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Volkswagen MK4 Engine Parts & Accessories

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Intake Valve Stem Seal - Priced Each

ES#2794667 - IEVTUU3 - Intake Valve Stem Seal - Priced Each - For use with 6mm intake valves only - Integrated Engineering - Audi Volkswagen

For use with 6mm intake valves only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794667
Mfg#:
IEVTUU3
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injectors - Set Of Four

ES#3691402 - 06a906031baKT - Fuel Injectors - Set Of Four - Replacement injector to keep your engine running smoothly - Bosch - Audi Volkswagen

Replacement injector to keep your engine running smoothly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AWW or AWP engine codes only

Brand:
Bosch - Corporate Logo
ES#:
3691402
Mfg#:
06A906031BAKT
In Stock at Vendor
$311.99

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

$302.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Installation Kit

ES#3383 - TRVKO4IK - Turbocharger Installation Kit - All the necessary hardware to install a K04 or K03 Sport turbo - Assembled By ECS - Audi Volkswagen

All the necessary hardware to install a K04 or K03 Sport turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
This kit does not include the OEM air duct that might be needed for the install of a K04 conversion on later vin cars see notes on ES#2668

Brand:
Assembled By ECS - Corporate Logo
ES#:
3383
Mfg#:
TRVKO4IK
In Stock
ON SALE! SAVE 24%
$151.99

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

$115.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Ignition Coils - Set Of Four

ES#5336660 - 056059la09-4KT - ECS Performance Ignition Coils - Set Of Four - Increased energy output over OE coils for a stronger, more consistent spark! - ECS - Audi Volkswagen

Increased energy output over OE coils for a stronger, more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5336660
Mfg#:
056059LA09-4KT
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 20%
$143.99

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

$115.17 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#6012 - N10303607 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x16 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the turbo support bracket to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6012
Mfg#:
N10303607
In Stock
3% off MSRP

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

$4.86

This product was last offered at the strikethrough price on
06-20-2026

$4.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 1

ES#2713443 - 002598ECS17AKT - 2.0T Coil Pack Conversion Kit - Stage 1 - Includes wrinkle red conversion plate -w- red 2.0T coils - Assembled By ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- red 2.0T coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2713443
Mfg#:
002598ECS17AKT
In Stock
ON SALE!
$271.33

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

$268.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#269554 - 022121011 - Water Pump - Includes O-ring - Genuine Volkswagen Audi - Audi Volkswagen

Includes O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
269554
Mfg#:
022121011
Ships in 1-2 days
7% off MSRP

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

$286.99

This product was last offered at the strikethrough price on
06-20-2026

$267.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - Priced Each

ES#2568402 - 021906031D - Fuel Injector - Priced Each - Includes both o-rings - Magneti Marelli - Volkswagen

Includes both o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magneti Marelli - Corporate Logo
ES#:
2568402
Mfg#:
021906031D
Ships in 1 Business Day
$172.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mahle Motorsport Race Main Bearings - Set

ES#2918544 - MAH-VM1028 - Mahle Motorsport Race Main Bearings - Set - Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder - Mahle - Audi Volkswagen

Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
2918544
Mfg#:
MAH-VM1028
In Stock
$218.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate

ES#3098283 - T306RBKT - Timing Belt Kit - Ultimate - A kit which include all the necessary timing components and seals. Featuring ECS Heavy Duty Cast Aluminum Thermostat Housing! - Assembled By ECS - Volkswagen

A kit which include all the necessary timing components and seals. Featuring ECS Heavy Duty Cast Aluminum Thermostat Housing! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes Gates Racing Kevlar Timing Belt with 300% the strength of a standard belt!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3098283
Mfg#:
T306RBKT
In Stock
ON SALE!
$516.39

This product was last offered at the strikethrough price on
03-24-2026

$480.87 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Pump

ES#2796223 - 06A115105B - Engine Oil Pump - Keeps oil flowing through the engine - Pierburg - Audi Volkswagen

Keeps oil flowing through the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2796223
Mfg#:
06A115105B
Ships in 10 Business Days
Auto Notify
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Speed Sensor Service Kit

ES#2804559 - 191919149EKT1 - Speed Sensor Service Kit - Includes speedometer pinion, guide bushing, speed sensor, and dielectric grease - Assembled By ECS - Volkswagen

Includes speedometer pinion, guide bushing, speed sensor, and dielectric grease affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with 5-speed manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804559
Mfg#:
191919149EKT1
Ships on Sep 18, 2026
Auto Notify
ON SALE! SAVE 20%
$99.99

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

$79.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

9 piece Silicone Coolant Hose Kit with clamps - black

ES#2770541 - 003592ECS01KT - 9 piece Silicone Coolant Hose Kit with clamps - black - Silicone coolant hose kit to upgrade from your stock rubber hoses - ECS - Volkswagen

Silicone coolant hose kit to upgrade from your stock rubber hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2770541
Mfg#:
003592ECS01KT
In Stock
ON SALE! SAVE 25%
$318.99

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

$239.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2763366 - 075121113DKT2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housings and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housings and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763366
Mfg#:
075121113DKT2
In Stock
ON SALE! SAVE 20%
$112.99

This product was last offered at the strikethrough price on
04-13-2026

$90.76 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - *ECS Recommends*

ES#2785066 - MK4TDIOILKT7 - Oil Service Kit - *ECS Recommends* - Includes Hengst oil filter and Liqui Moly 5w-40 oil - Assembled By ECS - Volkswagen

Includes Hengst oil filter and Liqui Moly 5w-40 oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2785066
Mfg#:
MK4TDIOILKT7
In Stock
ON SALE!
$81.28 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing

ES#4196 - 022121117C - Thermostat Housing - Common point of failure or leaking for the cooling system - Genuine Volkswagen Audi - Audi Volkswagen

Common point of failure or leaking for the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4196
Mfg#:
022121117C
In Stock
2% off MSRP

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

$183.99

This product was last offered at the strikethrough price on
04-24-2026

$180.99 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.

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