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Audi S4 Engine Parts & Accessories

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Electric Cooling Fan - Left (400mm)

ES#3189441 - 621-186 - Electric Cooling Fan - Left (400mm) - Keep your cooling system operating properly - Dorman - Audi

Keep your cooling system operating properly

Brand:
Dorman - Corporate Logo
ES#:
3189441
Mfg#:
621-186
Ships in 4 Business Days
$278.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2535131 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - URO - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535131
Mfg#:
N90316802
In Stock
$1.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Cam Follower - Priced Each

ES#4940085 - 058109309F - Intake Cam Follower - Priced Each - Replace your worn down followers - Bremmen Parts - Audi Volkswagen

Replace your worn down followers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940085
Mfg#:
058109309F
In Stock
ON SALE! SAVE 10%
$10.99

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

$9.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belly Pan & Installation Hardware Kit

ES#2622505 - 8E0863821ALKT - Belly Pan & Installation Hardware Kit - Includes a replacement belly pan with all necessary mounting hardware - Assembled By ECS - Audi

Includes a replacement belly pan with all necessary mounting hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2622505
Mfg#:
8E0863821ALKT
Ships on Dec 15, 2026
ON SALE! SAVE 20%
$276.99

This product was last offered at the strikethrough price on
11-04-2026

$221.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#250957 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Stribel - Audi

Controls the actuation of the radiator fan

Brand:
Stribel - Corporate Logo
ES#:
250957
Mfg#:
8D0959501D
Back Ordered
$275.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Oxygen Sensor - Priced Each

ES#4135682 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Denso - Audi

Keep your engine running efficiently Fits the left and right position

Brand:
Denso - Corporate Logo
ES#:
4135682
Mfg#:
06E906265Q
Ships in 2 Business Days
$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#452786 - 8K1819373AF - Heater Core Hose - Return - Connects the heater core to the hard water tube - Genuine Volkswagen Audi - Audi

Connects the heater core to the hard water tube Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452786
Mfg#:
8K1819373AF
Ships in 6 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.

$158.99

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

$137.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Guide Rail - Right

ES#3186735 - 06M109514F - Timing Chain Guide Rail - Right - Right rail on the chain that connects to the camshaft - Genuine Volkswagen Audi - Audi

Right rail on the chain that connects to the camshaft

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186735
Mfg#:
06M109514F
Ships in 1-2 days
15% off MSRP

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

$53.99

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

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug Washer - Priced Each

ES#4537 - 216-26031 - Drain Plug Washer - Priced Each - Replace with every oil service to prevent leaks. 26x1.5 - Elring - Audi Volkswagen

Replace with every oil service to prevent leaks. 26x1.5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4537
Mfg#:
216-26031
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Jackal Motorsports 3.0TFSI Throttle Body Adapter Harness

ES#4907951 - JACKAL-30T-H - Jackal Motorsports 3.0TFSI Throttle Body Adapter Harness - Install your 3.0T throttle body upgrade without the hassle of repinning your factory harness! - Jackal Motorsports - Audi

Install your 3.0T throttle body upgrade without the hassle of repinning your factory harness!

Brand:
Jackal Motorsports - Corporate Logo
ES#:
4907951
Mfg#:
JACKAL-30T-H
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#282068 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Genuine Volkswagen Audi - Audi Volkswagen

Does not include sealing O-Ring Lower temperature thermostat, stock is 87°C

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
282068
Mfg#:
075121113D
Ships in 1-2 days
8% off MSRP

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

$59.99

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

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

Billet Engine Oil Cap - Clear Anodized

ES#4030547 - 022735ecs0102AKT - Billet Engine Oil Cap - Clear Anodized - Lose the plastic! - ECS - Audi Volkswagen

Lose the plastic! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4030547
Mfg#:
022735ECS0102AKT
In Stock
ON SALE! SAVE 20%
$113.99

This product was last offered at the strikethrough price on
10-28-2026

$91.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro 5R Oiled Air Filter

ES#518083 - 30-10044 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - Audi BMW Volkswagen

Higher flow, higher performance - washable and reuseable!

Brand:
AFE - Corporate Logo
ES#:
518083
Mfg#:
30-10044
In Stock at Vendor
20% off MSRP

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

$113.75

This product was last offered at the strikethrough price on
11-04-2026

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4066918 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Denso - Audi

Fix leaks and keep your cooling system efficient Fits models with 6-Speed manual transmission only

Brand:
Denso - Corporate Logo
ES#:
4066918
Mfg#:
8K0121251H
Ships in 8 Business Days
$272.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner - Left

ES#3662281 - 06E109217Q - Upper Timing Chain Tensioner - Left - Applies tension to the upper left timing chain - Febi - Audi

Applies tension to the upper left timing chain We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Febi - Corporate Logo
ES#:
3662281
Mfg#:
06E109217Q
Ships in 2 Business Days
$273.99

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

$272.99 USD
Free Shipping
on orders $49 and up

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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Manufacturer names and/or part numbers are used only for identification purposes.

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