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Audi S4 Engine Parts & Accessories

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Radiator

ES#4905736 - 8E0121251AJ - Radiator - Keep your engine cool with a new radiator - Nissens - Audi

Keep your engine cool with a new radiator We Price Match - Give Us A Call or Chat!
Fits vehicles with automatic transmission ONLY

Brand:
Nissens - Corporate Logo
ES#:
4905736
Mfg#:
8E0121251AJ
In Stock
Limited Qty Sale
$308.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4173505 - 059906433C - Crankshaft Position Sensor - Also known as the RPM or speed sensor - Bremi - Audi

Also known as the RPM or speed sensor Up to the 2012 model year

Brand:
Bremi - Corporate Logo
ES#:
4173505
Mfg#:
059906433C
Ships in 2 Business Days
$47.99

This product was last offered at the strikethrough price on
07-15-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Round Seal - Priced Each

ES#3132779 - 06E121119K - Round Seal - Priced Each - Install a new o-ring for a proper seal. 31.9x3.3x5.3 - Genuine Volkswagen Audi - Audi

Install a new o-ring for a proper seal. 31.9x3.3x5.3

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132779
Mfg#:
06E121119K
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Locking Pin - Priced Each

ES#3715 - N90642001 - Locking Pin - Priced Each - Secures the engine cover to the mounting brackets. 5x18.2 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the engine cover to the mounting brackets. 5x18.2

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3715
Mfg#:
N90642001
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluidampr Overdrive Ring - 187mm

ES#3557475 - 651201cr187KT - Fluidampr Overdrive Ring - 187mm - Includes 1310mm belt for use with 57mm or 63mm supercharger pulleys - iABED Industries - Audi Porsche

Includes 1310mm belt for use with 57mm or 63mm supercharger pulleys Only for us with Fluidampr 651201C.

Brand:
iABED Industries - Corporate Logo
ES#:
3557475
Mfg#:
651201CR187KT
Back Ordered
$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Relay - 372

ES#3971010 - 4D0951253 - Fuel Pump Relay - 372 - Keep the fuel pump going - Meyle - Audi

Keep the fuel pump going 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3971010
Mfg#:
4D0951253
Ships in 1-2 days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - With ECS Magnetic Drain Plug

ES#1885265 - C6A6BKH5-40MD - Oil Service Kit - With ECS Magnetic Drain Plug - Includes OE oil filter, magnetic drain plug/washer, and 7 liters of Pentosin 5w-40 - Assembled By ECS - Audi

Includes OE oil filter, magnetic drain plug/washer, and 7 liters of Pentosin 5w-40 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
1885265
Mfg#:
C6A6BKH5-40MD
In Stock
ON SALE!
$160.99

This product was last offered at the strikethrough price on
09-14-2026

$149.60 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 180mm

ES#3438174 - CTS-HW-266-180 - CTS Turbo Supercharger Crank Pulley Upgrade - 180mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output *NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438174
Mfg#:
CTS-HW-266-180
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
09-29-2026

$303.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover - Right

ES#5491593 - 06E103472N - Valve Cover - Right - For cylinder 1-3 and includes the gasket and bolts - URO - Audi

For cylinder 1-3 and includes the gasket and bolts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5491593
Mfg#:
06E103472N
Ships in 2 Business Days
$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titan GT1 Longlife IV Engine Oil (0W-20) - 5 Liter

ES#4476209 - GE600201QDSP-5 - Titan GT1 Longlife IV Engine Oil (0W-20) - 5 Liter - Superior wear and tear protection under all operating conditions despite its extremely low viscosity. Meets VW 508 00/509 00 approval. - Fuchs - Audi Volkswagen

Superior wear and tear protection under all operating conditions despite its extremely low viscosity. Meets VW 508 00/509 00 approval.

Brand:
Fuchs - Corporate Logo
ES#:
4476209
Mfg#:
GE600201QDSP-5
Ships in 1-2 days
$100.99 USD
Free Shipping
on orders $49 and up

Coil Pack Seal - Priced Each

ES#2966564 - 058905261A - Coil Pack Seal - Priced Each - For use with "bolt down" style coil packs only - Elring - Audi Volkswagen

For use with "bolt down" style coil packs only 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2966564
Mfg#:
058905261A
In Stock
$3.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2678418 - 06J998907BKT3 - Fuel Injector Installation Kit - Includes the necessary o-rings and clips to replace the fuel injectors - Genuine Volkswagen Audi - Audi

Includes the necessary o-rings and clips to replace the fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678418
Mfg#:
06J998907BKT3
In Stock
$469.99

This product was last offered at the strikethrough price on
07-14-2026

$301.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#1848432 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848432
Mfg#:
N90136802
In Stock
10% off MSRP

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

$7.80

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

$7.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Drain Plug with Seal - M14x22x1.5mm - Price Each

ES#2834954 - N90813202 - Engine Oil Drain Plug with Seal - M14x22x1.5mm - Price Each - Includes crush washer. M14x1.5 - Febi - Audi

Includes crush washer. M14x1.5 We Price Match - Give Us A Call or Chat!
The Seal Washer is not available separately.

Brand:
Febi - Corporate Logo
ES#:
2834954
Mfg#:
N90813202
Ships in 1-2 days
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR Valve Gasket - Priced Each

ES#280852 - 06E131120B - EGR Valve Gasket - Priced Each - Ensure a proper seal - Genuine Volkswagen Audi - Audi

Ensure a proper seal

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280852
Mfg#:
06E131120B
In Stock
5% off MSRP

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

$11.33

This product was last offered at the strikethrough price on
08-03-2026

$10.75 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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Manufacturer names and/or part numbers are used only for identification purposes.

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