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Audi S4 Engine Parts & Accessories

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ES#3419391 - 8K0121212B - Supercharger Radiator - Left - This is the small radiator on the front left side - Behr - Audi

This is the small radiator on the front left side Up to the 2012 model year

Brand:
Behr - Corporate Logo
ES#:
3419391
Mfg#:
8K0121212B
Ships in 1 Business Day
$236.99

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

$197.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#6415 - 4A0805163 - Belly Pan Clip - Priced Each - Used in securing the belly pan to the fender liners - Genuine Volkswagen Audi - Audi Volkswagen

Used in securing the belly pan to the fender liners

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6415
Mfg#:
4A0805163
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5388893 - 034-145-Z057 - 034Motorsport Dynamic+ Supercharger Belt - 1290mm - Precision-manufactured to strict OEM dimensional specifications with advanced materials. High heat resistance to ensure long-term durability in extreme environments. - 034Motorsport - Audi

Precision-manufactured to strict OEM dimensional specifications with advanced materials. High heat resistance to ensure long-term durability in extreme environments. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5388893
Mfg#:
034-145-Z057
In Stock
$28.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#12056 - 026906283J - Solenoid Valve (N249) - Priced Each - Controls actuation of the Combi Valve or Diverter Valve - Genuine Volkswagen Audi - Audi Volkswagen

Controls actuation of the Combi Valve or Diverter Valve Often known as "N112 valve" - Automatic transmission vehicles only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
12056
Mfg#:
026906283J
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.

$224.99

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

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1904872 - 028010757M - Timing Belt Service Sticker - 100,000 Mile Interval - Keep track of your timing belt service - Genuine Volkswagen Audi - Audi Volkswagen

Keep track of your timing belt service

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1904872
Mfg#:
028010757M
Ships in 1 day
15% off MSRP

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

$32.99

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

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2678366 - 06E121111ADKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes
From production date 5/2/2011

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678366
Mfg#:
06E121111ADKT3
Ships in 1-2 days
ON SALE!
$208.99

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

$195.92 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2678365 - 06E121111ADKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes
Up to production date 5/1/2011

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678365
Mfg#:
06E121111ADKT2
Ships in 1-2 days
ON SALE!
$208.99

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

$195.92 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2102472 - SPR-H1002D-AU - SuperTech Valve Spring - Exhaust - Priced Each - Super Clean Chrome silicon Vanadium Steel alloy for the highest performance and durability at high rpm's. - Supertech - Audi Volkswagen

Super Clean Chrome silicon Vanadium Steel alloy for the highest performance and durability at high rpm's.

Brand:
Supertech - Corporate Logo
ES#:
2102472
Mfg#:
SPR-H1002D-AU
Ships in 5 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
ES#280805 - 06E121545 - Compressor Flange Water Hose - Left - Connects the supercharger flange to the hard water line - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the hard water line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280805
Mfg#:
06E121545
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2911858 - 06E115405C - Oil Filter Adapter - Secures to the engine block for housing the oil filter - Hamburg Tech - Audi Volkswagen

Secures to the engine block for housing the oil filter We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2911858
Mfg#:
06E115405C
Ships in 1 Business Day
$169.99

This product was last offered at the strikethrough price on
06-10-2026

$97.25 USD
Free Shipping
ES#2593114 - 079109229 - Main Engine Timing Chain - Replacement timing chain for required maintenance - Iwis - Audi

Replacement timing chain for required maintenance

Brand:
Iwis - Corporate Logo
ES#:
2593114
Mfg#:
079109229
In Stock
ON SALE! SAVE 20%
$34.54

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

$27.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4029660 - 034-106-3022-6 - Injector Adapter Hat - Short To Tall Set Of 6  - Includes injector o-ring seals. - 034Motorsport - Audi

Includes injector o-ring seals. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles that use RS4 injectors

Brand:
034Motorsport - Corporate Logo
ES#:
4029660
Mfg#:
034-106-3022-6
Ships in 2 Business Days
$96.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3557473 - 651201cr179KT - Fluidampr Overdrive Ring - 179mm - Includes 1300mm belt for use with 57mm or 63mm supercharger pulleys - iABED Industries - Audi Porsche

Includes 1300mm belt for use with 57mm or 63mm supercharger pulleys Only for us with Fluidampr 651201C.

Brand:
iABED Industries - Corporate Logo
ES#:
3557473
Mfg#:
651201CR179KT
Back Ordered
$203.99

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

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#283985 - 078198421 - Thrust Washer Set - Includes the upper and lower pieces - Genuine Volkswagen Audi - Audi

Includes the upper and lower pieces

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283985
Mfg#:
078198421
Ships in 1 day
12% off MSRP

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

$108.99

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

$95.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2540802 - 8K0145923F - Center Radiator Hose - Lower - Connects the lower center radiator to the hard water line - Genuine Volkswagen Audi - Audi

Connects the lower center radiator to the hard water line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540802
Mfg#:
8K0145923F
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.

$55.00

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

$47.99 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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