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

Audi B5 Engine Cooling Parts

Sort By
Filter By
Return to Top

Radiator Fan Clutch

ES#2535166 - 058121350 - Radiator Fan Clutch - Also called the viscous coupling. a commonly overlooked source of overheating - URO - Audi Volkswagen

Also called the viscous coupling. a commonly overlooked source of overheating 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535166
Mfg#:
058121350
In Stock
$58.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Supply

ES#3448652 - 058121497B - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Rein - Audi Volkswagen

Connects the turbocharger to the connection flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3448652
Mfg#:
058121497B
In Stock
ON SALE!
$36.99

This product was last offered at the strikethrough price on
06-25-2026

$35.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Replacement Kit

ES#2973048 - 028117021EKT - Oil Cooler Replacement Kit - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-Y-022961, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973048
Mfg#:
028117021EKT
In Stock
ON SALE!
$187.99

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

$175.52 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608145 - 050121113CKT5 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608145
Mfg#:
050121113CKT5
Ships in 1-2 days
ON SALE!
$185.99

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

$175.27 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit

ES#2580975 - 8D0121403LKT - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Genuine Volkswagen Audi - Audi Volkswagen

Install a brand new expansion tank with a new cap and hardware From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2580975
Mfg#:
8D0121403LKT
Ships in 1-2 days
$174.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2799 - 8D0121251N - Radiator - Keep your cooling system operating properly - Nissens - Audi Volkswagen

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2799
Mfg#:
8D0121251N
In Stock at Vendor
$174.49 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Supply

ES#280023 - 06B121497F - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Genuine Volkswagen Audi - Audi Volkswagen

Connects the turbocharger to the connection flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280023
Mfg#:
06B121497F
In Stock
Limited Qty Sale
$261.11

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3618081 - 078121121J - Thermostat Housing - Located on the front right of the engine block - URO - Audi Volkswagen

Located on the front right of the engine block 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3618081
Mfg#:
078121121J
Ships in 1 Business Day
$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

ES#2816311 - 8D0959455D - Auxiliary Fan Assembly - Larger diameter fan on the left side - Hamburg Tech - Audi

Larger diameter fan on the left side We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816311
Mfg#:
8D0959455D
Ships in 2 Business Days
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

ES#2815897 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - Hamburg Tech - Audi

Larger diameter fan on the left side We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815897
Mfg#:
4Z7959455
Ships in 2 Business Days
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2972929 - 059919501AKT2 - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Hamburg Tech - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2972929
Mfg#:
059919501AKT2
Ships in 2 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#283635 - 078121601B - Auxiliary Water Pump - Used as a after run pump on the V6 engine - Genuine Volkswagen Audi - Audi Volkswagen

Used as a after run pump on the V6 engine Replacement water pump for auxiliary water pump relocation

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283635
Mfg#:
078121601B
Ships in 9 Business 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.

$171.99

This product was last offered at the strikethrough price on
06-04-2026

$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#3536250 - EZRSP102 - Anti-Freeze Tester - Don't let your engine freeze, be sure with this easy to use tester - E-Z Red Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't let your engine freeze, be sure with this easy to use tester

Brand:
E-Z Red Tools - Corporate Logo
ES#:
3536250
Mfg#:
EZRSP102
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#4952533 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Bremmen Parts - Audi Volkswagen

Does not include sealing O-Ring 10X Entries For Our 25th Anniversary Sweepstakes!
Lower temperature thermostat, stock is 87°C

Brand:
Bremmen Parts - Corporate Logo
ES#:
4952533
Mfg#:
075121113D
In Stock
ON SALE! SAVE 24%
$14.99

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

$11.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket - Priced Each

ES#2712942 - 078121043A - Water Pump Gasket - Priced Each - Ensure a proper seal when installing a new water pump - Elring - Audi Volkswagen

Ensure a proper seal when installing a new water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2712942
Mfg#:
078121043A
In Stock
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#1844158 - 078121601B - Auxiliary Water Pump - Used as a after run pump on the V6 engine - Pierburg - Audi Volkswagen

Used as a after run pump on the V6 engine Replacement water pump for auxiliary water pump relocation

Brand:
Pierburg - Corporate Logo
ES#:
1844158
Mfg#:
078121601B
Special Order: No Guaranteed ETA
$156.99 USD
Free Shipping
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 Audi

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