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Audi S4 Engine Parts & Accessories

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

Replace cracked or dried out components Used to secure the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450311
Mfg#:
8K0129669
In Stock
15% 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
10-07-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858179 - 034-106-3030 - 550cc Bosch EV14 Fuel Injector - Priced Each  - The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. - Bosch - Audi

The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4858179
Mfg#:
034-106-3030
Ships in 2 Business Days
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#798 - 441201511C - Fuel Filter - Restore fuel mileage and performance - Bosch - Audi Volkswagen

Restore fuel mileage and performance We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
798
Mfg#:
441201511C
Ships in 1 Business Day
$32.65

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

$32.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4043314 - 2660-13026 - AWE S-FLO Carbon Intake - Audi B8.5 S4/S5 3.0T - Gains of 15 hp and 11 ft-lbs of torque! Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade. - AWE - Audi

Gains of 15 hp and 11 ft-lbs of torque! Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4043314
Mfg#:
2660-13026
Ships on Nov 20, 2026
15% off MSRP

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

$758.99

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

$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3647477 - ST-AEVI-1106SKT1 - Supertech Inconel Exhaust Valve Kit - +1mm oversized 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

+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes
*Oversized valves require extra machine work to the cylinder head.*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647477
Mfg#:
ST-AEVI-1106SKT1
Back Ordered
$644.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4642914 - 034-108-5042 - SuperDuper Turbo Inlet Pipe + X34 SuperDuper Conversion Kit  - Includes conversion kit to to convert your X34 Intake from a stock turbo sized inlet to our larger SuperDuper Turbo Inlet Pipe. - 034Motorsport - Audi

Includes conversion kit to to convert your X34 Intake from a stock turbo sized inlet to our larger SuperDuper Turbo Inlet Pipe. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4642914
Mfg#:
034-108-5042
Ships in 2 Business Days
$322.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#451163 - 8K0805201 - Lower Radiator Mounting Bracket - Priced Each - Support bracket that holds the bushings for the radiator - Genuine Volkswagen Audi - Audi

Support bracket that holds the bushings for the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451163
Mfg#:
8K0805201
Ships in 2 Business Days
12% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
06-03-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. 2X Entries Into Our F80 M3 Sweepstakes
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2587686 - 8D0805121KT -  Front Belly Pan Installation Hardware Kit - Includes required hardware to secure the front belly pan - Assembled By ECS - Audi

Includes required hardware to secure the front belly pan 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587686
Mfg#:
8D0805121KT
In Stock
ON SALE!
$127.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#450283 - 8K0121207D - dual fan cowl - Attaches to the core support to house the radiator and condenser fans - Genuine Volkswagen Audi - Audi

Attaches to the core support to house the radiator and condenser fans Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450283
Mfg#:
8K0121207D
Ships in 4 Business Days
13% off MSRP

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

$729.99

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

$632.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#285156 - 079905377E - SENSOR - Fits left front & right rear - Genuine Volkswagen Audi - Audi

Fits left front & right rear Fits left front & right rear

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285156
Mfg#:
079905377E
Ships in 1 day
13% off MSRP

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

$143.99

This product was last offered at the strikethrough price on
10-05-2026

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5477639 - TGK-0308-03 - HPFP Rebuild Kit -Audi - 3.0T / 2.0T - Directly replaces worn factory seals with upgraded components, eliminating leaks and ensuring consistent fuel pressure delivery. - TGK Motorsport - Audi

Directly replaces worn factory seals with upgraded components, eliminating leaks and ensuring consistent fuel pressure delivery.

Brand:
TGK Motorsport - Corporate Logo
ES#:
5477639
Mfg#:
TGK-0308-03
In Stock
$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#284650 - 079109510E - Lower Guide Rail - The lower chain guide on the right timing chain - Genuine Volkswagen Audi - Audi

The lower chain guide on the right timing chain

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284650
Mfg#:
079109510E
Ships in 1 Business Day
29% off MSRP

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

$125.99

This product was last offered at the strikethrough price on
10-20-2026

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1832070 - fmbv050c - Manual Boost Controller - Polished - Lockable under-hood boost controller - Forge - Audi Volkswagen MINI Porsche

Lockable under-hood boost controller

Brand:
Forge - Corporate Logo
ES#:
1832070
Mfg#:
FMBV050C
Ships in 4 Business Days
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4727524 - WHT004793A - Vent Tube O-Ring - Priced Each - 23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger. High temperature Viton replacement o-ring. - Bremmen Parts - Audi

23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger. High temperature Viton® replacement o-ring. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4727524
Mfg#:
WHT004793A
In Stock
ON SALE!
$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2763706 - 06E121111ALKT5 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2763706
Mfg#:
06E121111ALKT5
In Stock
$163.99

This product was last offered at the strikethrough price on
06-18-2026

$156.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

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