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Audi A4 Engine Parts & Accessories

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ES#3085659 - 06H145710C - Diverter Valve - Revised diaphragm-based diverter valve - Pierburg - Audi Volkswagen

Revised diaphragm-based diverter valve

Brand:
Pierburg - Corporate Logo
ES#:
3085659
Mfg#:
06H145710C
In Stock
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3551284 - 021828ECS01-02 -  VW/Audi Atmospheric Diverter Valve Spacer - Clear - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3551284
Mfg#:
021828ECS01-02
In Stock
ON SALE!
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4871642 - GC555401QDSP - High Performance Genuine Engine Oil (5w-40) - 1 Quart - Meets Volkswagen & Audi 502.00 / 505.00 specification - Genuine Volkswagen Audi - Audi Volkswagen

Meets Volkswagen & Audi 502.00 / 505.00 specification

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4871642
Mfg#:
GC555401QDSP
In Stock
$16.07

This product was last offered at the strikethrough price on
09-08-2026

$14.85 USD
Free Shipping
on orders $49 and up
ES#4365313 - CTS-TR-1070X - CTS K04-X Hybrid Turbo Upgrade  - This turbo will support 400HP With proper tuning and supporting mods! - CTS - Audi

This turbo will support 400HP With proper tuning and supporting mods!

Brand:
CTS - Corporate Logo
ES#:
4365313
Mfg#:
CTS-TR-1070X
In Stock
ON SALE! SAVE 10%
$1999.99

This product was last offered at the strikethrough price on
09-29-2026

$1799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3192994 - IETPCG1 - IE FDS Front Mount Intercooler Kit (IETPCG1) - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3192994
Mfg#:
IETPCG1
In Stock
$989.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2539364 - 06F127025KKTFL - Original Equipment Fuel Pump & Follower Replacement Kit - Replacement cam follower and high pressure fuel pump commonly used as a repair for P2294 CEL code. - Assembled By ECS - Audi Volkswagen

Replacement cam follower and high pressure fuel pump commonly used as a repair for P2294 CEL code. 10X Entries Into Our F80 M3 Sweepstakes
For later models (from VIN 8E-6-266701) with barbed style fuel line fitting and hose

Brand:
Assembled By ECS - Corporate Logo
ES#:
2539364
Mfg#:
06F127025KKTFL
In Stock
ON SALE! SAVE 48%
$491.99

This product was last offered at the strikethrough price on
07-14-2026

$253.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370260 - 034-202-6003 - Billet Aluminum Rear Main Seal - Permanent fix for that leaking rear main seal - 034Motorsport - Audi Volkswagen

Permanent fix for that leaking rear main seal 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4370260
Mfg#:
034-202-6003
In Stock
$145.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4623809 - CKS0228 - Timing Chain Kit - Select - Includes chains, tensioners, rails, timing covers, gasket sealant and necessary hardware - Rein - Audi Volkswagen

Includes chains, tensioners, rails, timing covers, gasket sealant and necessary hardware 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4623809
Mfg#:
CKS0228
In Stock
$810.99

This product was last offered at the strikethrough price on
07-28-2026

$664.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3658469 - 06h906036gkt2KT -  Fuel Injectors - Set Of Four - Keep your engine running smooth! - Bosch - Audi Volkswagen

Keep your engine running smooth! We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Bosch - Corporate Logo
ES#:
3658469
Mfg#:
06H906036GKT2KT
In Stock
$307.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4499603 - 034-106-6051 - High Pressure Fuel Pump Piston Upgrade Kit - Unlock up to 50% more flow over the factory high pressure fuel pump - 034Motorsport - Audi Volkswagen

Unlock up to 50% more flow over the factory high pressure fuel pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4499603
Mfg#:
034-106-6051
In Stock
$337.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#258725 - 2041 - Synthoil Premium Engine Oil (5w-40) - 5 Liter - A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines - Liqui-Moly - Audi BMW Volkswagen

A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
258725
Mfg#:
2041
In Stock
46% off MSRP

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

$119.99

This product was last offered at the strikethrough price on
11-04-2026

$64.99 USD
Free Shipping
on orders $49 and up
ES#3142504 - 06J127025J - High Pressure Fuel Pump - Fuel pump located on top of the engine - Hitachi - Audi

Fuel pump located on top of the engine

Brand:
Hitachi - Corporate Logo
ES#:
3142504
Mfg#:
06J127025J
In Stock
$439.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2771379 - 003251ECS01AKTKT -  ECS Tuning Street Shield Aluminum Skid Plate Kit - Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate - ECS - Audi

Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate 10X Entries Into Our F80 M3 Sweepstakes
Fits B8 chassis A4/S4/A5/S5 models up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
2771379
Mfg#:
003251ECS01AKTKT
In Stock
ON SALE! SAVE 15%
$416.99

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

$354.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3552700 - 20236 - Top Tec 6200 Engine Oil (0W-20) - 1 Liter - Engineered to help enhance fuel economy. 508/509 approval. - Liqui-Moly - Audi Volkswagen

Engineered to help enhance fuel economy. 508/509 approval. 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3552700
Mfg#:
20236
In Stock
35% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
11-04-2026

$14.99 USD
Free Shipping
on orders $49 and up
ES#4000812 - 034-108-Z05KT - Audi & VW Direct Injection Carbon Cleaning Kit - Level 2 - Featuring 034 Motorsport direct injection port cleaning tool, walnut shell blast media (50lbs), and a Bav Auto V3 Media Blaster Tank - Assembled By ECS - Audi Volkswagen

Featuring 034 Motorsport direct injection port cleaning tool, walnut shell blast media (50lbs), and a Bav Auto V3 Media Blaster Tank 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4000812
Mfg#:
034-108-Z05KT
In Stock
ON SALE!
$308.99

This product was last offered at the strikethrough price on
05-18-2026

$279.99 USD
Free Shipping
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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