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Audi S4 Engine Parts & Accessories

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ES#5515737 - 06H121601N - Auxiliary Water Pump - Maintain continuous coolant circulation through heater core loops and post-shutdown cooling circuits with this OE-quality replacement auxiliary water pump. - Rein - Audi

Maintain continuous coolant circulation through heater core loops and post-shutdown cooling circuits with this OE-quality replacement auxiliary water pump. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5515737
Mfg#:
06H121601N
Ships in 1 Business Day
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3647471 - ST-AEVI-1103S - Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each  - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati

Brand:
Supertech - Corporate Logo
ES#:
3647471
Mfg#:
ST-AEVI-1103S
Back Ordered
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3172510 - 8D0199379K - Hydraulic Engine Mount - Priced Each - Reduce driveline vibrations with a new motor mount, fits left or right side - Corteco - Audi Volkswagen

Reduce driveline vibrations with a new motor mount, fits left or right side

Brand:
Corteco - Corporate Logo
ES#:
3172510
Mfg#:
8D0199379K
Ships in 1 day
$74.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3219163 - MS100135 -  APR Supercharger Drive Pulley Upgrade - Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. - APR - Audi Porsche

Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. Call In Or Chat For Best Price!
- APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple

Brand:
APR - Corporate Logo
ES#:
3219163
Mfg#:
MS100135
Ships in 5 Business Days
11% off MSRP

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

$250.99

This product was last offered at the strikethrough price on
11-03-2026

$222.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#452201 - 8K0898037A - Heater Core - Stop coolant loss and cure a fogged windshield - Genuine Volkswagen Audi - Audi

Stop coolant loss and cure a fogged windshield

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452201
Mfg#:
8K0898037A
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.

$513.99

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

$444.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#284634 - 079109469AA - Lower Guide Rail - Left Side - Located between the left idle gear and crankshaft on the main timing chain - Genuine Volkswagen Audi - Audi

Located between the left idle gear and crankshaft on the main timing chain

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284634
Mfg#:
079109469AA
Ships in 1 day
10% off MSRP

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

$98.99

This product was last offered at the strikethrough price on
10-26-2026

$88.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3697694 - 06E121045BD - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Vaico - Audi

Main supply pipe that connects to the upper radiator hose and the engine We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Vaico - Corporate Logo
ES#:
3697694
Mfg#:
06E121045BD
Ships in 1 Business Day
$228.99

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

$221.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3627536 - 06M260938J - Accessory Belt Drive Idler Pulley - Replace your worn idler pulley - Genuine Volkswagen Audi - Audi

Replace your worn idler pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3627536
Mfg#:
06M260938J
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.

$121.99

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

$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#284646 - 079109507G - Lower Timing Chain Tensioner - Tensioner between the crankshaft and accessory drive plate - Genuine Volkswagen Audi - Audi

Tensioner between the crankshaft and accessory drive plate

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284646
Mfg#:
079109507G
In Stock
7% off MSRP

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

$158.32

This product was last offered at the strikethrough price on
11-03-2026

$147.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#584 - 078109244H - Relay Roller - The idler pulley for the toothed timing belt - Ina - Audi Volkswagen

The idler pulley for the toothed timing belt We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
584
Mfg#:
078109244H
In Stock
$27.99

This product was last offered at the strikethrough price on
10-16-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818503 - 078121096AD - Coolant Hose - Connects coolant pipe to oil cooler housing - Bremmen Parts - Audi Volkswagen

Connects coolant pipe to oil cooler housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818503
Mfg#:
078121096AD
In Stock
ON SALE! SAVE 15%
$19.99

This product was last offered at the strikethrough price on
09-16-2026

$16.99 USD
Free Shipping
on orders $49 and up
ES#4476254 - 101905631G - Iridium Spark Plug - 2X longer service life compared to standard copper plugs! - Denso - Audi

2X longer service life compared to standard copper plugs!

Brand:
Denso - Corporate Logo
ES#:
4476254
Mfg#:
101905631G
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3181921 - 06M117015M - Engine Oil Cooler  - Lowers engine oil temperature - Genuine Volkswagen Audi - Audi

Lowers engine oil temperature

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181921
Mfg#:
06M117015M
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.

$483.99

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

$440.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4730404 - EBFI973801 - Active Engine Mount Cancellation Kit - Allows use of aftermarket engine mounts on vehicles equipped with active engine mounts without causing an error message. - Black Forest Industries - Audi

Allows use of aftermarket engine mounts on vehicles equipped with active engine mounts without causing an error message.

Brand:
Black Forest Industries - Corporate Logo
ES#:
4730404
Mfg#:
EBFI973801
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2772076 - 058133753D - Suction Pump - Restore engine performance - URO - Audi Volkswagen

Restore engine performance 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2772076
Mfg#:
058133753D
In Stock
$21.99 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

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