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Audi S4 Engine Parts & Accessories

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Stainless Steel 3.0T/2.9T Ignition Coil Hardware Kit

ES#4475743 - 97646A327-6KT - Stainless Steel 3.0T/2.9T Ignition Coil Hardware Kit - Upgraded stainless steel tie down bolts and washers. - ECS - Audi

Upgraded stainless steel tie down bolts and washers. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4475743
Mfg#:
97646A327-6KT
In Stock
ON SALE! SAVE 20%
$26.99

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

$21.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector O-Ring - Priced Each

ES#3660386 - WHT005422B - Fuel Injector O-Ring - Priced Each - Keep your fueling system leak free - Bosch - Audi Volkswagen

Keep your fueling system leak free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3660386
Mfg#:
WHT005422B
In Stock
$2.35

This product was last offered at the strikethrough price on
05-09-2026

$2.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter - Pack Of 5

ES#1884292 - 06A115561B - Oil Filter - Pack Of 5 - Stock up for future maintenance - Genuine Volkswagen Audi - Audi Volkswagen

Stock up for future maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1884292
Mfg#:
06A115561B
In Stock
$73.25 USD
Free Shipping

Rubber Washer - Priced Each

ES#4727687 - 90131A305 - Rubber Washer - Priced Each - Used in securing the belly pan to the vehicle. 5x25x1.50 - Bremmen Parts - Audi Volkswagen

Used in securing the belly pan to the vehicle. 5x25x1.50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4727687
Mfg#:
90131A305
In Stock
ON SALE! SAVE 20%
$2.03

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

$1.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Drive Idler Pulley With Bolt

ES#3181976 - 06M903341D - Accessory Belt Drive Idler Pulley With Bolt - Replace your worn idler pulley - Genuine Volkswagen Audi - Audi

Replace your worn idler pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181976
Mfg#:
06M903341D
Ships in 1 day
6% off MSRP

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

$130.00

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

$121.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
20% off MSRP

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

$113.75

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

$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2649775 - 8K0121251AA - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi Porsche

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models with DSG (S-Tronic) transmission only

Brand:
Nissens - Corporate Logo
ES#:
2649775
Mfg#:
8K0121251AA
In Stock at Vendor
$363.82 USD
This product is lifetime replacement eligible Lifetime Replacement

MAF Housing Adapter - S4

ES#2864567 - 034-108-6003 - MAF Housing Adapter - S4 - Seamlessly install your 034Motorsport 85mm MAF Housing with a factory S4 airbox - 034Motorsport - Audi

Seamlessly install your 034Motorsport 85mm MAF Housing with a factory S4 airbox affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864567
Mfg#:
034-108-6003
Ships in 2 Business Days
ON SALE! SAVE 10%
$121.00

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

$108.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner - Cylinders 4-6 (Left)

Applies tension to the camshaft timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bapmic - Corporate Logo
ES#:
4908317
Mfg#:
078109087F
In Stock at Vendor
$370.99

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

$362.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Gear - Priced Each

ES#283461 - 078109111B - Camshaft Gear - Priced Each - Turns the intake & exhaust camshaft from the timing belt - Genuine Volkswagen Audi - Audi Volkswagen

Turns the intake & exhaust camshaft from the timing belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283461
Mfg#:
078109111B
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.

$193.99

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

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Installation Kit

ES#2771916 - 077129717QKT2 - Intake Manifold Installation Kit - Everything you need to remove and re-install your intake manifold - Assembled By ECS - Audi

Everything you need to remove and re-install your intake manifold 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#:
2771916
Mfg#:
077129717QKT2
In Stock
ON SALE!
$191.48

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

$180.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

A/C Condenser

ES#4770467 - 8W0816421H - A/C Condenser - Restore that ice cold A/C! - Nissens - Audi

Restore that ice cold A/C! We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4770467
Mfg#:
8W0816421H
Ships in 6 Business Days
$359.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit - Pack Of 5

ES#514210 - 06E115562A - Oil Filter Kit - Pack Of 5 - Stock up for future maintenance and save! - Genuine Volkswagen Audi - Audi

Stock up for future maintenance and save! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
514210
Mfg#:
06E115562A
In Stock
$126.99

This product was last offered at the strikethrough price on
02-24-2026

$119.99 USD
Free Shipping

Billet Brake Fluid Cap - Black Anodized

ES#4039245 - 020809ECS01-01 - Billet Brake Fluid Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4039245
Mfg#:
020809ECS01-01
In Stock
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3149407 - 078121006A - Water Pump - Featuring a metal impeller and includes the gasket - Rein - Audi

Featuring a metal impeller and includes the gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149407
Mfg#:
078121006A
Ships in 3 Business Days
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Guide Rail - Left Side

ES#284634 - 079109469AA - Lower Guide Rail - Left Side - Located between the left idle gear and crankshaft on the main timing chain - Genuine Volkswagen Audi - Audi

Located between the left idle gear and crankshaft on the main timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284634
Mfg#:
079109469AA
Ships in 1 day
9% off MSRP

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

$98.99

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

$89.99 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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