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Audi S4 Engine Parts & Accessories

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Pro 5R Oiled Air Filter

ES#518083 - 30-10044 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - Audi BMW Volkswagen

Higher flow, higher performance - washable and reuseable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
518083
Mfg#:
30-10044
In Stock at Vendor
ON SALE! SAVE 15%
$91.00

This product was last offered at the strikethrough price on
06-29-2026

$77.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4905736 - 8E0121251AJ - Radiator - Keep your engine cool with a new radiator - Nissens - Audi

Keep your engine cool with a new radiator We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits vehicles with automatic transmission ONLY

Brand:
Nissens - Corporate Logo
ES#:
4905736
Mfg#:
8E0121251AJ
In Stock
Limited Qty Sale
$358.99

This product was last offered at the strikethrough price on
05-02-2026

$308.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan

ES#3196033 - 06M103602Q - Oil Pan - Perfect replacement for those with cracked oil pans, or stripped out drain plugs - Genuine Volkswagen Audi - Audi

Perfect replacement for those with cracked oil pans, or stripped out drain plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date through 2019

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3196033
Mfg#:
06M103602Q
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.

$336.99

This product was last offered at the strikethrough price on
07-01-2026

$308.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory/Supercharger Belt Kit W/ Tensioners

ES#2678392 - 06E903133RKT2 - Accessory/Supercharger Belt Kit W/ Tensioners - Keep your accessories & supercharger running properly with new tensioners and drive belts - Assembled By ECS - Audi

Keep your accessories & supercharger running properly with new tensioners and drive belts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678392
Mfg#:
06E903133RKT2
Ships in 1 day
ON SALE!
$314.87

This product was last offered at the strikethrough price on
03-17-2026

$308.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Drive Chain Tensioner

ES#3186732 - 06M109507F - Oil Pump Drive Chain Tensioner - For the oil pump chain located at the bottom of the block - Genuine Volkswagen Audi - Audi

For the oil pump chain located at the bottom of the block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3186732
Mfg#:
06M109507F
In Stock
7% off MSRP

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

$164.99

This product was last offered at the strikethrough price on
07-01-2026

$153.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Locking Pin - Priced Each

ES#3715 - N90642001 - Locking Pin - Priced Each - Secures the engine cover to the mounting brackets. 5x18.2 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the engine cover to the mounting brackets. 5x18.2 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3715
Mfg#:
N90642001
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#4818460 - 06E121058E - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water tube - Bremmen Parts - Audi

Connects the oil cooler to the hard water tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818460
Mfg#:
06E121058E
In Stock
ON SALE! SAVE 20%
$11.99

This product was last offered at the strikethrough price on
05-02-2026

$9.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport SuperDuper Throttle Body Adapter Harness - EA837 3.0T

ES#4899777 - YC0BA - 034Motorsport SuperDuper Throttle Body Adapter Harness - EA837 3.0T - Enables seamless integration of an upgraded throttle body, such as the 84mm VDO throttle body - 034Motorsport - Audi

Enables seamless integration of an upgraded throttle body, such as the 84mm VDO throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4899777
Mfg#:
034-701-0034
Ships in 2 Business Days
ON SALE! SAVE 10%
$20.00

This product was last offered at the strikethrough price on
06-28-2026

$18.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump kit with Pulley - 6 Bolt

Upgraded water pump kit with 6 bolt pulley included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hepu - Corporate Logo
ES#:
5435156
Mfg#:
06M121013G
Ships on Aug 18, 2026
Auto Notify
$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fluidampr Overdrive Ring - 187mm

ES#3557475 - 651201cr187KT - Fluidampr Overdrive Ring - 187mm - Includes 1310mm belt for use with 57mm or 63mm supercharger pulleys - iABED Industries - Audi Porsche

Includes 1310mm belt for use with 57mm or 63mm supercharger pulleys affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Only for us with Fluidampr 651201C.

Brand:
iABED Industries - Corporate Logo
ES#:
3557475
Mfg#:
651201CR187KT
Back Ordered
Auto Notify
$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt/Serpentine Belt Kit W/ Tensioners

ES#4699378 - 06M903137TKT - Accessory Belt/Serpentine Belt Kit W/ Tensioners - Keep your accessories running properly with new tensions and drive belts - Assembled By ECS - Audi

Keep your accessories running properly with new tensions and drive belts 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#:
4699378
Mfg#:
06M903137TKT
Ships in 4 Business Days
$157.99

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

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 180mm

ES#3438174 - CTS-HW-266-180 - CTS Turbo Supercharger Crank Pulley Upgrade - 180mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438174
Mfg#:
CTS-HW-266-180
Special Order: No Guaranteed ETA
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
06-25-2026

$303.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#4575869 - 9A7959126A - A/C Pressure Switch - Also use (Qty.) (1) 7H0 820 896 o-ring. - Genuine Porsche - Audi

Also use (Qty.) (1) 7H0 820 896 o-ring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
4575869
Mfg#:
9A7959126A
Ships in 4 Business Days
$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug/Sealing Washer - Priced Each

ES#2893454 - N0138157 - Drain Plug/Sealing Washer - Priced Each - Replace with every oil service to prevent leaks. 14x20 - Vaico - Audi Volkswagen Porsche

Replace with every oil service to prevent leaks. 14x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2893454
Mfg#:
N0138157
In Stock
$2.99

This product was last offered at the strikethrough price on
01-23-2026

$1.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Tube

ES#280575 - 06E103217AD - Breather Tube - Connects to both valve covers to the PCV adapter vent tube - Genuine Volkswagen Audi - Audi

Connects to both valve covers to the PCV adapter vent tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to production date 4/30/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280575
Mfg#:
06E103217AD
Ships in 1 day
7% off MSRP

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

$324.99

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

$302.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 Engine Bay Block Off Plugs - Set

ES#3667767 - 026829ECS01 - Audi B9 Engine Bay Block Off Plugs - Set - Keep your engine bay clean and pristine! - ECS - Audi

Keep your engine bay clean and pristine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3667767
Mfg#:
026829ECS01
In Stock
ON SALE! SAVE 89%
$45.99

This product was last offered at the strikethrough price on
05-02-2026

$4.88 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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