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 A4 Engine Cooling Parts

Sort By
Filter By
Return to Top

Radiator

ES#2649775 - 8K0121251AA - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi Porsche

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2649775
Mfg#:
8K0121251AA
In Stock at Vendor
$363.82

This product was last offered at the strikethrough price on
07-15-2026

$335.74 USD
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit W/ R8 Coolant Cap

ES#2598438 - 8D0121403DR8KT - Expansion Tank Replacement Kit W/ R8 Coolant Cap - Install a brand new expansion tank with a new R8 polished aluminum cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new R8 polished aluminum cap and hardware 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2598438
Mfg#:
8D0121403DR8KT
Back Ordered
$335.53 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit With Hoses

ES#2587710 - 8E0121049NKT1 - Radiator Installation Kit With Hoses - Everything you need to install a new radiator in your Audi - Assembled By ECS - Audi

Everything you need to install a new radiator in your Audi 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587710
Mfg#:
8E0121049NKT1
Back Ordered
Auto Notify
ON SALE! SAVE 11%
$372.99

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

$332.13 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator air guide - left

ES#2571606 - 8K0121283T - Radiator air guide - left - Keep air flowing into your radiator - Genuine Volkswagen Audi - Audi

Keep air flowing into your radiator From production date 3/27/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2571606
Mfg#:
8K0121283T
Ships in 2 Business Days
8% off MSRP

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

$360.00

This product was last offered at the strikethrough price on
07-26-2026

$329.99 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
Ships in 1-2 days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Water Pump Kit

ES#4849600 - 06H121026DS - Upgraded Aluminum Water Pump Kit - Includes a new water pump, aluminum thermostat/housing, & hardware. - Vaico - Audi Volkswagen

Includes a new water pump, aluminum thermostat/housing, & hardware. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4849600
Mfg#:
06H121026DS
Special Order: No Guaranteed ETA
$323.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#1848432 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848432
Mfg#:
N90136802
In Stock
10% off MSRP

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

$7.80

This product was last offered at the strikethrough price on
07-26-2026

$7.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Gasket Set

ES#2574925 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - ACM - Audi Volkswagen

Includes the necessary gaskets and clamps for your new heater core

Brand:
ACM - Corporate Logo
ES#:
2574925
Mfg#:
8E0898380
In Stock
ON SALE! SAVE 14%
$22.00

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#4004591 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Rein - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004591
Mfg#:
5Q0121321
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Water Hose

ES#280784 - 06E121065H - Thermostat Water Hose - The hose that comes off of the lower part of your thermostat - Genuine Volkswagen Audi - Audi

The hose that comes off of the lower part of your thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280784
Mfg#:
06E121065H
Ships in 2 Business Days
8% off MSRP

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

$175.00

This product was last offered at the strikethrough price on
07-26-2026

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

Cooling System Refresh Kit - Level 2

ES#2582027 - 06D121111GKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2582027
Mfg#:
06D121111GKT2
In Stock
ON SALE! SAVE 11%
$179.99

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

$160.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Gasket

ES#3537700 - 06L121139 - Thermostat Gasket - Seals the thermostat and water pump to the engine - Elring - Audi Volkswagen

Seals the thermostat and water pump to the engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3537700
Mfg#:
06L121139
In Stock
$8.99

This product was last offered at the strikethrough price on
03-09-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Fan Assembly Without Controller

ES#3189424 - 620-808 - Dual Fan Assembly Without Controller - Keep your cooling system operating properly - Dorman - Audi

Keep your cooling system operating properly

Brand:
Dorman - Corporate Logo
ES#:
3189424
Mfg#:
620-808
Ships in 4 Business Days
$315.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger coolant hose - return

ES#281437 - 06H121492D - Turbocharger coolant hose - return - Connects the turbocharger to the water pipe - Genuine Volkswagen Audi - Audi

Connects the turbocharger to the water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281437
Mfg#:
06H121492D
In Stock
Limited Qty Sale
$180.99

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

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Cooling Hose - Return Line

ES#280431 - 06D121492J - Turbo Cooling Hose - Return Line - Connects the turbocharger to the hard water pipe - Genuine Volkswagen Audi - Audi

Connects the turbocharger to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280431
Mfg#:
06D121492J
Ships in 3 Business Days
8% 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
07-26-2026

$157.99 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