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Volkswagen MK4 Engine Parts & Accessories

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Cylinder Head Gasket

ES#4432 - 021103383N - Cylinder Head Gasket - Gasket between your cylinder head and engine block - Victor Reinz - Volkswagen

Gasket between your cylinder head and engine block

Brand:
Victor Reinz - Corporate Logo
ES#:
4432
Mfg#:
021103383N
Ships in 6 Business Days
$69.99

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

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set

ES#2135671 - 06A198151C - Piston Ring Set - One set per cylinder - Goetze - Audi Volkswagen

One set per cylinder For vehicles with VIN up to 1J-3-012 159, split is in the 2003 model year

Brand:
Goetze - Corporate Logo
ES#:
2135671
Mfg#:
06A198151C
Ships in 1-2 days
$51.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner Rail - Upper Chain

ES#3220469 - 021109509E - Timing Chain Tensioner Rail - Upper Chain - Keeps tension on the upper timing chain to prevent slap and excess movement - Bremmen Parts - Volkswagen

Keeps tension on the upper timing chain to prevent slap and excess movement 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220469
Mfg#:
021109509E
In Stock
ON SALE! SAVE 15%
$23.99

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

$20.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

40k Scheduled Service Kit

ES#1539 - MK418T40KSK - 40k Scheduled Service Kit - Everything you need to perform the recommended 40k mile service. - Assembled By ECS - Audi Volkswagen

Everything you need to perform the recommended 40k mile service. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
1539
Mfg#:
MK418T40KSK
In Stock
ON SALE!
$211.99

This product was last offered at the strikethrough price on
09-29-2026

$203.54 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Camshaft Counterholding Tool

ES#1844103 - 3036 - Camshaft Counterholding Tool - Essential for doing a timing belt change - Genuine Volkswagen Audi - Volkswagen

Essential for doing a timing belt change

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1844103
Mfg#:
3036
Special Order: No Guaranteed ETA
$202.47 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Four

ES#518033 - 06B998115R - Ignition Coils - Set Of Four - A common cure for misfire codes - Bremi - Audi Volkswagen

A common cure for misfire codes For vehicles with AWW or AWP engine codes only

Brand:
Bremi - Corporate Logo
ES#:
518033
Mfg#:
06B998115R
In Stock at Vendor
$100.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Cover Pull Off Retrofit Kit

ES#2793786 - ALHCVRRETROKT - Engine Cover Pull Off Retrofit Kit - Modify your ALH engine cover to easily pull off, just like the newer models - Genuine Volkswagen Audi - Volkswagen

Modify your ALH engine cover to easily pull off, just like the newer models For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2793786
Mfg#:
ALHCVRRETROKT
Ships in 5 Business Days
$100.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Emissions Service Kit

ES#2793803 - 06A103247KT5 - Emissions Service Kit - Featuring ECS silicone upgraded PCV hoses - Assembled By ECS - Volkswagen

Featuring ECS silicone upgraded PCV hoses 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with an AWP engine code up to production date 6.30.2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
2793803
Mfg#:
06A103247KT5
Back Ordered
ON SALE! SAVE 24%
$263.99

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

$201.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner - Upper Chain

ES#2597203 - 021109507B - Timing Chain Tensioner - Upper Chain - Keeps your timing set in order - Iwis - Volkswagen

Keeps your timing set in order

Brand:
Iwis - Corporate Logo
ES#:
2597203
Mfg#:
021109507B
Ships in 1-2 days
$67.78

This product was last offered at the strikethrough price on
09-30-2026

$40.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug Repair Harness

ES#240992 - 028971766 - Glow Plug Repair Harness - Common remedy for glow plug faults. - Genuine Volkswagen Audi - Volkswagen

Common remedy for glow plug faults. For vehicles with ALH engine code up through the 2001 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
240992
Mfg#:
028971766
In Stock
7% off MSRP

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

$214.97

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

$200.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4464765 - 2.0-8V - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Volkswagen

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4464765
Mfg#:
2.0-8V
In Stock
ON SALE!
Starting at $200.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4465323 - 1.9-ALH - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Volkswagen

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
For vehicles with ALH engine code only

Brand:
Unitronic - Corporate Logo
ES#:
4465323
Mfg#:
1.9-ALH
In Stock
ON SALE!
Starting at $200.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator Harness

ES#311082 - 1J0971349HT - Alternator Harness - Segment harness from alternator to fuse box. - Genuine Volkswagen Audi - Volkswagen

Segment harness from alternator to fuse box. For vehicles with BEW engine code and manual transmission with air conditioning only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
311082
Mfg#:
1J0971349HT
Ships in 1-2 days
9% off MSRP

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

$219.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator Harness

ES#311076 - 1J0971349GN - Alternator Harness - Connects the alternator to the charging system - Genuine Volkswagen Audi - Audi Volkswagen

Connects the alternator to the charging system For vehicles with AWW, AWD engine code only. Also fits AWP engine code with manual transmission.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
311076
Mfg#:
1J0971349GN
Ships in 1-2 days
9% off MSRP

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

$219.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Line

ES#275174 - 038130301 - Fuel Line - Pressure line for cylinder #1 - Genuine Volkswagen Audi - Volkswagen

Pressure line for cylinder #1 For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275174
Mfg#:
038130301
Ships in 3 Business Days
11% off MSRP

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

$223.99

This product was last offered at the strikethrough price on
08-31-2026

$199.99 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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