Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen MK4 Engine Parts & Accessories

Sort By
Filter By
Return to Top

710N Diverter Valve - Priced Each

ES#2739493 - 06A145710N - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines - Kayser - Audi Volkswagen

A great upgrade for stock to mildly tuned engines

Brand:
Kayser - Corporate Logo
ES#:
2739493
Mfg#:
06A145710N
In Stock
11% off MSRP

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

$46.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

R8 Caps & Black Washer Fluid Reservoir Cap Set

ES#4707624 - 009635ECS06KT - R8 Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps - Bremmen Parts - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4707624
Mfg#:
009635ECS06KT
In Stock
ON SALE! SAVE 17%
$89.99

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

$74.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#6105 - 0280218063SJ - Mass Air Flow Sensor (MAF) - Restore fuel economy and performance - Bosch - Audi Volkswagen

Restore fuel economy and performance We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
6105
Mfg#:
0280218063SJ
In Stock
45% off MSRP

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

$209.00

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

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

EFR 7670 Single Turbo Kit - DTM

ES#3247347 - FT-DTM-7670-MK4 - EFR 7670 Single Turbo Kit - DTM - Performance gains of up to 350 hp 360 ft-lbs @ 7 psi - HPA Motorsports - Volkswagen

Performance gains of up to 350 hp 360 ft-lbs @ 7 psi Built-to-order kit, expect 8-10 weeks for shipping. ECU must be shipped to HPA for software installation

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247347
Mfg#:
FT-DTM-7670-MK4
Ships on Oct 27, 2026
$8899.00 USD

Camshaft Chain Tensioner

ES#3234740 - 058109088K - Camshaft Chain Tensioner - Applies tension to the camshaft timing chain - Gates - Audi Volkswagen

Applies tension to the camshaft timing chain

Brand:
Gates - Corporate Logo
ES#:
3234740
Mfg#:
058109088K
In Stock
$285.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit

ES#3183541 - 034-509-5008-SD - Street Density Line Motor Mount Kit - Includes Engine and Transmission mount with 60 durometer rubber - 034Motorsport - Audi Volkswagen

Includes Engine and Transmission mount with 60 durometer rubber 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with manual transmission only

Brand:
034Motorsport - Corporate Logo
ES#:
3183541
Mfg#:
034-509-5008-SD
In Stock
$338.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Cast Aluminum Thermostat Housing

ES#3086042 - 006660ECS01 - Heavy Duty Cast Aluminum Thermostat Housing - The last thermostat housing you'll ever need! - ECS - Audi Volkswagen

The last thermostat housing you'll ever need! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3086042
Mfg#:
006660ECS01
In Stock
ON SALE! SAVE 25%
$85.99

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

$64.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump

ES#2642865 - 1J0919087J - Fuel Pump - Comes complete with fuel gauge sending unit - URO - Volkswagen

Comes complete with fuel gauge sending unit 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with a plastic union nut with VIN up to 9M-4-000 000 only, split is in the 2004 model year. Also fits all wagon models.

Brand:
URO - Corporate Logo
ES#:
2642865
Mfg#:
1J0919087J
In Stock
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo inlet hose - with clamps

ES#2785003 - 003598ECS03 - Silicone Turbo inlet hose - with clamps - For cars with 19mm & 25mm PCV - ECS - Volkswagen

For cars with 19mm & 25mm PCV 10X Entries Into Our F80 M3 Sweepstakes

Factory engine cover will not fit with the use of this inlet hose.

Brand:
ECS - Corporate Logo
ES#:
2785003
Mfg#:
003598ECS03
In Stock
ON SALE! SAVE 25%
$201.99

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

$151.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K03 Sport Turbocharger

ES#476454 - 06A145713D - K03 Sport Turbocharger - Complete turbo assembly - BorgWarner - Audi Volkswagen

Complete turbo assembly

Brand:
BorgWarner - Corporate Logo
ES#:
476454
Mfg#:
06A145713D
In Stock
$1217.99

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

$884.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit (87°C) - Featuring ECS Heavy Duty Cast Aluminum Thermostat Housing

ES#3138531 - 006660ECS01-01KT - Thermostat Replacement Kit (87C) - Featuring ECS Heavy Duty Cast Aluminum Thermostat Housing - Replace aged components while upgrading, with our ECS Cast Aluminum Thermostat Housing - Assembled By ECS - Audi Volkswagen

Replace aged components while upgrading, with our ECS Cast Aluminum Thermostat Housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3138531
Mfg#:
006660ECS01-01KT
In Stock
ON SALE! SAVE 23%
$112.96

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

$87.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 1 Liter

ES#1306830 - 2004 - Top Tec 4200 Long Life Synthetic Engine Oil (5w-30) - 1 Liter - Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications - Liqui-Moly - Audi BMW Volkswagen

Fully synthetic, low-SAPS motor oil developed for VAG 504.00/507.00 and BMW Longlife-04 specifications 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Required for vehicles with BEW engine code, may be used in vehicles with ALH engine code

Brand:
Liqui-Moly - Corporate Logo
ES#:
1306830
Mfg#:
2004
In Stock
$14.29 USD
Free Shipping
on orders $49 and up

VWR Billet Washer Fluid Reservoir Cap - Black

ES#3188200 - VWR19G704 - VWR Billet Washer Fluid Reservoir Cap - Black - Billet aluminum washer fluid cap to replace your blue plastic one - Racingline - Audi Volkswagen

Billet aluminum washer fluid cap to replace your blue plastic one

Brand:
Racingline - Corporate Logo
ES#:
3188200
Mfg#:
VWR19G704
Ships in 4 Business Days
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Stud Set

ES#514326 - 204-4103 - Cylinder Head Stud Set - Convert to high strength head studs - ARP - Audi Volkswagen

Convert to high strength head studs

Brand:
ARP - Corporate Logo
ES#:
514326
Mfg#:
204-4103
Ships in 10 Business Days
$249.99 USD
Free Shipping
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 Volkswagen

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings