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Audi S4 Engine Parts & Accessories

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ES#2606421 - 06E906265AJ - Front Oxygen Sensor - Priced Each - Keep your engine running efficiently - Genuine Volkswagen Audi - Audi

Keep your engine running efficiently Fits the left and right position

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2606421
Mfg#:
06E906265AJ
Ships in 3 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.

$461.99

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

$400.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4821045 - 06e903133aektkt1 - Accessory Belt Kit - Keep your car from breaking down by replacing your cracked drive belt - Genuine Volkswagen Audi - Audi

Keep your car from breaking down by replacing your cracked drive belt

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4821045
Mfg#:
06E903133AEKTKT1
Ships in 3 Business Days
$865.99

This product was last offered at the strikethrough price on
06-07-2026

$800.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864547 - 034-101-3066 - Silicone Diverter Valve Pressure Hose - Pair - This hose pair is designed to replace the outrageously expensive, failure-prone factory rubber hoses - 034Motorsport - Audi

This hose pair is designed to replace the outrageously expensive, failure-prone factory rubber hoses 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864547
Mfg#:
034-101-3066
In Stock
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1905571 - SPRK-Audi27t - Performance Valvetrain Kit - Includes springs, retainers, and valve seats - Supertech - Audi

Includes springs, retainers, and valve seats

Brand:
Supertech - Corporate Logo
ES#:
1905571
Mfg#:
SPRK-AUDI27T
Ships in 9 Business Days
$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3234533 - ED-MT-2.7TAPBKT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Audi

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware

Brand:
Eurodyne - Corporate Logo
ES#:
3234533
Mfg#:
ED-MT-2.7TAPBKT
In Stock
$799.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2771605 - 06E903341A - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Ina - Audi

Also referred to as the 'relay roller' We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2771605
Mfg#:
06E903341A
In Stock
$30.65

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339360 - 917366 - RaceChip GTS Black With App Control - Get up to +66 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi

Get up to +66 hp and +52 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339360
Mfg#:
917366
Ships on Nov 23, 2026
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4339048 - 904526 - RaceChip GTS Black With App Control - Get up to +41 hp and +74 through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi

Get up to +41 hp and +74 through a safe and easy to use app-controlled tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339048
Mfg#:
904526
Ships on Nov 23, 2026
$799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1271202 - 8K0919051G - Fuel Pump - Includes sending unit and fuel filter - Genuine Volkswagen Audi - Audi

Includes sending unit and fuel filter Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1271202
Mfg#:
8K0919051G
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.

$880.99

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

$794.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#471311 - N90959701 - O-Ring (22x3.55) - Located between the valley pan and the oil filter adapter - Genuine Volkswagen Audi - Audi

Located between the valley pan and the oil filter adapter

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471311
Mfg#:
N90959701
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.

$6.99

This product was last offered at the strikethrough price on
10-31-2026

$6.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4629778 - 06E103547AC - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - URO - Audi Porsche

Located beneath the supercharger compressor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
URO - Corporate Logo
ES#:
4629778
Mfg#:
06E103547AC
In Stock
$131.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4049659 - ci100037KT - APR Open Carbon Fiber Intake System - With Throttle Body Pipe  - APR's ultimate intake system for the 3.0 TFSI - APR - Audi

APR's ultimate intake system for the 3.0 TFSI Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4049659
Mfg#:
CI100037KT
Back Ordered
ON SALE! SAVE 10%
$879.99

This product was last offered at the strikethrough price on
09-28-2026

$791.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4046061 - FMICB5S4-BLACK - JHM Front Mount Intercooler (FMIC) Kit - Black Couplers - Tested and ran in JHM's record setting B5 S4 - Reduces charge temperatures and increases power - Proven real world performer! - JH Motorsports  - Audi

Tested and ran in JHM's record setting B5 S4 - Reduces charge temperatures and increases power - Proven real world performer!

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046061
Mfg#:
FMICB5S4-BLACK
Ships on Nov 17, 2026
$789.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3439022 - molygenKT1 - Liqui Moly MolyGen - Premium Oil Service Kit - With ECS Magnetic Drain Plug - Includes Mann oil filter and Liqui Moly 5w-40 oil with MolyGen technology - Assembled By ECS - Audi

Includes Mann oil filter and Liqui Moly 5w-40 oil with MolyGen technology 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3439022
Mfg#:
MOLYGENKT1
In Stock
ON SALE!
$137.99

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

$131.39 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2532291 - 077905115TKT - Ignition Coil - Set Of Eight - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2532291
Mfg#:
077905115TKT
Ships in 4 Business Days
$786.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4500722 - 079121111J1KT - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 10X Entries Into Our F80 M3 Sweepstakes
Includes thermostat with housing.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4500722
Mfg#:
079121111J1KT
Back Ordered
$791.99

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

$785.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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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