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Audi A4 Engine Emission Parts

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ES#319091 - 1K0998262N - Oxygen Sensor -Left (Cylinders 4-6)  - Found before the catalytic converter - Genuine Volkswagen Audi - Audi Volkswagen

Found before the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
319091
Mfg#:
1K0998262N
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.

$462.99

This product was last offered at the strikethrough price on
06-07-2026

$431.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
Engine codes ATW & AWM from VIN 8D-Y-100001, 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
ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock
$212.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

$449.99

This product was last offered at the strikethrough price on
06-07-2026

$419.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2631446 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe. 19mm - Vaico - 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:
Vaico - Corporate Logo
ES#:
2631446
Mfg#:
034129101B
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2602137 - 06B103245 - Pressure Control Valve (PCV) - Priced Each - Located under the intake manifold - Vaico Q+ - Audi Volkswagen

Located under the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-3-040001 up to VIN 8E-3-500000, splits are in the 2003 model year

Brand:
Vaico Q+ - Corporate Logo
ES#:
2602137
Mfg#:
06B103245
In Stock at Vendor
$44.99

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

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4376432 - 1C0 906 517A - Purge Valve - Common cure for DTC P0441 - URO - Audi Volkswagen

Common cure for DTC P0441 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#:
4376432
Mfg#:
1C0 906 517A
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280453 - 06D145117 - Vacuum Pump Seal - Seal between cylinder head and vacuum pump - 53mm - Genuine Volkswagen Audi - Audi Volkswagen

Seal between cylinder head and vacuum pump - 53mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For use with vacuum pump part number 06D 145 100E only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280453
Mfg#:
06D145117
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.

$17.99

This product was last offered at the strikethrough price on
01-07-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#281346 - 06H103464L - Secondary Oil Separator - Mounted to the side of the engine block - Genuine Volkswagen Audi - Audi Volkswagen

Mounted to the side of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281346
Mfg#:
06H103464L
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.

$437.99

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

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3183737 - 06E103547PKT - Pressure Control Valve Service Kit  - Complete kit to service the PCV/Oil separator located underneath the intake manifold - Assembled By ECS - Audi

Complete kit to service the PCV/Oil separator located underneath the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3183737
Mfg#:
06E103547PKT
Ships in 2 Business Days
ON SALE! SAVE 19%
$249.99

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

$201.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3546741 - 06D145117A - Vacuum Pump Gasket - Recommended to be replaced when replacing vacuum pump - 56mm - Elring - Audi Volkswagen

Recommended to be replaced when replacing vacuum pump - 56mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For use with vacuum pump part numbers 06D 145 100F & 06D 145 100G only

Brand:
Elring - Corporate Logo
ES#:
3546741
Mfg#:
06D145117A
In Stock
$5.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4342719 - 06H103495AE - Pressure Control Valve (PCV) - Also referred to as the breather valve or oil separator - Febi - 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:
Febi - Corporate Logo
ES#:
4342719
Mfg#:
06H103495AE
Ships on Sep 2, 2026
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5446825 - 06H103495AKKT - Oil Separator/PCV Emissions Service Kit - Everything you need to replace a faulty PCV or to perform some preventative maintenance - Hamburg Tech - Audi

Everything you need to replace a faulty PCV or to perform some preventative maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 3/31/2012 - Please check existing part number before ordering

Brand:
Hamburg Tech - Corporate Logo
ES#:
5446825
Mfg#:
06H103495AKKT
In Stock
$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#281349 - 06H103484A - Pressure Control Valve Gasket - Ensure a proper seal for the PCV or oil separator - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal for the PCV or oil separator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281349
Mfg#:
06H103484A
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.

$60.99

This product was last offered at the strikethrough price on
06-07-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3714097 - 06D145100H - Vacuum Pump - Generates vacuum when under positive pressure - Rein - Audi Volkswagen

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:
Rein - Corporate Logo
ES#:
3714097
Mfg#:
06D145100H
Ships in 3 Business Days
$397.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3438274 - 06E131101K - EGR Valve - Left - Also known as the 'combi valve' - Pierburg - Audi

Also known as the 'combi valve' affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
3438274
Mfg#:
06E131101K
Ships in 4 Business Days
$99.99

This product was last offered at the strikethrough price on
02-10-2026

$98.99 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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