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Audi S4 Engine Parts & Accessories

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ES#2818853 - N90708803 - Speed Nut - Priced Each - Located in various places, including heat shields - Genuine Volkswagen Audi - Audi Volkswagen

Located in various places, including heat shields

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2818853
Mfg#:
N90708803
In Stock
44% off MSRP

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

$3.55

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

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2187572 - 078903133AB - Accessory Belt Tensioner - Keep your drive belt tight - URO - Audi Volkswagen

Keep your drive belt tight 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187572
Mfg#:
078903133AB
Ships in 2 Business Days
$37.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#10027 - 06c103485n - Oil Cap  - Ensure a proper seal and good looks with this new cap - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal and good looks with this new cap

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10027
Mfg#:
06C103485N
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.

$48.19

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

$42.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5374543 - 06M121115K - Thermostat Housing - Common point of failure for the cooling system. - Hamburg Tech - Audi

Common point of failure for the cooling system.

Brand:
Hamburg Tech - Corporate Logo
ES#:
5374543
Mfg#:
06M121115K
Ships in 2 Business Days
$150.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5526906 - TGK-0305-04 - Oil Filter Housing Conversion  - Eliminate failure points with a precision-machined 6061 aluminum housing that converts your engine from the problematic cartridge system to a superior canned filter system. - TGK Motorsport - Audi

Eliminate failure points with a precision-machined 6061 aluminum housing that converts your engine from the problematic cartridge system to a superior canned filter system.

Brand:
TGK Motorsport - Corporate Logo
ES#:
5526906
Mfg#:
TGK-0305-04
Ships in 6 Business Days
$299.99 USD
Free Shipping
ES#4932571 - 8E0906201K - Leak Detection Pump - Diagnosis pump for fuel system - URO - Audi

Diagnosis pump for fuel system 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
4932571
Mfg#:
8E0906201K
Ships in 2 Business Days
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3470642 - 017881ecs01KT2 - Transmission Street Shield Skid Plate Hardware Kit - Replacement hardware kit for your ECS Transmission Street Shield - ECS - Audi

Replacement hardware kit for your ECS Transmission Street Shield 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3470642
Mfg#:
017881ECS01KT2
In Stock
ON SALE! SAVE 20%
$124.99

This product was last offered at the strikethrough price on
06-13-2026

$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3220807 - 10.127.101TK - Audi 2.0T 2.5T 3.0T 4.0T 5.0T Fuel Pump Install Tool - For the 2.0T, 2.5T, 3.0T, 4.0T, & 5.0T engine fuel pump upgrade kits - Autotech - Audi Volkswagen

For the 2.0T, 2.5T, 3.0T, 4.0T, & 5.0T engine fuel pump upgrade kits

Brand:
Autotech - Corporate Logo
ES#:
3220807
Mfg#:
10.127.101TK
Ships in 3 Business Days
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3551 - 079133843A - Engine Air Filter - Keep your engine breathing fresh air - Hengst - Audi
ECS Tuning recommends this product.

Keep your engine breathing fresh air 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3551
Mfg#:
079133843A
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#307207 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose to the flange. 32mm - Genuine Volkswagen Audi - Audi Volkswagen

Secures the radiator hose to the flange. 32mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307207
Mfg#:
1J0121142
In Stock
21% off MSRP

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

$6.47

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

$5.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4708646 - 999871 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. - Race Chip - Audi

Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control.

Brand:
Race Chip - Corporate Logo
ES#:
4708646
Mfg#:
999871
Ships on Nov 27, 2026
$299.00 USD
Free Shipping
on orders $49 and up
ES#2564014 - 4G0199308N - Engine Mount Bracket - Right - Secured to the engine block - Genuine Volkswagen Audi - Audi

Secured to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2564014
Mfg#:
4G0199308N
Ships in 1-2 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.

$344.99

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

$298.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818462 - 06E121082C - Oil Cooler Hose - Return - Connects the oil cooler to the hard water tube - Bremmen Parts - Audi

Connects the oil cooler to the hard water tube 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818462
Mfg#:
06E121082C
In Stock
ON SALE! SAVE 15%
$10.99

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

$9.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810284 - 77-92005-MC - Scorcher High-Performance Ignition Coil - Set Of Six - Experience up to 20% more spark energy compared to your factory coils. - AFE - Audi

Experience up to 20% more spark energy compared to your factory coils.

Brand:
AFE - Corporate Logo
ES#:
4810284
Mfg#:
77-92005-MC
Ships in 4 Business Days
20% off MSRP

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

$372.99

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

$298.00 USD
Free Shipping
on orders $49 and up
ES#2158315 - 06E107065DM - Piston Assembly - Cylinders 4-6 - Priced Each - Includes piston rings, wrist pin, and circlips - Genuine Volkswagen Audi - Audi

Includes piston rings, wrist pin, and circlips

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2158315
Mfg#:
06E107065DM
In Stock
Limited Qty Sale
$297.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1598013 - 8K0145920C - Center Radiator Hose - Left - Connects the center radiator to the water pump and hard water line - Genuine Volkswagen Audi - Audi

Connects the center radiator to the water pump and hard water line Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598013
Mfg#:
8K0145920C
Ships in 1-2 days
10% off MSRP

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

$329.99

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

$297.99 USD
Free Shipping
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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