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 Engine Parts & Accessories

Sort By
Filter By
Return to Top

Diverter Valve

ES#2878542 - 06A145710P - Diverter Valve - Cure the boost leak and restore power - Vaico Q+ - Audi Volkswagen

Cure the boost leak and restore power Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vaico Q+ - Corporate Logo
ES#:
2878542
Mfg#:
06A145710P
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2899093 - 4A0121350B - Radiator Fan Clutch - Stay cool at traffic lights. - Vemo - Audi

Stay cool at traffic lights. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
2899093
Mfg#:
4A0121350B
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW | Sensor, engine oil level

ES#4853155 - 03C907660S - VW | Sensor, engine oil level - Vemo - Audi Volkswagen

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
4853155
Mfg#:
03C907660S
Special Order: No Guaranteed ETA
$99.99 USD
Free Shipping
on orders $49 and up

VW | Fuel Feed Unit

ES#4857666 - 8K0919051AS - VW | Fuel Feed Unit - Vemo - Audi

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
4857666
Mfg#:
8K0919051AS
Special Order: No Guaranteed ETA
$567.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW | Alternator

ES#4853730 - 06E903019E - VW | Alternator - Vemo - Audi

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
4853730
Mfg#:
06E903019E
Special Order: No Guaranteed ETA
$882.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW | Starter

ES#4853744 - 06E911021F - VW | Starter - Vemo - Audi

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
4853744
Mfg#:
06E911021F
Special Order: No Guaranteed ETA
$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AUDI | Lambda Sensor

ES#4854885 - 1K0998262F - AUDI | Lambda Sensor - Vemo - Audi Volkswagen

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
4854885
Mfg#:
1K0998262F
Special Order: No Guaranteed ETA
$120.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Gasket

ES#4852722 - N0438083 - Radiator Fan Switch Gasket - Vemo Q+ - Audi Volkswagen

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo Q+ - Corporate Logo
ES#:
4852722
Mfg#:
N0438083
Special Order: No Guaranteed ETA
$2.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Kit

Keep your charging system operating at full potential, includes hardware! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818211
Mfg#:
06E903024L2KT
Back Ordered
$909.99

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

$883.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount Kit

Includes both engine mounts 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4810430
Mfg#:
4M0199371GM2KT
Back Ordered
ON SALE!
$470.99

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

$431.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Starter

Revive your ignition system Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!
For vehicles with Bosch style starters from production date 6/11/2013

Brand:
Bosch - Corporate Logo
ES#:
3419451
Mfg#:
06E911021F
Back Ordered
$648.99

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

$531.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shouldered Hex Nut - Priced Each

Install new hardware with your new parts. M8 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Used to secure the engine mounts (upper position)

Brand:
Bremmen Parts - Corporate Logo
ES#:
4992163
Mfg#:
N01508315
Special Order: No Guaranteed ETA
ON SALE! SAVE 46%
$2.99

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

$1.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

Prevent overheating and premature engine wear 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940301
Mfg#:
078121113F
Special Order: No Guaranteed ETA
ON SALE! SAVE 29%
$16.99

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

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

Knock Sensor - Blue (390mm)

Keep your engine running smoothly Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits left rear only

Brand:
FAE - Corporate Logo
ES#:
2862833
Mfg#:
079905377H
Back Ordered
$56.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Long Block Engine

Factory remanufactured complete Long Block - Includes a refundable $4750 core charge Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits from VIN 8E-4-400001 - Split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3187851
Mfg#:
079100031DXKT
Back Ordered
$27405.99

This product was last offered at the strikethrough price on
08-10-2026

$27244.99 USD
This product is lifetime replacement eligible Partial Replacement

Remanufactured Alternator - 120 Amps

Includes a $250 refundable core charge Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For cars that came with Bosch alternators. Please check existing alternator part number before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2580828
Mfg#:
038903018FXKT
Back Ordered
$1001.99

This product was last offered at the strikethrough price on
08-31-2026

$976.99 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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings