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Volkswagen MK4 Engine Emission Parts

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Air Pump Hose OE# 06A131127M

ES#3172438 - 06A131127M - Air Pump Hose OE# 06A131127M - Hose that runs from the secondary air pump to the Combi Valve - Vaico - Volkswagen

Hose that runs from the secondary air pump to the Combi Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with an AZG, AVH, BBW, or BEV engine code only

Brand:
Vaico - Corporate Logo
ES#:
3172438
Mfg#:
06A131127M
In Stock at Vendor
$98.99

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

$95.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Assembly

ES#276268 - 045131501L - EGR Valve Assembly - Includes sealing gasket - Genuine Volkswagen Audi - Volkswagen

Includes sealing gasket 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#:
276268
Mfg#:
045131501L
Ships in 1-2 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.

$616.99

This product was last offered at the strikethrough price on
02-26-2026

$574.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve

ES#4620670 - 077133517C - Purge Valve - Common fix for DTC P0441 - URO - Audi Volkswagen

Common fix for DTC P0441 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Torx Screw - Priced Each

ES#468267 - N10470703 - Torx Screw - Priced Each - Install new hardware with your new parts. M6x50 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468267
Mfg#:
N10470703
In Stock
18% off MSRP

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

$3.64

This product was last offered at the strikethrough price on
06-05-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Suction Pump

ES#2878534 - 06A133751AE - Emissions Suction Pump - Located near the intake manifold - Vaico - Audi Volkswagen

Located near the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AWP engine code only

Brand:
Vaico - Corporate Logo
ES#:
2878534
Mfg#:
06A133751AE
In Stock at Vendor
$178.99

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

$173.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Pipe

ES#4818433 - 06A133817Q - Connecting Pipe - Small pipe that is attached to combi valve and connecting pipe to the air pump - Bremmen Parts - Audi Volkswagen

Small pipe that is attached to combi valve and connecting pipe to the air pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818433
Mfg#:
06A133817Q
In Stock
ON SALE! SAVE 20%
$42.99

This product was last offered at the strikethrough price on
05-02-2026

$34.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 10AN ORB To 3/8" Barb

ES#4460630 - rad20-0530 - Universal 10AN ORB To 3/8" Barb - This PCV can be used on the outlet of any Radium Engineering catch can - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This PCV can be used on the outlet of any Radium Engineering catch can affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Radium Engineering - Corporate Logo
ES#:
4460630
Mfg#:
RAD20-0530
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#2803814 - 058133753D - Suction Pump - Restore engine performance - Rein - Audi Volkswagen

Restore engine performance 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 codes only

Brand:
Rein - Corporate Logo
ES#:
2803814
Mfg#:
058133753D
In Stock at Vendor
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Reinforced Breather Hose Kit

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

Oxygen Sensor - Priced Each

ES#2895 - 06A906262AJ - Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AWD engine code only

Brand:
Bosch - Corporate Logo
ES#:
2895
Mfg#:
06A906262AJ
In Stock at Vendor
$154.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Vacuum Hose Kit - Blue

ES#3130098 - 010377ECS01-03 - Silicone Vacuum Hose Kit - Blue - Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! - ECS - Volkswagen

Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3130098
Mfg#:
010377ECS01-03
Ships on Aug 7, 2026
Auto Notify
ON SALE! SAVE 30%
$93.99

This product was last offered at the strikethrough price on
05-02-2026

$65.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Three-Way Valve Housing

ES#2966835 - 034-101-3038 - Silicone Three-Way Valve Housing - 'T' shaped connection below the intake manifold - 034Motorsport - Audi Volkswagen

'T' shaped connection below the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AWD, AWW or AWP engine codes, with production date up to 6/30/2003

Brand:
034Motorsport - Corporate Logo
ES#:
2966835
Mfg#:
034-101-3038
In Stock
$24.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#319090 - 1K0998262M - Oxygen Sensor - Located before the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

Located before the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits vehicles from model years 02-05

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319090
Mfg#:
1K0998262M
Ships in 1-2 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.

$470.99

This product was last offered at the strikethrough price on
02-26-2026

$438.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection System Service Kit

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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
Ships in 10 Business Days
ON SALE!
$445.99

This product was last offered at the strikethrough price on
05-02-2026

$438.88 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor

ES#2682272 - 1K0998262Q - Oxygen Sensor - Keep your engine running efficiently - Bosch - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
$148.04

This product was last offered at the strikethrough price on
03-16-2026

$144.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#2894844 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Vemo - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
In Stock at Vendor
$213.14 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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