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Audi S4 Engine Emission Parts

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ES#4932569 - 079959231C - Secondary Air Injection Pump - Keep your engine running efficiently - URO - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
URO - Corporate Logo
ES#:
4932569
Mfg#:
079959231C
In Stock
$272.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3604972 - 06M906265 - Front Oxygen Sensor  - 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#:
3604972
Mfg#:
06M906265
Ships in 1-2 days
9% off MSRP

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

$298.99

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

$272.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4738951 - 06E133781K - Purge Valve With Connecting Tube  - Keep your engine running smooth - Vaico - Audi

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits from the 2013 model year

Brand:
Vaico - Corporate Logo
ES#:
4738951
Mfg#:
06E133781K
Ships in 3 Business Days
$80.99

This product was last offered at the strikethrough price on
04-05-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4135677 - 06E906265AJ - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Denso - Audi

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

Brand:
Denso - Corporate Logo
ES#:
4135677
Mfg#:
06E906265AJ
In Stock
$266.99

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

$258.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3642149 - 8W0201801N - EVAPCANIST - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3642149
Mfg#:
8W0201801N
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.

$783.99

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

$743.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4840347 - 1K0201557A - Gas Cap Seal - Seals the connection between the gas cap and filler neck - URO - Audi Volkswagen

Seals the connection between the gas cap and filler neck 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#:
4840347
Mfg#:
1K0201557A
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4159245 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Pierburg - Corporate Logo
ES#:
4159245
Mfg#:
079959231L
In Stock at Vendor
$745.99

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

$724.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3712315 - 06E145100R - 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#:
3712315
Mfg#:
06E145100R
Ships in 3 Business Days
$712.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3648509 - 06e103547acKT - Basic Pressure Control Valve (PCV) Kit - This valve sits in the engine valley, beneath the supercharger compressor. - Genuine Volkswagen Audi - Audi

This valve sits in the engine valley, beneath the supercharger compressor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to the 2012 year model

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648509
Mfg#:
06E103547ACKT
Ships in 1-2 days
$350.99

This product was last offered at the strikethrough price on
04-09-2026

$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804359 - 077103245BKT4 - Pressure Control Valve (PCV) - Also called the "breather valve" or "oil separator". Includes hose clamps - Assembled By ECS - Audi Volkswagen

Also called the "breather valve" or "oil separator". Includes hose clamps 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#:
2804359
Mfg#:
077103245BKT4
In Stock
ON SALE! SAVE 38%
$33.99

This product was last offered at the strikethrough price on
01-03-2026

$20.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3648514 - 06e103547abKT - Pressure Control Valve (PCV) Kit  - This valve sits in the engine valley, beneath the supercharger compressor. - Genuine Volkswagen Audi - Audi

This valve sits in the engine valley, beneath the supercharger compressor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2013 year model

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648514
Mfg#:
06E103547ABKT
In Stock
$337.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diagnosis pump for fuel system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4057654
Mfg#:
8E0906201K
In Stock at Vendor
$678.99

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

$659.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2831942 - 06E103772G - Oil Separator/Pressure Control Valve (PCV) Repair Kit - Replaces the common failure points of your PCV assembly. Includes diaphragm, spring, and cover. - Genuine Volkswagen Audi - Audi

Replaces the common failure points of your PCV assembly. Includes diaphragm, spring, and cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831942
Mfg#:
06E103772G
Ships in 4 Business 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.

$50.99

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

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4070827 - 06E133781A - EVAP Purge Valve (11.5mm)  - Also known as the 'N80' valve - Keep your engine running smooth! - Vaico - Audi

Also known as the 'N80' valve - Keep your engine running smooth! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4070827
Mfg#:
06E133781A
In Stock at Vendor
$133.99

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

$130.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#259455 - 8E0201553E - Gas Cap - Replace your leaking cap or the one left at the pump - Genuine Volkswagen Audi - Audi

Replace your leaking cap or the one left at the pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259455
Mfg#:
8E0201553E
Ships on Jun 8, 2026
8% off MSRP

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

$70.99

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

$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2104010 - 1K0201557A - Gas Cap Seal - Seals the connection between the gas cap and filler neck - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the gas cap and filler neck affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2104010
Mfg#:
1K0201557A
In Stock
19% off MSRP

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

$21.58

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

$17.48 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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