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Audi C5 A6 Quattro 2.7T

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Audi C5 A6 Quattro 2.7T Engine Parts & Accessories

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Waste Gate Frequency Control N75 Valve

ES#4818507 - 078906283B - Waste Gate Frequency Control N75 Valve - Controls the boost pressure on the turbocharger system - Bremmen Parts - Audi

Controls the boost pressure on the turbocharger system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818507
Mfg#:
078906283B
In Stock
ON SALE! SAVE 15%
$91.99

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

$78.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate with Gates Racing Timing Belt

ES#2777124 - 078198479KT2 - Timing Belt Kit - Ultimate with Gates Racing Timing Belt - Complete kit to service your timing belt, water pump, and thermostat - Assembled By ECS - Audi

Complete kit to service your timing belt, water pump, and thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777124
Mfg#:
078198479KT2
Ships on Nov 12, 2026
ON SALE!
$373.99

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

$355.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing (Aluminum)

ES#3659371 - 078121121J - Thermostat Housing (Aluminum) - Aluminum design - Located on the front right of the engine block - URO - Audi Volkswagen

Aluminum design - Located on the front right of the engine block 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece

Brand:
URO - Corporate Logo
ES#:
3659371
Mfg#:
078121121J
In Stock
$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#2710 - 078965561 - Auxiliary Water Pump - Secondary pump for more efficient cooling - Bosch - Audi Volkswagen

Secondary pump for more efficient cooling We Price Match - Give Us A Call or Chat!
Up to the 2002 model year and from VIN 4B-5-000501, split is in the 2005 model year

Brand:
Bosch - Corporate Logo
ES#:
2710
Mfg#:
078965561
In Stock
$125.99

This product was last offered at the strikethrough price on
05-20-2026

$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Performance Intercooler Kit - Audi 2.7T - With Carbon Fiber Shrouds

ES#4044041 - 4510-11040 - AWE Performance Intercooler Kit - Audi 2.7T - With Carbon Fiber Shrouds - Produces a peak increase of 18.5 ft-lbs and an increase of 19.5hp to the wheels vs. the stock intercoolers. - AWE - Audi

Produces a peak increase of 18.5 ft-lbs and an increase of 19.5hp to the wheels vs. the stock intercoolers. 2X Entries Into Our F80 M3 Sweepstakes

Minimal trimming of the bumper and shrouds is necessary for proper fitment.

Brand:
AWE - Corporate Logo
ES#:
4044041
Mfg#:
4510-11040
In Stock at Vendor
5% off MSRP

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

$1026.99

This product was last offered at the strikethrough price on
10-02-2026

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt

ES#2569728 - T297RB - Timing Belt - 300% stronger than standard timing belts! - GatesRacing - Audi Volkswagen

300% stronger than standard timing belts!

Brand:
GatesRacing - Corporate Logo
ES#:
2569728
Mfg#:
T297RB
In Stock
$177.99

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

$173.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

G12+ Coolant - 1.5 Liter

ES#550 - AF G001200 - G12+ Coolant - 1.5 Liter - Pink Pentosin SF Pentofrost coolant new updated G12 plus formula - Pentosin - Audi Volkswagen Porsche

Pink Pentosin SF Pentofrost coolant new updated G12 plus formula

Brand:
Pentosin - Corporate Logo
ES#:
550
Mfg#:
AF G001200
In Stock
$25.27 USD
Free Shipping
on orders $49 and up

Secondary Air Injection Pump

ES#2532875 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - URO - Audi Volkswagen Porsche

Keep your engine running efficiently 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2532875
Mfg#:
06A959253E
In Stock
$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K03 Turbocharger - Right

ES#259914 - 078145702S - K03 Turbocharger - Right - Restore boost and get going! - BorgWarner - Audi

Restore boost and get going! For manual transmission vehicles. For automatic transmission vehicles up to the 2002 model year

Brand:
BorgWarner - Corporate Logo
ES#:
259914
Mfg#:
078145702S
Back Ordered
$1166.99

This product was last offered at the strikethrough price on
08-13-2026

$1148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner - Cylinders 1-3 (Right)

ES#3220568 - 078109088H - Cam Chain Tensioner - Cylinders 1-3 (Right) - Applies tension to the camshaft timing chain - Bremmen Parts - Audi Volkswagen

Applies tension to the camshaft timing chain 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220568
Mfg#:
078109088H
In Stock
ON SALE! SAVE 15%
$191.99

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

$163.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner Kit

ES#4488369 - 078109087f88hKT - Cam Chain Tensioner Kit - Complete kit to replace both cam chain tensioners. Includes tensioners, hardware, gaskets, and tool! - Assembled By ECS - Audi Volkswagen

Complete kit to replace both cam chain tensioners. Includes tensioners, hardware, gaskets, and tool! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4488369
Mfg#:
078109087F88HKT
Ships in 1-2 days
ON SALE! SAVE 26%
$604.99

This product was last offered at the strikethrough price on
08-18-2026

$449.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#5271 - 001564ECS01 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE! SAVE 15%
$229.99

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

$195.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System

ES#3175541 - 252596 - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with dual Borla mufflers - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual Borla mufflers For use with factory downpipes - Fits all 2.7T allroad models. Fits 2.7T A6 models from the 2002 model year

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175541
Mfg#:
252596
Ships on Oct 26, 2026
$1485.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner - Cylinders 4-6 (Left)

ES#3220567 - 078109087F - Cam Chain Tensioner - Cylinders 4-6 (Left) - Applies tension to the camshaft timing chain - Bremmen Parts - Audi Volkswagen

Applies tension to the camshaft timing chain 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220567
Mfg#:
078109087F
In Stock
ON SALE! SAVE 32%
$219.29

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

$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap - Black

ES#2804144 - 1K0955455 - Washer Fluid Reservoir Cap - Black - Set your engine bay apart from the rest with a black washer reservoir cap to replace the old blue one - Bremmen Parts - Audi Volkswagen

Set your engine bay apart from the rest with a black washer reservoir cap to replace the old blue one 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804144
Mfg#:
1K0955455
In Stock
ON SALE! SAVE 18%
$19.99

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

$16.49 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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