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Audi S4 Engine Parts & Accessories

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Timing Chain Kit

ES#4005065 - 079109229kt15KT - Timing Chain Kit - The essentials necessary to get the job done - Assembled By ECS - Audi

The essentials necessary to get the job done affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For cabriolet models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4005065
Mfg#:
079109229KT15KT
Ships in 1-2 days
ON SALE! SAVE 27%
$1471.99

This product was last offered at the strikethrough price on
01-03-2026

$1075.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Compressor Drive Unit

ES#1894628 - 06E145607A - Compressor Drive Unit - Front pulley assembly for the supercharger compressor - Genuine Volkswagen Audi - Audi

Front pulley assembly for the supercharger compressor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1894628
Mfg#:
06E145607A
Ships in 1-2 days
6% off MSRP

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

$1142.99

This product was last offered at the strikethrough price on
06-21-2026

$1074.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Supercharger Drive Pulley Upgrade

ES#3219163 - MS100135 - APR Supercharger Drive Pulley Upgrade - Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. - APR - Audi Porsche

Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
- APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple

Brand:
APR - Corporate Logo
ES#:
3219163
Mfg#:
MS100135
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.

$241.99

This product was last offered at the strikethrough price on
06-21-2026

$214.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Copper Drain Plug Washer - Pack Of 5

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

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

ECS Performance Kevlar Reinforced Accessory/Supercharger Belt Kit W/ Tensioners

ES#4707958 - 06E903137T3KT - ECS Performance Kevlar Reinforced Accessory/Supercharger Belt Kit W/ Tensioners - Includes the tensioner assembly, ECS performance Kevlar reinforced accessory and supercharger belt, accessory and supercharger tensioners and hardware. - Assembled By ECS - Audi

Includes the tensioner assembly, ECS performance Kevlar reinforced accessory and supercharger belt, accessory and supercharger tensioners and hardware. 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#:
4707958
Mfg#:
06E903137T3KT
Ships on Aug 3, 2026
Auto Notify
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#436248 - 8E0121403F - Coolant Expansion Tank - Coolant level sensor enclosed in tank - Genuine Volkswagen Audi - Audi

Coolant level sensor enclosed in tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436248
Mfg#:
8E0121403F
In Stock
ON SALE!
$112.99

This product was last offered at the strikethrough price on
06-15-2026

$107.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake Air Scoop

ES#3544051 - 020632ecs01KT - Luft-Technik Intake Air Scoop - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3544051
Mfg#:
020632ECS01KT
In Stock
ON SALE!
$140.99

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

$133.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#10026 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Vaico - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 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#:
10026
Mfg#:
3B0121321
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWE ColdFront Coolant Pump - B8 3.0T

ES#4044054 - 4710-11032 - AWE ColdFront Coolant Pump - B8 3.0T - Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. - AWE - Audi

Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

For vehicles up through the 2012 model year only. (Pre-Facelift). Requires the AWE ColdFrontâ„¢ Reservoir for proper fitment.

Brand:
AWE - Corporate Logo
ES#:
4044054
Mfg#:
4710-11032
Ships on Jul 10, 2026
$1068.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518084 - 31-10044 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - Audi BMW Volkswagen

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

Brand:
AFE - Corporate Logo
ES#:
518084
Mfg#:
31-10044
In Stock at Vendor
20% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
06-21-2026

$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold - Right

ES#4368039 - 06E133110BE - Intake Manifold - Right - Includes the fuel rail, potentiometer and gaskets - Genuine Volkswagen Audi - Audi

Includes the fuel rail, potentiometer and gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4368039
Mfg#:
06E133110BE
Ships in 3 Business Days
5% off MSRP

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

$1123.99

This product was last offered at the strikethrough price on
06-21-2026

$1066.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold - Left

ES#4368037 - 06E133109BE - Intake Manifold - Left - Includes the fuel rail, potentiometer and gaskets - Genuine Volkswagen Audi - Audi

Includes the fuel rail, potentiometer and gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4368037
Mfg#:
06E133109BE
Ships in 3 Business Days
5% off MSRP

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

$1123.99

This product was last offered at the strikethrough price on
06-21-2026

$1066.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Round Seal - Priced Each

ES#4685659 - 06E121119K - Round Seal - Priced Each - Install a new o-ring for a proper seal. 31.9x3.3x5.3 - Victor Reinz - Audi

Install a new o-ring for a proper seal. 31.9x3.3x5.3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4685659
Mfg#:
06E121119K
In Stock
$6.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coil - Grey - Priced Each

ES#4708245 - VWR900002 - RacingLine Higher Output Ignition Coil - Grey - Priced Each - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi Volkswagen

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4708245
Mfg#:
VWR900002
Ships in 3 Business Days
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Street Shield Hardware Kit

ES#3468577 - 019207ECS02KT - Engine Street Shield Hardware Kit - Replacement hardware kit for your front location ECS Street Shield - ECS - Audi

Replacement hardware kit for your front location ECS Street Shield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3468577
Mfg#:
019207ECS02KT
In Stock
ON SALE! SAVE 15%
$95.99

This product was last offered at the strikethrough price on
01-03-2026

$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 187mm)

ES#4017694 - CTS-HW-434 - CTS Turbo 3.0T V6 Dual Pulley Upgrade Kit (Press-on - 187mm) - Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter crank pulley & smaller supercharger 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#:
4017694
Mfg#:
CTS-HW-434
Back Ordered
$529.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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