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

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Engine Parts & Accessories

Sort By
Filter By
Return to Top

Water Pump Pulley - 4 Bolt

ES#3181924 - 06M121031D - Water Pump Pulley - 4 Bolt - 4 Bolt pulley that attaches to the water pump - Genuine Volkswagen Audi - Audi

4 Bolt pulley that attaches to the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181924
Mfg#:
06M121031D
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.

$211.99

This product was last offered at the strikethrough price on
06-24-2026

$197.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Main Bearing Cap Bolts - Priced Each

ES#283236 - 078103039G - Main Bearing Cap Bolts - Priced Each - M11x1.5x77 - Secures the main caps over the crankshaft - Genuine Volkswagen Audi - Audi Volkswagen

M11x1.5x77 - Secures the main caps over the crankshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used for the "outer" location

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283236
Mfg#:
078103039G
In Stock
8% off MSRP

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

$36.00

This product was last offered at the strikethrough price on
06-24-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan

ES#2499506 - 8E0863821AL - Front Belly Pan - Keep your engine protected - Bremmen Parts - Audi

Keep your engine protected affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2499506
Mfg#:
8E0863821AL
Ships on Aug 24, 2026
Auto Notify
ON SALE! SAVE 20%
$197.99

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

$158.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rubber Grommet - Priced Each

ES#450311 - 8K0129669 - Rubber Grommet - Priced Each - Replace cracked or dried out components - Genuine Volkswagen Audi - Audi Volkswagen

Replace cracked or dried out components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450311
Mfg#:
8K0129669
In Stock
8% off MSRP

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

$12.99

This product was last offered at the strikethrough price on
06-24-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit

ES#4500722 - 079121111J1KT - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes thermostat with housing.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4500722
Mfg#:
079121111J1KT
Ships in 3 Business Days
$802.99

This product was last offered at the strikethrough price on
02-16-2026

$790.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

AWE Track Edition Conversion Kit - B8.5 S4/S5 - For 102mm Tips

ES#4044022 - 3820-41008 - AWE Track Edition Conversion Kit - B8.5 S4/S5 - For 102mm Tips - Looking to crank it up a notch? - AWE - Audi

Looking to crank it up a notch? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

For vehicles from the 2013 model year (Facelift)

Brand:
AWE - Corporate Logo
ES#:
4044022
Mfg#:
3820-41008
Ships on Jul 16, 2026
$410.00

This product was last offered at the strikethrough price on
05-11-2026

$395.00 USD
This product is lifetime replacement eligible Lifetime Replacement

AWE Track Edition Conversion Kit - B8/B8.5 S4/S5 - For 90mm Tips

ES#4044021 - 3820-41006 - AWE Track Edition Conversion Kit - B8/B8.5 S4/S5 - For 90mm Tips - Looking to crank it up a notch? - AWE - Audi

Looking to crank it up a notch? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4044021
Mfg#:
3820-41006
Ships on Jul 16, 2026
$410.00

This product was last offered at the strikethrough price on
05-11-2026

$395.00 USD
This product is lifetime replacement eligible Lifetime Replacement

JHM Front Mount Intercooler (FMIC) Kit - Black Couplers

ES#4046061 - FMICB5S4-BLACK - JHM Front Mount Intercooler (FMIC) Kit - Black Couplers - Tested and ran in JHM's record setting B5 S4 - Reduces charge temperatures and increases power - Proven real world performer! - JH Motorsports - Audi

Tested and ran in JHM's record setting B5 S4 - Reduces charge temperatures and increases power - Proven real world performer! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4046061
Mfg#:
FMICB5S4-BLACK
Ships on Jul 13, 2026
$789.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Upper Engine Timing Chain - Left

ES#4690009 - 079109229K - Upper Engine Timing Chain - Left - Replacement timing chain for required maintenance - Bremmen Parts - Audi

Replacement timing chain for required maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4690009
Mfg#:
079109229K
In Stock
ON SALE! SAVE 20%
$46.99

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

$37.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Set Of Eight

ES#2532291 - 077905115TKT - Ignition Coil - Set Of Eight - Keep your engine running strong - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532291
Mfg#:
077905115TKT
Ships in 3 Business Days
$786.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Anodized Black Plates with APR Red Coil Packs

ES#4428745 - 0026862ECSKT - 2.0T Coil Pack Conversion Kit - Anodized Black Plates with APR Red Coil Packs - Unload your ICM's and update your 2.7T ignition system! - ECS - Audi

Unload your ICM's and update your 2.7T ignition system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4428745
Mfg#:
0026862ECSKT
In Stock
ON SALE!
$866.99

This product was last offered at the strikethrough price on
06-13-2026

$785.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2677980 - 06E905115EKT7 - Ignition Service Kit - Includes six coil packs and spark plugs to service your ignition - Genuine Volkswagen Audi - Audi

Includes six coil packs and spark plugs to service your ignition affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2677980
Mfg#:
06E905115EKT7
Ships in 3 Business Days
$826.99

This product was last offered at the strikethrough price on
06-01-2026

$782.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley

ES#285124 - 079903119C - Alternator Pulley - Does not include securing hardware - Genuine Volkswagen Audi - Audi

Does not include securing hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-5-065001, split is in the 2005 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285124
Mfg#:
079903119C
Ships in 7 Business Days
6% off MSRP

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

$833.83

This product was last offered at the strikethrough price on
06-24-2026

$782.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan

ES#2535136 - 078103604AA - Oil Pan - Replace a cracked or broken pan - URO - Audi Volkswagen

Replace a cracked or broken pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535136
Mfg#:
078103604AA
In Stock
$41.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Kit

ES#3647475 - ST-AEVI-1103SKT1 - Supertech Inconel Exhaust Valve Kit - Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi

Stock sized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 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#:
3647475
Mfg#:
ST-AEVI-1103SKT1
Back Ordered
$779.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump

ES#3209959 - 07L127026AL - High Pressure Fuel Pump - Located on the left cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Located on the left cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3209959
Mfg#:
07L127026AL
Ships in 5 Business 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.

$819.99

This product was last offered at the strikethrough price on
06-24-2026

$777.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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