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Audi S4 Engine Parts & Accessories

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ES#240449 - 026198151a/5 - Piston Rings - Price Per Piston - Includes complete ring assembly for one cylinder - Goetze - Audi Volkswagen

Includes complete ring assembly for one cylinder

Brand:
Goetze - Corporate Logo
ES#:
240449
Mfg#:
026198151A/5
Ships in 4 Business Days
$27.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4849592 - 038903803E - Voltage Regulator - Maintains a constant voltage level by controlling the alternator's output. - Vemo - Audi Volkswagen

Maintains a constant voltage level by controlling the alternator's output. For Bosch style alternators

Brand:
Vemo - Corporate Logo
ES#:
4849592
Mfg#:
038903803E
Ships in 2 Business Days
$54.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#258812 - 058905105 - Ignition Coil - Priced Each - Does not include the spark plug boot - Genuine Volkswagen Audi - Audi Volkswagen

Does not include the spark plug boot

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258812
Mfg#:
058905105
In Stock
ON SALE!
$110.99

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

$108.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748521 - T40047 - Setting Gauge - Used to fix the camshaft position sensor rotor ring - Genuine Volkswagen Audi - Audi

Used to fix the camshaft position sensor rotor ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2748521
Mfg#:
T40047
In Stock
ON SALE! SAVE 30%
$154.99

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

$108.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2577250 - 8K0807081B9B9 - Front Engine Bay Cover - Located between the front bumper and core support - Genuine Volkswagen Audi - Audi

Located between the front bumper and core support From the 2013 model year up to production date 1/21/2013

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2577250
Mfg#:
8K0807081B9B9
In Stock
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
08-26-2026

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#285157 - 079905377G - Knock Sensor - Blue (185mm) - Keep your engine running smoothly - Genuine Volkswagen Audi - Audi

Keep your engine running smoothly Fits front right only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285157
Mfg#:
079905377G
Ships in 3 Business Days
12% off MSRP

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

$122.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#275298 - 038903119K - Alternator Pulley - Does not include securing hardware - Genuine Volkswagen Audi - Audi Volkswagen

Does not include securing hardware For Bosch style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275298
Mfg#:
038903119K
Ships in 5 Business Days
9% off MSRP

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

$118.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3497191 - 06M260938H - Accessory Belt Drive Idler Pulley With Bolt  - Replace your worn idler pulley - Genuine Volkswagen Audi - Audi

Replace your worn idler pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3497191
Mfg#:
06M260938H
Ships in 7 Business Days
13% off MSRP

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

$122.99

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

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2598354 - 058905291K - Check Valve - Priced Each - Used in multiple locations in the vacuum system - Vaico - Audi Volkswagen

Used in multiple locations in the vacuum system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598354
Mfg#:
058905291K
Ships in 2 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#371819 - 4B3121200 - Radiator Attachment Bolt - Priced Each - This attached the upper radiator mounts to radiator - Genuine Volkswagen Audi - Audi

This attached the upper radiator mounts to radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
371819
Mfg#:
4B3121200
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#472251 - WHT000265 - Pivot Pin - Secures the right side of the center guide rail - Genuine Volkswagen Audi - Audi

Secures the right side of the center guide rail From VIN 8D-4-200001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472251
Mfg#:
WHT000265
Ships in 1-2 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.

$20.18

This product was last offered at the strikethrough price on
11-01-2026

$17.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2593910 - 077906037AKT4 - Fuel Injector Installation Kit - Takes the guess work out of installing fuel injectors - Assembled By ECS - Audi

Takes the guess work out of installing fuel injectors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593910
Mfg#:
077906037AKT4
Ships in 1-2 days
ON SALE!
$115.99

This product was last offered at the strikethrough price on
09-16-2026

$107.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3144632 - N90813202ZKT - Oil Service Kit - Includes Mann oil filter and Fuchs 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes Mann oil filter and Fuchs 5w-40 oil 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3144632
Mfg#:
N90813202ZKT
Back Ordered
ON SALE!
$107.14 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#450351 - 8K0145923B - Center Radiator Hose - Right - Connects the center radiator to the hard water pipe for the supercharger - Genuine Volkswagen Audi - Audi

Connects the center radiator to the hard water pipe for the supercharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450351
Mfg#:
8K0145923B
Ships in 5 Business Days
10% off MSRP

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

$118.99

This product was last offered at the strikethrough price on
10-26-2026

$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#469702 - N90362001 - Lower Tensioner Gasket - Seals the lower timing chain tensioner to the engine - Genuine Volkswagen Audi - Audi Volkswagen

Seals the lower timing chain tensioner to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469702
Mfg#:
N90362001
In Stock
19% off MSRP

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

$5.95

This product was last offered at the strikethrough price on
11-01-2026

$4.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3980451 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - Nissens - Audi

Larger diameter fan on the left side We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3980451
Mfg#:
4Z7959455
Ships in 2 Business Days
$108.99

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

$105.99 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

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