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

Auxiliary Fan Blade

ES#2813132 - 078121301E - Auxiliary Fan Blade - For the belt driven auxiliary fan - Hamburg Tech - Audi Volkswagen

For the belt driven auxiliary fan We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813132
Mfg#:
078121301E
Ships in 1 Business Day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#470572 - N90707502 - Bolt - Priced Each - Install new hardware with your new parts. M8x100x41 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x100x41

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470572
Mfg#:
N90707502
Ships in 1-2 days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin - Priced Each

ES#2539060 - 8D0805121 - Dowel Pin - Priced Each - Secures the belly pan to the vehicle. 6x18 - Vaico - Audi Volkswagen

Secures the belly pan to the vehicle. 6x18 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2539060
Mfg#:
8D0805121
Ships in 3 Business Days
$9.99

This product was last offered at the strikethrough price on
08-13-2026

$6.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Throttle Body to Check Valve Hose

ES#4030581 - 034-101-3048 - Silicone Throttle Body to Check Valve Hose - Includes hose clamps! - 034Motorsport - Audi

Includes hose clamps! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4030581
Mfg#:
034-101-3048
Ships in 2 Business Days
$26.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#3520837 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Holstein - Audi Volkswagen

Measures cam position and relays it to the ECU

Brand:
Holstein - Corporate Logo
ES#:
3520837
Mfg#:
058905161B
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Crankshaft Seal

ES#5340275 - 079103051G - Front Crankshaft Seal - Keep your engine fresh and leak free - Elring - Audi

Keep your engine fresh and leak free 2X Entries Into Our F80 M3 Sweepstakes
From VIN 8E-4-163756, split is in the 2004 model year

Brand:
Elring - Corporate Logo
ES#:
5340275
Mfg#:
079103051G
Ships on Dec 2, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TITAN GT1 Engine Oil (5w-40) - 1 Liter

ES#3141473 - ZVW352540S - TITAN GT1 Engine Oil (5w-40) - 1 Liter - Premium engine oil for passenger vehicles - Fuchs - Audi Volkswagen

Premium engine oil for passenger vehicles

Brand:
Fuchs - Corporate Logo
ES#:
3141473
Mfg#:
ZVW352540S
Back Ordered
$13.99

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

$12.99 USD
Free Shipping
on orders $49 and up

Countersink Oval Bolt - Priced Each

ES#468324 - N10505404 - Countersink Oval Bolt - Priced Each - M6x20 - Genuine Volkswagen Audi - Audi

M6x20 Secures idler pulley mounting bracket - Two required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468324
Mfg#:
N10505404
Ships in 1-2 days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Retaining Bolt

ES#3153110 - N91238501 - Timing Chain Retaining Bolt - Holds the right side timing chain guide in place - Genuine Volkswagen Audi - Audi Volkswagen

Holds the right side timing chain guide in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3153110
Mfg#:
N91238501
In Stock
34% off MSRP

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

$1.50

This product was last offered at the strikethrough price on
10-31-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Plastic Dowel Pin - Pack Of 25

Secures the belly pan to the fender liners 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940358
Mfg#:
4A0805121A
Special Order: No Guaranteed ETA
ON SALE!
$25.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Head Self Tapping Screw (4.8 X 16 Mm) - Pack Of 25

Install new hardware with your new parts. 4.8x16 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4939993
Mfg#:
N90775001
Special Order: No Guaranteed ETA
ON SALE!
$25.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Standard Turbo Inlet Pipe Adapter Ring TS2 - 61.2mm

ES#4858428 - 034-108-Z124 - Standard Turbo Inlet Pipe Adapter Ring TS2 - 61.2mm - These Turbo Inlet Adapter Rings are designed to be a smooth transition between the turbocharger and accompanying Turbo Inlet. - 034Motorsport - Audi

These Turbo Inlet Adapter Rings are designed to be a smooth transition between the turbocharger and accompanying Turbo Inlet. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858428
Mfg#:
034-108-Z124
Ships in 2 Business Days
$25.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Relay Roller

ES#1306668 - 078109244H - Relay Roller - The idler pulley for the toothed timing belt - GMB - Audi Volkswagen

The idler pulley for the toothed timing belt

Brand:
GMB - Corporate Logo
ES#:
1306668
Mfg#:
078109244H
Ships in 1 Business Day
$25.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purge Valve

ES#2814234 - 1C0906517A - Purge Valve - Common cure for DTC P0441 - Hamburg Tech - Audi Volkswagen

Common cure for DTC P0441 We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814234
Mfg#:
1C0906517A
Ships in 1 Business Day
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Right

Stop oil leaks and prevent internal engine damage

Brand:
Victor Reinz - Corporate Logo
ES#:
3971099
Mfg#:
06E103484N
Ships in 1 Business Day
$98.99

This product was last offered at the strikethrough price on
07-23-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3463358 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Hudson - Audi Volkswagen

Connects the lower radiator port to the thermostat housing

Brand:
Hudson - Corporate Logo
ES#:
3463358
Mfg#:
8D0121055T
Ships in 3 Business Days
$24.99 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