Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Exhaust Emission Parts

Sort By
Filter By
Return to Top

Exhaust Gasket - Priced Each

ES#4745717 - 8W0253115D - Exhaust Gasket - Priced Each - Between the exhaust manifold and downpipe, requires 2 - Elring - Audi

Between the exhaust manifold and downpipe, requires 2 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4745717
Mfg#:
8W0253115D
Ships on Jul 6, 2026
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#3690472 - 8K0253115K - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Elring - Audi

Seals the catalytic converter to the downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3690472
Mfg#:
8K0253115K
In Stock at Vendor
$7.99

This product was last offered at the strikethrough price on
04-20-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#5374145 - 8W0253115P - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Meistersatz - Audi

Seals the catalytic converter to the downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 01/28/2019

Brand:
Meistersatz - Corporate Logo
ES#:
5374145
Mfg#:
8W0253115P
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#4932174 - 8W0253115J - Exhaust Gasket - Priced Each - Seals the catalytic converter to the downpipe - Hamburg Tech - Audi

Seals the catalytic converter to the downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
4932174
Mfg#:
8W0253115J
Ships in 1 Business Day
$4.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Left

ES#2894883 - 06E131101E - EGR Valve - Left - Also known as the 'combi valve' - Vemo - Audi Volkswagen

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

Brand:
Vemo - Corporate Logo
ES#:
2894883
Mfg#:
06E131101E
In Stock at Vendor
$378.99

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

$367.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve - Right

Also known as the 'combi valve' 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#:
3537204
Mfg#:
06E131102B
Ships in 1 Business Day
$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Combi Valve / EGR Valve - Priced Each

ES#2955510 - 078131102T - Combi Valve / EGR Valve - Priced Each - Keep your emissions in check - Genuine Volkswagen Audi - Audi Volkswagen

Keep your emissions in check affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955510
Mfg#:
078131102T
Ships in 1 day
9% off MSRP

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

$474.99

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

$431.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Downpipe - Left

ES#2993198 - 8K0254300K - Exhaust Downpipe - Left - Connects the catalytic converter to the center exhaust muffler - Genuine Volkswagen Audi - Audi

Connects the catalytic converter to the center exhaust muffler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993198
Mfg#:
8K0254300K
Ships in 1 day
7% off MSRP

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

$813.99

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

$757.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

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

Brand:
Walker - Corporate Logo
ES#:
2598469
Mfg#:
06E906265Q
Ships in 1 day
$163.99

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

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

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

Brand:
Walker - Corporate Logo
ES#:
3551566
Mfg#:
1K0998262AB
Ships in 1 day
$142.99

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

$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Downpipe - Right

ES#2955163 - 8K0254354B - Exhaust Downpipe - Right - Connects the catalytic converter to the center exhaust muffler - Genuine Volkswagen Audi - Audi

Connects the catalytic converter to the center exhaust muffler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2955163
Mfg#:
8K0254354B
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.

$813.99

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

$757.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Left

ES#2532865 - 8E0254505RXKT - Remanufactured Catalytic Converter - Left - Price includes a $210 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes a $210 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532865
Mfg#:
8E0254505RXKT
Ships in 6 Business Days
$3349.99

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

$3312.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Catalytic Converter

Price includes a $275.00 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4220359
Mfg#:
8W0254252TXKT
Ships in 6 Business Days
$4396.99

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

$3629.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Catalytic Converter - Right

Price includes a $210 refundable core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532863
Mfg#:
8E0254554PXKT
Ships in 7 Business Days
$3209.99

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

$3173.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gasket - Priced Each

ES#5340894 - 8D0253115F - Exhaust Gasket - Priced Each - Seal the turbocharger to the downpipe - Elring - Audi

Seal the turbocharger to the downpipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340894
Mfg#:
8D0253115F
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Exhaust Emission Parts

Oxygen sensors, catalytic converters, and other critical emissions components not only cause Check Engine Lights when they fail, but they'll also keep you from registering your car. Make sure your emissions system is functioning properly so you can continue to drive your car legally.

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings