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Volkswagen MK4 Engine Emission Parts

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Bleeder Valve

ES#2093820 - 035103245A - Bleeder Valve - Located under the intake manifold - MTC - Audi Volkswagen

Located under the intake manifold For vehicles with a VIN up to 1J-1-070 999, split is in model year 2001

Brand:
MTC - Corporate Logo
ES#:
2093820
Mfg#:
035103245A
Ships in 10 Business Days
$5.00 USD
Free Shipping
on orders $49 and up

Vacuum Pump Sealing Gasket

ES#264196 - 038145345 - Vacuum Pump Sealing Gasket - Recommended with every timing belt change - Original Equipment Supplier - Volkswagen

Recommended with every timing belt change

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
264196
Mfg#:
038145345
Back Ordered
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket

ES#4150827 - 069131547D - EGR Valve Gasket - Gasket from EGR valve to pipe - Meistersatz - Volkswagen

Gasket from EGR valve to pipe

Brand:
Meistersatz - Corporate Logo
ES#:
4150827
Mfg#:
069131547D
Ships in 4 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Price Each

ES#467891 - N10305502 - Speed Nut - Price Each - Install new hardware with your new parts. 6.3mm - Genuine Volkswagen Audi - Volkswagen

Install new hardware with your new parts. 6.3mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467891
Mfg#:
N10305502
In Stock
ON SALE! SAVE 67%
$2.99

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

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vortex Breather Catch Can

ES#4858145 - 034-101-4001-BLK - Vortex Breather Catch Can - Catch Can included in 034-101-1003 - 034Motorsport - Volkswagen

Catch Can included in 034-101-1003 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858145
Mfg#:
034-101-4001-BLK
Ships in 3 Business Days
$125.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#3190137 - 911-400 - Suction Pump - Restore engine performance - Dorman - Audi Volkswagen

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

Brand:
Dorman - Corporate Logo
ES#:
3190137
Mfg#:
911-400
Ships in 4 Business Days
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Injection Pump

ES#4620214 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Hamburg Tech - Audi Volkswagen

Keep your engine running efficiently We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4620214
Mfg#:
06A959253E
Ships in 2 Business Days
$187.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Connecting Pipe

ES#4883352 - 038131521CC - EGR Connecting Pipe - Connects regulating flap to cylinder head - Rein - Volkswagen

Connects regulating flap to cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code only

Brand:
Rein - Corporate Logo
ES#:
4883352
Mfg#:
038131521CC
Ships in 4 Business Days
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV)

ES#5341279 - 06A103465 - Pressure Control Valve (PCV) - Located on top of the valve cover - Rein - Volkswagen

Located on top of the valve cover 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with AEG engine code only

Brand:
Rein - Corporate Logo
ES#:
5341279
Mfg#:
06A103465
Ships in 4 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Reservoir

ES#2891325 - 7M0129808 - Vacuum Reservoir - Stores vacuum for future use - Vaico - Audi Volkswagen

Stores vacuum for future use We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2891325
Mfg#:
7M0129808
Ships in 2 Business Days
$78.99

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

$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Assembly

ES#4872336 - 038131501BH - EGR Valve Assembly - Includes sealing gasket - Vemo - Volkswagen

Includes sealing gasket For vehicles with BEW engine code only

Brand:
Vemo - Corporate Logo
ES#:
4872336
Mfg#:
038131501BH
Ships in 2 Business Days
$614.99

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

$597.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket

Gasket from EGR valve to pipe

Brand:
Ajusa - Corporate Logo
ES#:
4150342
Mfg#:
069131547D
Ships in 4 Business Days
$2.99 USD
Free Shipping
on orders $49 and up

Breather Hose - To valve cover

Brand:
Burgaflex - Corporate Logo
ES#:
4349478
Mfg#:
037103493AE
Ships in 9 Business Days
$3.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Breather hose

Brand:
Burgaflex - Corporate Logo
ES#:
4349480
Mfg#:
06A103213F
Ships in 9 Business Days
$9.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Suction Pump

Located near the intake manifold We Price Match - Give Us A Call or Chat!
For vehicles from the 2004 model year with AWP engine code only

Brand:
Vaico - Corporate Logo
ES#:
4714669
Mfg#:
06A133751AK
Ships in 2 Business Days
$216.99

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

$210.99 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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