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Volkswagen MK4 Engine Parts & Accessories

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Euro Sport ITG Cool-Flo Air Intake

Add real power that you can feel Vehicles with secondary air injection will require ES3200849

Brand:
Euro Sport Acc - Corporate Logo
ES#:
3202590
Mfg#:
15086
Ships in 3 Business Days
$229.99 USD
Free Shipping
on orders $49 and up

Genuine Standard Timing Belt Kit

ES#2763864 - 06A109119CstdKT - Genuine Standard Timing Belt Kit - Basic kit including the timing belt and tensioner roller - Genuine Volkswagen Audi - Volkswagen

Basic kit including the timing belt and tensioner roller

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2763864
Mfg#:
06A109119CSTDKT
Ships in 4 Business Days
$241.99

This product was last offered at the strikethrough price on
02-16-2026

$229.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank - With Cap

ES#3189262 - 603-027 - Coolant Expansion Tank - With Cap - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Dorman - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank

Brand:
Dorman - Corporate Logo
ES#:
3189262
Mfg#:
603-027
Ships in 4 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Sealing O-Ring - Priced Each

ES#274529 - 037121687 - Coolant Flange Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Genuine Volkswagen Audi - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274529
Mfg#:
037121687
In Stock
30% off MSRP

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

$7.08

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

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#4846045 - 038121065Q - Coolant Pipe - Large water pipe that connects to various hoses - Vaico - Volkswagen

Large water pipe that connects to various hoses We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code, manual transmission with VIN from 9M-Y-111 001 only, split is in the 2000 model year

Brand:
Vaico - Corporate Logo
ES#:
4846045
Mfg#:
038121065Q
Special Order: No Guaranteed ETA
Auto Notify
$228.99 USD
Free Shipping
on orders $49 and up

Accessory Belt Tensioner - Assembly

ES#2677979 - 021145299C - Accessory Belt Tensioner - Assembly - Keep your drive belt tight to your accessories. - Ina - Volkswagen

Keep your drive belt tight to your accessories. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2677979
Mfg#:
021145299C
Back Ordered
$114.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Breather Hose

ES#3419608 - 034-101-3035 - Silicone Breather Hose - Reinforced silicone 1.8T lower block breather hose to replace the crumbling factory plastic and rubber lower breather hoses - 034Motorsport - Audi Volkswagen

Reinforced silicone 1.8T lower block breather hose to replace the crumbling factory plastic and rubber lower breather hoses For vehicles with AWW or AWP engine codes, with production date up to 6/30/2003

Brand:
034Motorsport - Corporate Logo
ES#:
3419608
Mfg#:
034-101-3035
Ships in 2 Business Days
$114.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Quad Ring Oil Filter Gasket

ES#3514764 - QR2 - Quad Ring Oil Filter Gasket - Replacement gasket for all K&P Engineering spin-on filters - K&P Engineering - Audi Volkswagen

Replacement gasket for all K&P Engineering spin-on filters

Brand:
K&P Engineering - Corporate Logo
ES#:
3514764
Mfg#:
QR2
Ships in 7 Business Days
$2.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#2550762 - 021103383N - Cylinder Head Gasket - Gasket between your cylinder head and engine block - Elring - Volkswagen

Gasket between your cylinder head and engine block 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2550762
Mfg#:
021103383N
In Stock
Limited Qty Sale
$87.76

This product was last offered at the strikethrough price on
05-12-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#3419845 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Facet - Audi Volkswagen

Mounted on the intake manifold For vehicles with VIN from 1J-34026 547 only, split is in the 2003 model year

Brand:
Facet - Corporate Logo
ES#:
3419845
Mfg#:
06B905379D
Ships in 1 Business Day
$20.99

This product was last offered at the strikethrough price on
07-15-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Timing Chain Kit

ES#3411878 - 021198507KT4 - Build Your Own Timing Chain Kit - Choose the parts you would like for a timing chain service. - Assembled By ECS - Volkswagen

Choose the parts you would like for a timing chain service. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3411878
Mfg#:
021198507KT4
Ships in 4 Business Days
ON SALE!
Starting at $243.21 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Bolt Set - With Tool

ES#263802 - 204-3902 - Cylinder Head Bolt Set - With Tool - High strength head bolts with a triple square head - ARP - Audi Volkswagen

High strength head bolts with a triple square head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
263802
Mfg#:
204-3902
Ships on Aug 31, 2026
$226.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt

ES#4698387 - 021198002KT - Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt - Keep your drive belt tight with an ECS Performance Kevlar Reinforced Accessory Belt, tensioner, and hardware. - Assembled By ECS - Volkswagen

Keep your drive belt tight with an ECS Performance Kevlar Reinforced Accessory Belt, tensioner, and hardware. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without factory air conditioning

Brand:
Assembled By ECS - Corporate Logo
ES#:
4698387
Mfg#:
021198002KT
Ships in 1 day
ON SALE!
$119.99

This product was last offered at the strikethrough price on
07-09-2026

$113.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Timing Belt Kit

ES#4859159 - 038109119PKIT - Water Pump & Timing Belt Kit - Includes mounting/fastening material, with coolant, with water pump - Vaico - Volkswagen

Includes mounting/fastening material, with coolant, with water pump We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code only

Brand:
Vaico - Corporate Logo
ES#:
4859159
Mfg#:
038109119PKIT
Special Order: No Guaranteed ETA
$225.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Boost Tee Manual Boost Controller - Black

ES#4430283 - TS-0101-1102 - Turbosmart Boost Tee Manual Boost Controller - Black - In-car boost controller for fine tuning - TurboSmart - Audi Volkswagen MINI Porsche

In-car boost controller for fine tuning

Brand:
TurboSmart - Corporate Logo
ES#:
4430283
Mfg#:
TS-0101-1102
In Stock at Vendor
10% off MSRP

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

$124.99

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

$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - With ECS Magnetic Drain Plug

ES#5388 - MK44C3KKTwmdp - Oil Service Kit - With ECS Magnetic Drain Plug - Includes standard Mann oil filter and Vaico 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes standard Mann oil filter and Vaico 5w-40 oil 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5388
Mfg#:
MK44C3KKTWMDP
Ships in 6 Business Days
$112.99 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 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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