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Audi S4 Engine Emission Parts

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Oxygen Sensor - Priced Each

ES#1853398 - 1K0998262AB - 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
Fits left and right front position

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1853398
Mfg#:
1K0998262AB
Ships in 1-2 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.

$374.99

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

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Socket - 22mm

ES#4490396 - 4680-1 - Oxygen Sensor Socket - 22mm - Properly remove stubborn o2 sensors. - Hazet - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Properly remove stubborn o2 sensors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hazet - Corporate Logo
ES#:
4490396
Mfg#:
4680-1
Ships in 1 Business Day
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Suction Pump

ES#4858142 - 034-101-2008 - Vacuum Suction Pump - Show your car some love and replace the suction pump back to it's factory functionality. - 034Motorsport - Audi Volkswagen

Show your car some love and replace the suction pump back to it's factory functionality. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858142
Mfg#:
034-101-2008
Ships in 2 Business Days
$57.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thin Wall Oxygen Sensor Socket

ES#4001177 - CTA2064 - Thin Wall Oxygen Sensor Socket - Out of space? Use this thin wall socket. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Out of space? Use this thin wall socket. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4001177
Mfg#:
CTA2064
Back Ordered
Auto Notify
$17.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#281028 - 06E906265Q - Rear Oxygen Sensor - Priced Each - 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
Fits the left and right position

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281028
Mfg#:
06E906265Q
Ships in 2 Business 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.

$323.34

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

$316.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Control Solenoid (N249)

ES#3189517 - 667-106 - Valve Control Solenoid (N249) - Valve used to control combi valve operation - Dorman - Audi Volkswagen

Valve used to control combi valve operation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmissions only

Brand:
Dorman - Corporate Logo
ES#:
3189517
Mfg#:
667-106
Ships in 4 Business Days
$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Vent Tube

ES#4908009 - 06E103213 - Vent Tube - Sits on top of the oil separator/pcv assembly - URO - Audi

Sits on top of the oil separator/pcv assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO - Corporate Logo
ES#:
4908009
Mfg#:
06E103213
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#280575 - 06E103217AD - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - Genuine Volkswagen Audi - Audi

Connects to both valve covers to the PCV adapter vent tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to production date 4/30/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280575
Mfg#:
06E103217AD
Ships in 1-2 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.

$324.99

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

$302.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump

ES#4932571 - 8E0906201K - Leak Detection Pump - Diagnosis pump for fuel system - URO - Audi

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

Brand:
URO - Corporate Logo
ES#:
4932571
Mfg#:
8E0906201K
Ships in 1 Business Day
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve Repair Kit

ES#3426986 - 1C0906517AKT - Purge Valve Repair Kit - Common cure for DTC P0441 - Includes clamps to replace factory one-time-use clamps - Assembled By ECS - Audi Volkswagen

Common cure for DTC P0441 - Includes clamps to replace factory one-time-use 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#:
3426986
Mfg#:
1C0906517AKT
In Stock
ON SALE! SAVE 23%
$47.99

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

$36.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear

ES#3607764 - 8W0906265AJ - Oxygen Sensor - Rear - 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#:
3607764
Mfg#:
8W0906265AJ
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.

$303.99

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

$277.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor Thread Chaser

ES#4001163 - CTA2068 - Oxygen Sensor Thread Chaser - Remove rust and dirt for easy installation with this tool - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Remove rust and dirt for easy installation with this tool affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4001163
Mfg#:
CTA2068
Ships on Jun 23, 2026
Auto Notify
$11.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

ES#2718617 - 078131120K - EGR Valve Gasket - Priced Each - Ensure a proper seal - Elring - Audi Volkswagen

Ensure a proper seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718617
Mfg#:
078131120K
In Stock
$5.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Assembly

ES#3130040 - 078103235B - Pressure Control Valve (PCV) Assembly - Complete breather hose assembly that includes the PCV valve - Vaico - Audi

Complete breather hose assembly that includes the PCV valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Manual transmission vehicles up to VIN 8D-1-053000, split is in the 2001 model year

Brand:
Vaico - Corporate Logo
ES#:
3130040
Mfg#:
078103235B
Back Ordered
$265.99

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

$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RS5 Gas Cap

ES#4428997 - 8W0201550J - RS5 Gas Cap - Fuel filler cap with Audi 'RS' logo - Includes retaining strap - Genuine Volkswagen Audi - Audi

Fuel filler cap with Audi 'RS' logo - Includes retaining strap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4428997
Mfg#:
8W0201550J
Ships on Jun 24, 2026
9% off MSRP

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

$69.99

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

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap

ES#5341357 - 8K0201550N - Gas Cap - Includes seal and retaining strap - URO - Audi

Includes seal and retaining strap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO - Corporate Logo
ES#:
5341357
Mfg#:
8K0201550N
In Stock
$35.99 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

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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