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Audi S4 Engine Parts & Accessories

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ES#450285 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450285
Mfg#:
8K0121251H
Ships in 1 day
18% off MSRP

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

$583.32

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

$475.41 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2265 - N138492 5PACK - Copper Drain Plug Washer - Pack Of 5 - Replace with every oil service to prevent leaks. M14x20x1.5 - Victor Reinz - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5

Brand:
Victor Reinz - Corporate Logo
ES#:
2265
Mfg#:
N138492 5PACK
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#11920 - 1J0973705 - Mass Air Flow Connector Housing - Female Connector - Contact housing for the MAF sensor - Genuine Volkswagen Audi - Audi

Contact housing for the MAF sensor Fits from the 2001 model year for vehicles with Hitachi style MAF

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11920
Mfg#:
1J0973705
Ships in 2 Business Days
7% off MSRP

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

$26.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#467512 - N10156205 - Hexagon Socket head bolt - Priced Each - M6x30 bolt used in various areas on your European vehicle - Genuine Volkswagen Audi - Audi

M6x30 bolt used in various areas on your European vehicle Secures the main timing chain tensioner to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467512
Mfg#:
N10156205
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2862424 - 06E117021G - Oil Cooler - Common source of undiscoverable coolant leaks - Nissens - Audi Volkswagen

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2862424
Mfg#:
06E117021G
Ships in 2 Business Days
$241.20

This product was last offered at the strikethrough price on
10-01-2026

$236.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#310584 - 1J0919133B - In-Tank Fuel Pump Gasket  - Located between the retaining ring and fuel tank - Genuine Volkswagen Audi - Audi Volkswagen

Located between the retaining ring and fuel tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
310584
Mfg#:
1J0919133B
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
ES#4846426 - VWR900003-6KT - RacingLine Higher Output Ignition Coils - Red - Set of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. To be used with the 2.0T coil pack conversion kits.

Brand:
Racingline - Corporate Logo
ES#:
4846426
Mfg#:
VWR900003-6KT
Ships on Nov 23, 2026
$236.04 USD
Free Shipping
on orders $49 and up
ES#4871908 - 06E903341A - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Bremmen Parts - Audi

Also referred to as the 'relay roller' 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871908
Mfg#:
06E903341A
In Stock
ON SALE!
$16.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3021938 - EBFIB56ES2 - BFI Stage 2 Engine Mount - Priced Each - Keep your engine planted and transfer as much power to the ground as possible - Black Forest Industries - Audi Volkswagen

Keep your engine planted and transfer as much power to the ground as possible

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021938
Mfg#:
EBFIB56ES2
Ships on Nov 25, 2026
$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3183574 - 079103121AD - Oil Cooler O-Ring - Priced Each - Seals the connection between the oil cooler and the engine - Victor Reinz - Audi

Seals the connection between the oil cooler and the engine

Brand:
Victor Reinz - Corporate Logo
ES#:
3183574
Mfg#:
079103121AD
In Stock
$5.99

This product was last offered at the strikethrough price on
08-25-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5374068 - 20036-0050-99 - Hightec SYNTH RS Longlife IV SAE 0W-20 - 5 Liter - Premium quality, synthetic, multigrade low-friction engine oil with outstanding fuel-saving potential. - ROWE - Audi Volkswagen

Premium quality, synthetic, multigrade low-friction engine oil with outstanding fuel-saving potential.

Brand:
ROWE - Corporate Logo
ES#:
5374068
Mfg#:
20036-0050-99
In Stock
$66.99 USD
Free Shipping
on orders $49 and up
ES#283463 - 078109119J - Timing Belt - The most important belt on your engine - Genuine Volkswagen Audi - Audi Volkswagen

The most important belt on your engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283463
Mfg#:
078109119J
Ships in 1 day
8% off MSRP

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

$169.99

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

$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#281002 - 06E903137Q - Accessory Belt - Replace your cracked or worn belt - Genuine Volkswagen Audi - Audi

Replace your cracked or worn belt Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281002
Mfg#:
06E903137Q
In Stock
2% off MSRP

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

$118.99

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

$116.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4858154 - 034-102-1004 - Radiator Relocation Kit - The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. - 034Motorsport - Audi

The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles doing an engine swap only, not intended for OE usage

Brand:
034Motorsport - Corporate Logo
ES#:
4858154
Mfg#:
034-102-1004
Ships in 2 Business Days
$465.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551556 - 079133062C - Throttle Body Assembly - Priced Each - Includes the throttle position sensor - Hudson - Audi Volkswagen

Includes the throttle position sensor

Brand:
Hudson - Corporate Logo
ES#:
3551556
Mfg#:
079133062C
Ships in 1 day
$464.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159245 - 079959231L - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi

Keep your engine running efficiently Up to the 2012 model year

Brand:
Pierburg - Corporate Logo
ES#:
4159245
Mfg#:
079959231L
Ships in 1 day
$745.99

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

$462.98 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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