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Volkswagen MK4 Engine Parts & Accessories

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MK4 High Flow Cooling Fan Conversion Kit & Performance Aluminum Radiator Kit

ES#4876692 - 013969LA02EBKT - MK4 High Flow Cooling Fan Conversion Kit & Performance Aluminum Radiator Kit - The ULTIMATE cooling upgrade for your MK4! - Enthusiast Bundles - Volkswagen

The ULTIMATE cooling upgrade for your MK4! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876692
Mfg#:
013969LA02EBKT
Ships on Oct 13, 2026
Auto Notify
ON SALE! SAVE 36%
$1100.97

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

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

Timing Belt Kit - Ultimate Plus

ES#5753 - 038198479V3 - Timing Belt Kit - Ultimate Plus - The most complete belt kit for your TDI. - Assembled By ECS - Volkswagen

The most complete belt kit for your TDI. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with ALH engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
5753
Mfg#:
038198479V3
Ships in 5 Business Days
ON SALE!
$458.45

This product was last offered at the strikethrough price on
07-02-2026

$418.68 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

K03 Sport Turbocharger With ECS Installation Kit

ES#1892047 - 06A145713DKT - K03 Sport Turbocharger With ECS Installation Kit - Replacement turbo with required hardware - Assembled By ECS - Audi Volkswagen

Replacement turbo with required hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1892047
Mfg#:
06A145713DKT
In Stock
$1378.99

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

$1045.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal - With Flange

ES#1899281 - 06A103171A - Rear Crankshaft Seal - With Flange - Also referred to as the rear main seal - Elring - Audi Volkswagen

Also referred to as the rear main seal 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
1899281
Mfg#:
06A103171A
In Stock
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#2710 - 078965561 - Auxiliary Water Pump - Secondary pump for more efficient cooling - Bosch - Audi Volkswagen

Secondary pump for more efficient cooling 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with 5-speed automatic transmission only

Brand:
Bosch - Corporate Logo
ES#:
2710
Mfg#:
078965561
In Stock
$133.99

This product was last offered at the strikethrough price on
03-17-2026

$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount -OR- Transmission Mount Installation Hardware Kit - Per Mount

ES#2917907 - 002465ECS01-02 - Engine Mount -OR- Transmission Mount Installation Hardware Kit - Per Mount - Replace your one-time use bolts with new hardware for a proper install. Use for engine mount or transmission mount. - ECS - Audi Volkswagen

Replace your one-time use bolts with new hardware for a proper install. Use for engine mount or transmission mount. 10X Entries For Our 25th Anniversary Sweepstakes!
One kit services one mount

Brand:
ECS - Corporate Logo
ES#:
2917907
Mfg#:
002465ECS01-02
In Stock
ON SALE! SAVE 20%
$38.99

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

$31.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Fan Assembly

ES#4742861 - 1K0121205AJ-K - Cooling Fan Assembly - URO - Audi Volkswagen

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4742861
Mfg#:
1K0121205AJ-K
Back Ordered
Auto Notify
$223.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hall Sender - Priced Each

ES#1876 - 058905161B - Hall Sender - Priced Each - Measures cam position and relays it to the ECU - Bosch - Audi Volkswagen

Measures cam position and relays it to the ECU 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1876
Mfg#:
058905161B
In Stock
$110.99

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

$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum oil filter housing - Black Anodized

ES#2804146 - 004673ECS01-01 - Billet Aluminum oil filter housing - Black Anodized - Upgrade to a more durable and attractive, billet oil filter housing - ECS - Audi Volkswagen

Upgrade to a more durable and attractive, billet oil filter housing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2804146
Mfg#:
004673ECS01-01
In Stock
ON SALE! SAVE 25%
$150.99

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

$113.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit - Ultimate - With Timing Tool Set

ES#5481009 - 038198480V3KT - Timing Belt Kit - Ultimate - With Timing Tool Set - Going beyond the basic kit with a new accessory belt, water pump, thermostat, stretch bolts, and a complete timing tool kit! - Assembled By ECS - Volkswagen

Going beyond the basic kit with a new accessory belt, water pump, thermostat, stretch bolts, and a complete timing tool kit! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with BEW engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481009
Mfg#:
038198480V3KT
In Stock at Vendor
ON SALE!
$426.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MK4 Performance Aluminum Radiator - With Installation Kit

ES#4005135 - 018163ECS02KT - MK4 Performance Aluminum Radiator - With Installation Kit - Direct-fit upgrade! Featuring a 26% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts, fan switch seal and coolant. - ECS - Audi Volkswagen

Direct-fit upgrade! Featuring a 26% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts, fan switch seal and coolant. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4005135
Mfg#:
018163ECS02KT
In Stock
ON SALE! SAVE 20%
$438.99

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

$351.19 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Service Kit

ES#2784953 - VR624VOIL1KT - Oil Service Kit - Includes oil filter and Liqui Moly 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes oil filter and Liqui Moly 5w-40 oil 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2784953
Mfg#:
VR624VOIL1KT
In Stock
$98.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Timing Belt Kit - Ultimate

ES#2146 - 038198479V2 - Timing Belt Kit - Ultimate - Going beyond the basic kit with a new accessory belt, water pump, and stretch bolts - Assembled By ECS - Volkswagen

Going beyond the basic kit with a new accessory belt, water pump, and stretch bolts 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with ALH engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2146
Mfg#:
038198479V2
Ships in 5 Business Days
ON SALE!
$306.99

This product was last offered at the strikethrough price on
03-17-2026

$294.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

380cc Fuel Injectors - Set Of Four

ES#2594193 - BOS380CC4 - 380cc Fuel Injectors - Set Of Four - Larger capacity fuel injector for performance uses. - Bosch - Audi Volkswagen

Larger capacity fuel injector for performance uses. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2594193
Mfg#:
BOS380CC4
In Stock
$279.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Kit

ES#2993356 - 06A198119D - Timing Belt Kit - Factory standard timing belt replacement kit - Genuine Volkswagen Audi - Volkswagen

Factory standard timing belt replacement kit

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993356
Mfg#:
06A198119D
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.

$222.99

This product was last offered at the strikethrough price on
02-26-2026

$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G-Force III Electronic Boost Controller

ES#3579230 - 3005 - G-Force III Electronic Boost Controller - G-Force II offers More Powerful Features, more Simplicity - Performance without the hassle! - Go Fast Bits - Audi Volkswagen

G-Force II offers More Powerful Features, more Simplicity - Performance without the hassle!

Brand:
Go Fast Bits - Corporate Logo
ES#:
3579230
Mfg#:
3005
In Stock at Vendor
$412.99 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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