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Audi 4M SQ8 Quattro 4.0T

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Audi 4M SQ8 Quattro 4.0T Engine Parts & Accessories

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Billet Oil Filter Housing - EA839 2.9T/3.0T

ES#4505824 - 034-110-9003 - Billet Oil Filter Housing - EA839 2.9T/3.0T - CNC machined from 6061-T6 aluminum and anodized bright black for lifelong great looks - 034Motorsport - Audi

CNC machined from 6061-T6 aluminum and anodized bright black for lifelong great looks

Brand:
034Motorsport - Corporate Logo
ES#:
4505824
Mfg#:
034-110-9003
In Stock
$143.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#4753189 - 06H145710D - Diverter Valve - Superior piston style diverter valve - URO - Audi Volkswagen

Superior piston style diverter valve 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4753189
Mfg#:
06H145710D
In Stock
$57.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Additive

ES#1895145 - G001770A2 - Fuel Additive - 90ML Gasoline additive used to clean your VW or Audi's fuel system - Genuine Volkswagen Audi - Audi Volkswagen

90ML Gasoline additive used to clean your VW or Audi's fuel system This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1895145
Mfg#:
G001770A2
In Stock
4% off MSRP

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

$12.29

This product was last offered at the strikethrough price on
08-11-2026

$11.78 USD
Free Shipping
on orders $49 and up

APR Iridium Pro Spark Plugs - Set Of 8

ES#4905817 - Z1004081X8KT - APR Iridium Pro Spark Plugs - Set Of 8 - Designed for high performance / tuned vehicle applications - APR - Audi Porsche

Designed for high performance / tuned vehicle applications Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4905817
Mfg#:
Z1004081X8KT
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$215.99

This product was last offered at the strikethrough price on
07-31-2026

$194.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

4.0T Water Pump And Thermostat Replacement Kit

ES#4940377 - 0P2121014KT - 4.0T Water Pump And Thermostat Replacement Kit - Includes everything you need to replace your water pump and thermostat. - Genuine Volkswagen Audi - Audi Porsche

Includes everything you need to replace your water pump and thermostat.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4940377
Mfg#:
0P2121014KT
Ships in 2 Business Days
$1338.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR Upgraded Ignition Coils - Red - Set Of Eight

ES#4475469 - MS100192-8KT - APR Upgraded Ignition Coils - Red - Set Of Eight - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4475469
Mfg#:
MS100192-8KT
EO#:
D-783-5
In Stock
ON SALE! SAVE 10%
$423.99

This product was last offered at the strikethrough price on
07-31-2026

$381.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SQ7/SQ8 High-Performance Intercooler System - Thermal Black Finish

ES#4745277 - 8280B - SQ7/SQ8 High-Performance Intercooler System - Thermal Black Finish - Features 100% TIG Welded Formula-1 Performance Grade Cores by PWR and true Plug-and-Play Drop-in Fit Installation. - CSF - Audi

Features 100% TIG Welded Formula-1 Performance Grade Cores by PWR and true Plug-and-Play “Drop-in Fit” Installation. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
4745277
Mfg#:
8280B
Back Ordered
$5195.00 USD
Free Shipping

CSF Intercooler System - Raw

ES#4830366 - CSF-8280 - CSF Intercooler System - Raw - Utilizing all factory mounting points, the installation is straightforward with a drop-in fit design. - 034Motorsport - Audi

Utilizing all factory mounting points, the installation is straightforward with a “drop-in fit” design.

Brand:
034Motorsport - Corporate Logo
ES#:
4830366
Mfg#:
CSF-8280
Ships in 2 Business Days
$4895.00 USD
Free Shipping

Fuel Injector - Priced Each

ES#4421765 - 06M906036AQ - Fuel Injector - Priced Each - Keep your engine running smoothly - Genuine Volkswagen Audi - Audi

Keep your engine running smoothly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4421765
Mfg#:
06M906036AQ
Ships in 2 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.

$285.00

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

$249.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Intercooler Kit

ES#4831016 - 200001206 - Performance Intercooler Kit - Unlock the full potential of a vehicle with the cutting-edge Competition intercoolera true game-changer for exceptional driving performance! - Wagner Tuning - Audi Porsche

Unlock the full potential of a vehicle with the cutting-edge Competition intercooler—a true game-changer for exceptional driving performance! * Adjustments to the original air duct are necessary

Brand:
Wagner Tuning - Corporate Logo
ES#:
4831016
Mfg#:
200001206
Ships in 1 Business Day
$3990.00 USD

APR Plus ECU Upgrade - 4.0T EA825 V8 (SQ)

ES#4418359 - ECU40TEA825SQAPR - APR Plus ECU Upgrade - 4.0T EA825 V8 (SQ) - Max gains of +191 AWHP and +163 AWFT-LBS and a Limited Powertrain Warranty - APR - Audi

Max gains of +191 AWHP and +163 AWFT-LBS and a Limited Powertrain Warranty Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4418359
Mfg#:
ECU40TEA825SQAPR
In Stock
ON SALE! SAVE 10%
$3999.99

This product was last offered at the strikethrough price on
07-31-2026

$3599.96 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kit - Priced Each

ES#5433382 - 06M198405H - Oil Filter Kit - Priced Each - Keep debris out of your oil and keep your engine running healthily - Genuine Volkswagen Audi - Audi Porsche

Keep debris out of your oil and keep your engine running healthily

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5433382
Mfg#:
06M198405H
In Stock
6% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
08-11-2026

$15.99 USD
Free Shipping
on orders $49 and up

Water Pump

ES#4384940 - 0P2121014H - Water Pump - Does not include gasket - Genuine Volkswagen Audi - Audi Porsche

Does not include gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4384940
Mfg#:
0P2121014H
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.

$572.99

This product was last offered at the strikethrough price on
08-11-2026

$523.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Air Intake System

ES#5457138 - IEINDE1 - Carbon Air Intake System - Unleash 900+ horsepower, 41% more airflow, and aggressive twin-turbo sound with iE's high-flow carbon fiber air intake system. - Integrated Engineering - Audi Porsche

Unleash 900+ horsepower, 41% more airflow, and aggressive twin-turbo sound with iE's high-flow carbon fiber air intake system. 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457138
Mfg#:
IEINDE1
Ships in 4 Business Days
$2999.99 USD

Transmission Mount

ES#3561738 - 8W0399156BH - Transmission Mount - Includes bracket and rubber mounting - Genuine Volkswagen Audi - Audi

Includes bracket and rubber mounting

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561738
Mfg#:
8W0399156BH
Ships in 1 day
10% off MSRP

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

$148.33

This product was last offered at the strikethrough price on
02-23-2026

$133.95 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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