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Audi S4 Engine Parts & Accessories

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Cooling System Refresh Kit

ES#3677363 - 079121111jKT6 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit, with Genuine Coolant. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit, with Genuine Coolant. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Includes thermostat with housing.

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677363
Mfg#:
079121111JKT6
Ships in 9 Business Days
$674.99

This product was last offered at the strikethrough price on
09-02-2026

$668.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Timing Belt Tensioning Roller

ES#3170992 - 078109243S - Timing Belt Tensioning Roller - Applies the pressure from the damper to the timing belt - MTC - Audi Volkswagen

Applies the pressure from the damper to the timing belt Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
MTC - Corporate Logo
ES#:
3170992
Mfg#:
078109243S
Ships in 10 Business Days
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay Roller

ES#514278 - 078109244H - Relay Roller - The idler pulley for the toothed timing belt - MTC - Audi Volkswagen

The idler pulley for the toothed timing belt Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
MTC - Corporate Logo
ES#:
514278
Mfg#:
078109244H
Ships in 10 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 MPI Kit

ES#4431015 - 601-0182 - Audi B8/B8.5 MPI Kit - Engineered for achieving the highest performance from your 3.0T! - Precision Raceworks - Audi

Engineered for achieving the highest performance from your 3.0T! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Precision Raceworks - Corporate Logo
ES#:
4431015
Mfg#:
601-0182
Ships in 10 Business Days
$1899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Timing Belt Idler Pulley

ES#4389896 - 078109244H - Engine Timing Belt Idler Pulley - SKF - Audi Volkswagen

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
SKF - Corporate Logo
ES#:
4389896
Mfg#:
078109244H
Ships in 10 Business Days
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Long Block Assembly

Brand new unit - including everything from the oil pan to the valve covers, omitting auxiliary components. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Please contact with VIN to verify correct fitment before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280514
Mfg#:
06E100032A
Ships in 10 Business Days
4% off MSRP

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

$25601.99

This product was last offered at the strikethrough price on
07-31-2026

$24449.99 USD

Speed Nut - Priced Each

Fits silver colored screws with attached washer Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Used in securing the belly pan to the vehicle

Brand:
MTC - Corporate Logo
ES#:
5396279
Mfg#:
8D0805960
Ships in 10 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

Blue sensor used by the ECU to control engine fueling Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
MTC - Corporate Logo
ES#:
2090796
Mfg#:
025906041
Ships in 10 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seal

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
SKF - Corporate Logo
ES#:
4389825
Mfg#:
038103085E
Ships in 10 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump Bracket

ES#450346 - 8K0145879B - Auxiliary Water Pump Bracket - Front location bracket used to secure the auxiliary water pump - Genuine Volkswagen Audi - Audi

Front location bracket used to secure the auxiliary water pump Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450346
Mfg#:
8K0145879B
Ships on Nov 16, 2026
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector- Priced Each

Replace your old and failing injectors Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with production date from 06/15/2020

Brand:
Bosch - Corporate Logo
ES#:
5528367
Mfg#:
06M906036AP
Ships in 10 Business Days
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECU Cover - Lower

Keep your engine control unit protected Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2564766
Mfg#:
8K1907355F
Ships on Nov 16, 2026
14% off MSRP

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

$124.99

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

$107.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hard Pipe

Connects to 8W0819332E Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3497185
Mfg#:
06M121075S
Ships on Nov 13, 2026
11% off MSRP

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

$80.00

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

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Follower/Hydraulic Lifter - Priced Each

ES#2800266 - 034109309AD - Cam Follower/Hydraulic Lifter - Priced Each - Constant contact with the camshaft wears these down - Ajusa - Audi Volkswagen

Constant contact with the camshaft wears these down Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Ajusa - Corporate Logo
ES#:
2800266
Mfg#:
034109309AD
Ships on Nov 16, 2026
$26.99 USD
Free Shipping
on orders $49 and up

Audi RS4 / S4 B5 Upgraded Bosch Injectors (short)

Bosch EV14 980cc Injectors (Set of 6) Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4908531
Mfg#:
TTE10490
Ships on Nov 16, 2026
$549.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

TTE810+ Turbo Upgrade - Send In Your Turbos

Pair this with the Integrated Engineering or 034 Motorsports stage 3 tune for 600+hp! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4751302
Mfg#:
TTE10494.1
Ships on Nov 16, 2026
$3492.99 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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