Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen MK4 Engine Cooling Parts

Sort By
Filter By
Return to Top

Water Pump Replacement Kit

ES#2730260 - 021121004X - Water Pump Replacement Kit - Refresh your accessory belt system during your water pump replacement - Assembled By ECS - Volkswagen

Refresh your accessory belt system during your water pump replacement 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without air conditioning

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730260
Mfg#:
021121004X
Ships in 1-2 days
$380.99

This product was last offered at the strikethrough price on
06-22-2026

$320.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cast Aluminum Coolant Flange

ES#3553273 - 462-121-132CS - Cast Aluminum Coolant Flange - Replace your inferior plastic component - iABED Industries - Volkswagen

Replace your inferior plastic component For vehicles with production date up to 08/31/2000 only

Brand:
iABED Industries - Corporate Logo
ES#:
3553273
Mfg#:
462-121-132CS
Back Ordered
Auto Notify
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#261234 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261234
Mfg#:
038121119B
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Fan Cowl

ES#252651 - 1J0121205BB41 - Engine Fan Cowl - Plastic surround that encases the fans - Genuine Volkswagen Audi - Audi Volkswagen

Plastic surround that encases the fans

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252651
Mfg#:
1J0121205BB41
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.

$341.99

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

$318.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pipe Kit - Stage 2

ES#2718487 - VR624VTHKR324 - Aluminum Water Pipe Kit - Stage 2 - Featuring ECS silver aluminum water pipe - Assembled By ECS - Audi Volkswagen

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718487
Mfg#:
VR624VTHKR324
In Stock at Vendor
ON SALE!
$319.51

This product was last offered at the strikethrough price on
06-18-2026

$318.29 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Primary Fan Assembly - 345MM

ES#2816134 - 6X0959455F - Primary Fan Assembly - 345MM - Main fan responsible for pulling air through your radiator. - Hamburg Tech - Audi Volkswagen

Main fan responsible for pulling air through your radiator. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816134
Mfg#:
6X0959455F
In Stock at Vendor
$62.99 USD
Free Shipping
on orders $49 and up

Thermostat Housing

ES#2500836 - 06A121121C - Thermostat Housing - Common point of failure for the cooling system. Does not include O-Ring. - URO - Audi Volkswagen

Common point of failure for the cooling system. Does not include O-Ring. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2500836
Mfg#:
06A121121C
In Stock
$6.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2682178 - 1J0122101CC - Radiator Hose - Upper - Includes a T fitting to supply coolant to the auxiliary water pump - Rein - Volkswagen

Includes a T fitting to supply coolant to the auxiliary water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2682178
Mfg#:
1J0122101CC
Ships in 2 Business Days
$61.99 USD
Free Shipping

Upper Radiator Coupler

ES#10458 - 1J0122291 - Upper Radiator Coupler - Coupler that connects the upper radiator hose to the radiator - Genuine Volkswagen Audi - Volkswagen

Coupler that connects the upper radiator hose to the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10458
Mfg#:
1J0122291
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.

$48.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Pressure Tester

ES#2748355 - VAG1274/8BKT - Cooling System Pressure Tester - Test for cooling system leaks - Genuine Volkswagen Audi - Volkswagen

Test for cooling system leaks

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2748355
Mfg#:
VAG1274/8BKT
Ships on Sep 8, 2026
$300.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring

ES#2718036 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Elring - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718036
Mfg#:
038117070A
In Stock
$1.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#307246 - 1J0122051H - Radiator Hose - Lower - Hose from radiator to water pump - Genuine Volkswagen Audi - Volkswagen

Hose from radiator to water pump For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307246
Mfg#:
1J0122051H
Ships in 1-2 days
6% off MSRP

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

$159.99

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

$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#468239 - N10458302 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x120x80 - Genuine Volkswagen Audi - Volkswagen

Install new hardware with your new parts. M6x120x80

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468239
Mfg#:
N10458302
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.

$4.86

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

$3.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2535131 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - URO - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535131
Mfg#:
N90316802
In Stock
$1.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#268978 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
268978
Mfg#:
021121119A
In Stock
35% off MSRP

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

$13.73

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

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seal

ES#280024 - 06B121687 - Seal - Install a new seal for a proper seal. 20.5x5.5 - Genuine Volkswagen Audi - Volkswagen

Install a new seal for a proper seal. 20.5x5.5 For vehicles with VIN from 9M-Y-085 001 only, split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280024
Mfg#:
06B121687
Ships in 1-2 days
14% off MSRP

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

$6.99

This product was last offered at the strikethrough price on
07-19-2026

$6.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings