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Audi A4 Engine Emission Parts

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Pressure Control Valve (PCV)

ES#4899182 - 06H103495AH - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Rein - Audi Volkswagen

Also called the "breather valve" or "oil separator" 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits up to production date 3/31/2012 - Please check existing part number before ordering

Brand:
Rein - Corporate Logo
ES#:
4899182
Mfg#:
06H103495AH
In Stock
ON SALE! SAVE 10%
$74.99

This product was last offered at the strikethrough price on
04-27-2026

$67.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#1042615 - 06J103221 - PCV Breather Hose - Connects PCV to the intake manifold - Genuine Volkswagen Audi - Audi Volkswagen

Connects PCV to the intake manifold From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1042615
Mfg#:
06J103221
In Stock
8% off MSRP

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

$106.99

This product was last offered at the strikethrough price on
09-09-2026

$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#3614068 - 8W0906262G - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3614068
Mfg#:
8W0906262G
In Stock
Limited Qty Sale
$236.99

This product was last offered at the strikethrough price on
08-07-2026

$214.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve

ES#281033 - 06E906517A - Purge Valve - Common fix for error code DTC#P0441 - Genuine Volkswagen Audi - Audi Volkswagen

Common fix for error code DTC#P0441

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281033
Mfg#:
06E906517A
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.

$71.99

This product was last offered at the strikethrough price on
09-09-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#4785767 - 06J145100P - Vacuum Pump - Generates vacuum when under positive pressure - URO - Audi

Generates vacuum when under positive pressure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4785767
Mfg#:
06J145100P
Ships in 1 Business Day
$174.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

ES#4876407 - 8K0906253N - Leak Detection Pump - Tests the fueling system for leaks - URO - Audi

Tests the fueling system for leaks 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From production date 3/6/2012

Brand:
URO - Corporate Logo
ES#:
4876407
Mfg#:
8K0906253N
In Stock
$112.99

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

$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Oxygen Sensor - Priced Each

ES#3678753 - 06L906262G - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678753
Mfg#:
06L906262G
In Stock
Limited Qty Sale
$287.99

This product was last offered at the strikethrough price on
08-04-2026

$256.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#252639 - 058133753D - Suction Pump - Restore engine performance - Genuine Volkswagen Audi - Audi Volkswagen

Restore engine performance

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
09-09-2026

$85.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger PCV Adapter Plate

ES#2960611 - 004136ECS04A - Turbocharger PCV Adapter Plate - Add a catch can to your stock turbocharger with this billet breather adapter - ECS - Audi

Add a catch can to your stock turbocharger with this billet breather adapter 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2960611
Mfg#:
004136ECS04A
In Stock
ON SALE! SAVE 45%
$81.99

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

$45.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#4339552 - 06H103213J - Breather Tube - Located on the rear of the valve cover, a common boost leak area - Hamburg Tech - Audi

Located on the rear of the valve cover, a common boost leak area We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4339552
Mfg#:
06H103213J
In Stock
ON SALE! SAVE 10%
$68.99

This product was last offered at the strikethrough price on
09-03-2026

$62.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Pump

ES#4151137 - 06E145100T - Vacuum Pump - Generates vacuum when under positive pressure. Includes seal. - Rein - Audi

Generates vacuum when under positive pressure. Includes seal. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151137
Mfg#:
06E145100T
Ships in 1 Business Day
ON SALE! SAVE 33%
$370.99

This product was last offered at the strikethrough price on
04-30-2026

$247.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#4390955 - 06H906283B - Solenoid Valve - Priced Each - Control valve for the flaps inside the intake manifold - Pierburg - Audi Volkswagen

Control valve for the flaps inside the intake manifold Intake flap control solenoid - Fits from the 2013 model year

Brand:
Pierburg - Corporate Logo
ES#:
4390955
Mfg#:
06H906283B
In Stock
ON SALE! SAVE 18%
$96.99

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

$79.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose

ES#4352632 - 06J103221A - PCV Breather Hose - Connects PCV to the intake manifold - Rein - Audi Volkswagen

Connects PCV to the intake manifold 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4352632
Mfg#:
06J103221A
In Stock
ON SALE!
$39.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Block Off Cap

ES#4812474 - VAG-EA888-CAP - PCV Block Off Cap - This block off cap is necessary for pressurizing your turbo system. - Turbo Boost Leak Testers - Audi Volkswagen

This block off cap is necessary for pressurizing your turbo system.

Brand:
Turbo Boost Leak Testers - Corporate Logo
ES#:
4812474
Mfg#:
VAG-EA888-CAP
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap With Strap

ES#5341362 - 4G0201550M - Gas Cap With Strap - Replace your leaking cap or the one left at the pump - URO - Audi

Replace your leaking cap or the one left at the pump 2X Entries Into Our F80 M3 Sweepstakes
Fits up to production date 11/07/2016

Brand:
URO - Corporate Logo
ES#:
5341362
Mfg#:
4G0201550M
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#4818419 - 058133753D - Suction Pump - Restore engine performance - Bremmen Parts - Audi Volkswagen

Restore engine performance 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818419
Mfg#:
058133753D
In Stock
ON SALE! SAVE 20%
$17.99

This product was last offered at the strikethrough price on
09-08-2026

$14.39 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 Audi

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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