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Audi A4 Engine Emission Parts

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ES#4342695 - 06F129101C -  Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - Febi - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From production date 12/17/2005

Brand:
Febi - Corporate Logo
ES#:
4342695
Mfg#:
06F129101C
In Stock
$37.99

This product was last offered at the strikethrough price on
12-11-2025

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3173640 - 06F103235A - PCV Breather Hose - Connects the PCV valve to oil filter adapter - Rein - Audi Volkswagen

Connects the PCV valve to oil filter adapter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3173640
Mfg#:
06F103235A
In Stock
$39.99

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#3419448 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - NTK - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left and right position

Brand:
NTK - Corporate Logo
ES#:
3419448
Mfg#:
06E906265Q
Ships in 2 Business Days
$104.78

This product was last offered at the strikethrough price on
01-23-2026

$104.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#252639 - 058133753D - Suction Pump - Restore engine performance - Genuine Volkswagen Audi - Audi Volkswagen

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

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
06-06-2026

$85.47 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

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#281336 - 06H103213J - Breather Tube - Located on the rear of the valve cover, a common boost leak area - Genuine Volkswagen Audi - Audi

Located on the rear of the valve cover, a common boost leak area affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281336
Mfg#:
06H103213J
Ships in 1-2 days
2% off MSRP

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

$258.99

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

$252.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4176998 - 06J145100P  - Vacuum Pump - Generates vacuum when under positive pressure - Hamburg Tech - Audi

Generates vacuum when under positive pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4176998
Mfg#:
06J145100P
In Stock
$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4352399 - 06H103464L - Secondary Oil Separator - Mounted to the side of the engine block - URO - Audi Volkswagen

Mounted to the side of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4352399
Mfg#:
06H103464L
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1304374 - 1K0998262T -  Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1304374
Mfg#:
1K0998262T
Ships in 2 Business 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.

$337.99

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

$314.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#452225 - 8K0906271 - Leak Detection Pump - Tests the fueling system for leaks - Genuine Volkswagen Audi - Audi

Tests the fueling system for leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to production date 3/5/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452225
Mfg#:
8K0906271
Ships in 1-2 days
$485.99

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

$471.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#258893 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Pierburg - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
258893
Mfg#:
026906283J
In Stock at Vendor
$114.83

This product was last offered at the strikethrough price on
03-21-2026

$104.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#281033 - 06E906517A - Purge Valve - Common fix for error code DTC#P0441 - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281033
Mfg#:
06E906517A
Ships in 1-2 days
8% 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
06-06-2026

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3561443 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561443
Mfg#:
079959231L
Ships in 1-2 days
5% off MSRP

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

$980.00

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

$930.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3649611 - 06F129101P - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator" - URO - Audi Volkswagen

Also called the "breather valve" or "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From production date 12/17/2005

Brand:
URO - Corporate Logo
ES#:
3649611
Mfg#:
06F129101P
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3690238 - 06H103495AK - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - Vaico - Audi

Also referred to as the breather valve or oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Vaico - Corporate Logo
ES#:
3690238
Mfg#:
06H103495AK
In Stock at Vendor
$185.99

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

$180.99 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 Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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