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Audi S4 Engine Parts & Accessories

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Seal

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SKF - Corporate Logo
ES#:
4389825
Mfg#:
038103085E
Ships in 9 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Timing Belt Idler Pulley

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SKF - Corporate Logo
ES#:
4389896
Mfg#:
078109244H
Ships in 9 Business Days
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 2

ES#4691355 - 8W1121405N1KT - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4691355
Mfg#:
8W1121405N1KT
Ships in 10 Business Days
$434.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Complete Long Block Assembly

Brand new unit - including everything from the oil pan to the valve covers, omitting auxiliary components. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Please contact with VIN to verify correct fitment before ordering

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280514
Mfg#:
06E100032A
Special Order: No Guaranteed ETA
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
06-15-2026

$24513.99 USD

Starter

Don't let your car sit dead! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2806329
Mfg#:
06M911021
Ships in 5 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.

$485.00

This product was last offered at the strikethrough price on
06-19-2026

$452.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2762333 - 077103245BKT1 - Emissions Service Kit - Complete PCV Kit for your engine - Genuine Volkswagen Audi - Audi

Complete PCV Kit for your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762333
Mfg#:
077103245BKT1
Ships in 10 Business Days
$1091.57

This product was last offered at the strikethrough price on
02-26-2026

$1086.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Water Pump Kit

Keep your cooling system running properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes Updated 6-Bolt Water Pump and Pulley

Brand:
Assembled By ECS - Corporate Logo
ES#:
5435143
Mfg#:
06M121013G2KT
Ships in 10 Business Days
Auto Notify
ON SALE!
$843.99

This product was last offered at the strikethrough price on
02-26-2026

$825.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Crankcase Housing

OEM replacement crankcase housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 07/18/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4509195
Mfg#:
06M103011FS
Special Order: No Guaranteed ETA
5% off MSRP

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

$5821.99

This product was last offered at the strikethrough price on
02-26-2026

$5524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head

Brand new complete cylinder head minus the camshafts (cylinders 1-3) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4779263
Mfg#:
06M103062CA
Special Order: No Guaranteed ETA
5% off MSRP

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

$2410.99

This product was last offered at the strikethrough price on
02-26-2026

$2287.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Kit

Keep your charging system operating at full potential, includes hardware! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4818208
Mfg#:
06E903024LKT
Ships in 10 Business Days
$1423.99

This product was last offered at the strikethrough price on
02-27-2026

$1420.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rods - Full set

Full connecting rod set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186756
Mfg#:
06M198401
Special Order: No Guaranteed ETA
5% off MSRP

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

$1649.99

This product was last offered at the strikethrough price on
02-26-2026

$1565.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator

Keep your charging system operating at full potential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3179087
Mfg#:
06E903024L
Special Order: No Guaranteed ETA
5% off MSRP

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

$1492.99

This product was last offered at the strikethrough price on
02-26-2026

$1416.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi RS4 / S4 B5 Upgraded Bosch Injectors (short)

Bosch EV14 980cc Injectors (Set of 6) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4908531
Mfg#:
TTE10490
Ships on Jul 8, 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Custom tuning software required for installation.

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4751302
Mfg#:
TTE10494.1
Ships on Jul 8, 2026
$3492.99 USD
Free Shipping
on orders $49 and up

Accessory Belt

Keep your car from breaking down by replacing your cracked drive belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234737
Mfg#:
054903137B
Ships on Jul 10, 2026
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

OE Timing Belt Roller

Highly recommended to replace with every timing belt service, can cause a new belt to break affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234875
Mfg#:
078109244F
Ships on Jul 10, 2026
$49.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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