
$440.99

This product was last offered at the strikethrough price on
11-03-2026

$425.63 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2878535 - 06A133751AG - Engine Vacuum System Suction Pump - Located near the intake manifold - Vaico - Volkswagen

Located near the intake manifold We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878535
Mfg#:
06A133751AG
Ships in 1 Business Day
$210.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3426986 - 1C0906517AKT - Purge Valve Repair Kit - Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps - Assembled By ECS - Audi Volkswagen

Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3426986
Mfg#:
1C0906517AKT
In Stock
ON SALE! SAVE 35%
$48.99

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

$31.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#319090 - 1K0998262M -  Oxygen Sensor - Located before the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

Located before the catalytic converter Fits vehicles from model years 02-05

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319090
Mfg#:
1K0998262M
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.

$470.99

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

$412.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#319087 - 1K0998262J -  Oxygen Sensor - Located before the catalytic converter - Genuine Volkswagen Audi - Volkswagen

Located before the catalytic converter Fits the right manifold

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319087
Mfg#:
1K0998262J
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.

$466.99

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

$408.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#311348 - 1J0973733 - Connector housing - 6 Pin black - Replace your broken connector. Pin terminals and wiring not included. - Genuine Volkswagen Audi - Volkswagen

Replace your broken connector. Pin terminals and wiring not included.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
311348
Mfg#:
1J0973733
In Stock
11% off MSRP

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

$26.49

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

$23.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3130050 - MS100125 - Universal Catch Can System - For a custom catch can setup - APR - Volkswagen

For a custom catch can setup Call In Or Chat For Best Price! 5X Entries For Our Spin To Win Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3130050
Mfg#:
MS100125
Ships in 5 Business 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.

$449.99

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

$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#470082 - N90521604 - O-Ring - Priced Each - Install new hardware with your new parts. 55x3 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 55x3 Fits up to the 2003 model year, ALH engine codes

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470082
Mfg#:
N90521604
In Stock
24% off MSRP

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

$11.47

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

$8.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#319085 - 1K0998262D - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319085
Mfg#:
1K0998262D
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.

$449.99

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

$394.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#307352 - 1J0129684CB - Intake Air Duct - Pipe from MAF to throttle body - Genuine Volkswagen Audi - Volkswagen

Pipe from MAF to throttle body For vehicles with AZG, AVG, or BEV engine code from the 2002 model year only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307352
Mfg#:
1J0129684CB
In Stock
Limited Qty Sale
$431.99

This product was last offered at the strikethrough price on
08-26-2026

$383.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4620670 - 077133517C - Purge Valve - Common fix for DTC P0441 - URO - Audi Volkswagen

Common fix 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!
For vehicles with VIN up to 1J-X-800 000, split is in 1999 model year

Brand:
URO - Corporate Logo
ES#:
4620670
Mfg#:
077133517C
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2772076 - 058133753D - Suction Pump - Restore engine performance - URO - Audi Volkswagen

Restore engine performance 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 vehicles with AWW or AWD engine codes only

Brand:
URO - Corporate Logo
ES#:
2772076
Mfg#:
058133753D
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1876813 - 06A959253B - Secondary Air Injection Pump - Keep your engine running efficiently - MTC - 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:
MTC - Corporate Logo
ES#:
1876813
Mfg#:
06A959253B
Ships in 9 Business Days
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#279767 - 06A906262BG - Oxygen Sensor - Keep your engine running efficiently, with a new O2 sensor - Genuine Volkswagen Audi - Volkswagen

Keep your engine running efficiently, with a new O2 sensor For vehicles with AVH, AZG or BEV engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279767
Mfg#:
06A906262BG
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.

$203.99

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

$178.99 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.

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings