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Volkswagen MK4 Engine Parts & Accessories

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Standard Timing Chain Kit

ES#2763498 - 021198507kt2 - Standard Timing Chain Kit - Timing chain kit, including updated upper chain tensioner and rail - Assembled By ECS - Volkswagen

Timing chain kit, including updated upper chain tensioner and rail 10X Entries For Our 25th Anniversary Sweepstakes!
Upper timing chain is an OEM one piece unit - assembly of master link is not required

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763498
Mfg#:
021198507KT2
Ships in 8 Business Days
ON SALE! SAVE 22%
$301.85

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

$233.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259718 - N90687001 - Spring Clamp - Priced Each - Install new hardware with your new parts. 27x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27x12 Secures the return/supply hoses to the heater core

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259718
Mfg#:
N90687001
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor

ES#4070255 - 06A906461T - Mass Air Flow Sensor - Improve your fuel economy and restore performance with a new MAF - Bosch - Volkswagen

Improve your fuel economy and restore performance with a new MAF 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with BBW engine codes

Brand:
Bosch - Corporate Logo
ES#:
4070255
Mfg#:
06A906461T
In Stock at Vendor
$882.07

This product was last offered at the strikethrough price on
04-25-2026

$700.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MK4 Golf/GTI Performance Catback Exhaust System & Luft-Technik Intake System

ES#4751045 - 013940LA02EBKT - MK4 Golf/GTI Performance Catback Exhaust System & Luft-Technik Intake System - In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler - Enthusiast Bundles - Volkswagen

In-house engineered for VW MK4 enthusiasts! Featuring T304 SS Tig-welded 2.5" tubing, a center resonator and a straight-through perforated core muffler Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751045
Mfg#:
013940LA02EBKT
In Stock
ON SALE! SAVE 37%
$1112.99

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

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Street/Race Intake & Exhaust Camshaft Set

ES#5481263 - iecva2-2 KT - IE Street/Race Intake & Exhaust Camshaft Set - This matched high-performance camshaft set features aggressive profiles and pre-set centerlines to optimize valvetrain sequencing for 400+ HP turbocharged engines. - Integrated Engineering - Audi Volkswagen

This matched high-performance camshaft set features aggressive profiles and pre-set centerlines to optimize valvetrain sequencing for 400+ HP turbocharged engines. 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5481263
Mfg#:
IECVA2-2 KT
Ships in 4 Business Days
$699.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SPA Performance Forged Piston Set

ES#5444934 - CMBMVL016JG035 - SPA Performance Forged Piston Set - For VW/Audi 1.8L 20V 81mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444934
Mfg#:
CMBMVL016JG035
Ships in 3 Business Days
$699.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Starter - Remanufactured

ES#2626383 - 02M911023X - Starter - Remanufactured - Keep your engine starting strong with a new starter, includes refundable $90 core charge. - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine starting strong with a new starter, includes refundable $90 core charge.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2626383
Mfg#:
02M911023X
Ships in 7 Business Days
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Short Runner Intake Manifold

ES#3221089 - CTS-R32-SRI-MK4 - Short Runner Intake Manifold - High flow Aluminum short runner intake manifold - CTS - Volkswagen

High flow Aluminum short runner intake manifold

Brand:
CTS - Corporate Logo
ES#:
3221089
Mfg#:
CTS-R32-SRI-MK4
Special Order: No Guaranteed ETA
$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SportTuned Heavy Duty Valve Spring Kit

ES#2826592 - 10109604K - SportTuned Heavy Duty Valve Spring Kit - includes springs and required shims for installation - Autotech - Volkswagen

includes springs and required shims for installation

Brand:
Autotech - Corporate Logo
ES#:
2826592
Mfg#:
10109604K
In Stock
$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#4145022 - 06B905379D - Air Temperature Sensor - Mounted on the intake manifold - Hella - Audi Volkswagen

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

Brand:
Hella - Corporate Logo
ES#:
4145022
Mfg#:
06B905379D
In Stock
$37.99

This product was last offered at the strikethrough price on
03-23-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Dogbone Mount Bushing - Street

ES#2650154 - PFF85-505 - Performance Polyurethane Dogbone Mount Bushing - Street - A more solid bridge between your chassis and transmission for a better driving experience. - Powerflex - Audi Volkswagen

A more solid bridge between your chassis and transmission for a better driving experience.

Brand:
Powerflex - Corporate Logo
ES#:
2650154
Mfg#:
PFF85-505
Ships in 6 Business Days
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - Priced Each

ES#2569736 - 022906031J - Fuel Injector - Priced Each - Keep your engine running smooth - includes o-rings - Bosch - Audi Volkswagen

Keep your engine running smooth - includes o-rings 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2569736
Mfg#:
022906031J
Back Ordered
$116.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Eurodyne Reflash - With Powertap Air Flash Tool

ES#3147671 - ed-1.8-awp-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 35-50 hp and 77-107 ft-lb of torque - Eurodyne - Volkswagen

Tune your car with just your laptop and choose gains ranging from 35-50 hp and 77-107 ft-lb of torque

Brand:
Eurodyne - Corporate Logo
ES#:
3147671
Mfg#:
ED-1.8-AWP-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MK4 Golf Performance Catback Exhaust System & Luft-Technik Intake System

ES#4876690 - 013940LA02EBKT2 - MK4 Golf Performance Catback Exhaust System & Luft-Technik Intake System - The ULTIMATE auditory upgrade for your MK4! Featuring a single-exit turndown tip and wrinkle black intake piping. - Enthusiast Bundles - Volkswagen

The ULTIMATE auditory upgrade for your MK4! Featuring a single-exit turndown tip and wrinkle black intake piping. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876690
Mfg#:
013940LA02EBKT2
Ships on Oct 9, 2026
Auto Notify
ON SALE! SAVE 14%
$817.07

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

$699.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate With Gates Racing Timing Belt & Performance Pulley Set

ES#5138 - 06B198479V2UDBLK - Timing Belt Kit - Ultimate With Gates Racing Timing Belt & Performance Pulley Set - Includes ECS Tuning's Lightweight Underdrive Pulley Kit in Black. - Assembled By ECS - Audi Volkswagen

Includes ECS Tuning's Lightweight Underdrive Pulley Kit in Black. 10X Entries For Our 25th Anniversary Sweepstakes!
Includes Gates Racing Kevlar Timing Belt with 300% the strength of a standard belt!
Vehicles with a clutched alternator pulley will require kit ES419.

Brand:
Assembled By ECS - Corporate Logo
ES#:
5138
Mfg#:
06B198479V2UDBLK
In Stock
ON SALE!
$758.99

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

$697.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intercooler

ES#2695457 - 1J0145803G - Intercooler - Quality replacement intercooler - Mahle-Behr - Volkswagen

Quality replacement intercooler For vehicles with VIN up to 1J-3-058 311, split is in the 2003 model year

Brand:
Mahle-Behr - Corporate Logo
ES#:
2695457
Mfg#:
1J0145803G
In Stock at Vendor
$174.14 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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