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Volkswagen MK4 Engine Cooling Parts

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ECS Tuning Water Pipe Kit - Stage 3

ES#1892127 - VR612VTHKWT2G - ECS Tuning Water Pipe Kit - Stage 3 - Includes everything from Stage 2 kit plus ECS billet aluminum water pipe in black - Assembled By ECS - Volkswagen

Includes everything from Stage 2 kit plus ECS billet aluminum water pipe in black 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1892127
Mfg#:
VR612VTHKWT2G
In Stock
ON SALE! SAVE 11%
$259.99

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

$232.42 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Cooler

ES#3478143 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Nissens - Audi Volkswagen

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3478143
Mfg#:
028117021E
In Stock at Vendor
$118.99

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

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit With Radiator Mounts And Hardware

ES#2588189 - 1J0806155EKT1 - Radiator Installation Kit With Radiator Mounts And Hardware - When replacing or reinstalling your radiator do not reuse your old, worn radiator mounts. - Genuine Volkswagen Audi - Volkswagen

When replacing or reinstalling your radiator do not reuse your old, worn radiator mounts. For vehicles with factory air conditioning

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588189
Mfg#:
1J0806155EKT1
Ships in 4 Business Days
$115.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

7 Piece Silicone Coolant Hose Kit - Red

ES#1843969 - FMKC005R - 7 Piece Silicone Coolant Hose Kit - Red - Replace your stock rubber hoses with silicone - Forge - Volkswagen

Replace your stock rubber hoses with silicone For vehicles with AWP engine code only

Brand:
Forge - Corporate Logo
ES#:
1843969
Mfg#:
FMKC005R
Back Ordered
$230.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

7 Piece Silicone Coolant Hose Kit - Blue

ES#1843970 - FMKC005B - 7 Piece Silicone Coolant Hose Kit - Blue - Replace your stock rubber hoses with silicone - Forge - Volkswagen

Replace your stock rubber hoses with silicone For vehicles with AWP engine code only

Brand:
Forge - Corporate Logo
ES#:
1843970
Mfg#:
FMKC005B
Back Ordered
$230.00 USD
Free Shipping
on orders $49 and up
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 5 Business Days
$45.99 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

Thermostat Housing Cover

ES#4760014 - 021121121C - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - Bremmen Parts - Volkswagen

Common source of coolant leaks around your thermostat 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4760014
Mfg#:
021121121C
In Stock
ON SALE! SAVE 20%
$10.99

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

$8.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#307268 - 1J0122101CC - Radiator Hose - Upper - Includes a T fitting to supply coolant to the auxiliary water pump - Genuine Volkswagen Audi - Volkswagen

Includes a T fitting to supply coolant to the auxiliary water pump For vehicles with AWW or AWP engine code with 5-speed automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307268
Mfg#:
1J0122101CC
In Stock at Vendor
$230.99

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

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Zerex Ht-12 Pink

ES#5435259 - 904683 - Zerex Ht-12 Pink - Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles. - Zerex - Audi Volkswagen

Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles.

Brand:
Zerex - Corporate Logo
ES#:
5435259
Mfg#:
904683
Ships in 2 Business Days
$25.99

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

$24.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3476100 - 1J0121407F - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Behr - Audi Volkswagen

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

Brand:
Behr - Corporate Logo
ES#:
3476100
Mfg#:
1J0121407F
In Stock at Vendor
$33.99

This product was last offered at the strikethrough price on
03-04-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pipe Kit - Stage 2

ES#1892123 - VR624VTHKWG - Aluminum Water Pipe Kit - Stage 2 - Featuring ECS black aluminum water pipe - Assembled By ECS - Volkswagen

Featuring ECS black aluminum water pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
1892123
Mfg#:
VR624VTHKWG
In Stock
ON SALE!
$235.99

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

$222.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2814378 - 1J0919506K - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 14 pin connector - Hamburg Tech - Audi Volkswagen

1 large 4 pin connector and 1 small 14 pin connector We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 9M-Y-000 001 only, split is in the 2000 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814378
Mfg#:
1J0919506K
In Stock at Vendor
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#307172 - 1J0121087B - Coolant Distribution Pipe - Three way connector that attaches directly to the upper radiator hose - Genuine Volkswagen Audi - Audi Volkswagen

Three way connector that attaches directly to the upper radiator hose For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307172
Mfg#:
1J0121087B
Ships in 1-2 days
10% off MSRP

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

$40.99

This product was last offered at the strikethrough price on
07-28-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#275122 - 038121065Q - Coolant Pipe - Large water pipe that connects to various hoses - Genuine Volkswagen Audi - Volkswagen

Large water pipe that connects to various hoses For vehicles with ALH engine code, manual transmission with VIN from 9M-Y-111 001 only, split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275122
Mfg#:
038121065Q
Ships in 6 Business 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.

$234.99

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

$219.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Flush Kit

ES#2784778 - CO0LANTFLUSHKT1 - Cooling System Flush Kit - Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. - Assembled By ECS - Audi Volkswagen

Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2784778
Mfg#:
CO0LANTFLUSHKT1
In Stock
ON SALE! SAVE 10%
$59.99

This product was last offered at the strikethrough price on
06-16-2026

$54.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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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