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

Freeze Plug - Priced Each

ES#2865722 - 036103113A - Freeze Plug - Priced Each - Keep your engine block sealed. 36.6mm - Febi - Audi Volkswagen

Keep your engine block sealed. 36.6mm We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865722
Mfg#:
036103113A
Ships in 2 Business Days
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2816325 - 8E0121403A - Coolant Expansion Tank - Replace your old coolant tank and stop those pesky leaks - Hamburg Tech - Audi

Replace your old coolant tank and stop those pesky leaks We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816325
Mfg#:
8E0121403A
Ships in 2 Business Days
$32.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

Plastic reservoir for the coolant system

Brand:
Behr - Corporate Logo
ES#:
3658436
Mfg#:
8K0121403AC
Ships in 3 Business Days
$130.00

This product was last offered at the strikethrough price on
07-23-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2992206 - 06J121113A - Thermostat - Keep your cooling system efficient with a new thermostat - Mahle - Audi

Keep your cooling system efficient with a new thermostat For vehicles from production date 6/3/2012

Brand:
Mahle - Corporate Logo
ES#:
2992206
Mfg#:
06J121113A
Ships in 2 Business Days
$64.99

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

$62.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2535890 - 06E121005FMY - Water Pump - Includes gasket and features a metal impeller - Meyle - Audi Volkswagen

Includes gasket and features a metal impeller 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2535890
Mfg#:
06E121005FMY
Ships on Oct 1, 2026
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bleeder Screw - Metal

ES#470119 - N90534203 - Bleeder Screw - Metal - Located in the water pipe - Genuine Volkswagen Audi - Audi

Located in the water pipe Up to VIN# 8E-4-170 000, split is in 2003 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470119
Mfg#:
N90534203
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2845038 - 06L121043B - Water Pump Gasket - Gasket between the thermostat and water pump - Genuine Volkswagen Audi - Audi Volkswagen

Gasket between the thermostat and water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2845038
Mfg#:
06L121043B
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3235887 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Gates - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Gates - Corporate Logo
ES#:
3235887
Mfg#:
8D0121101K
Ships on Oct 5, 2026
$62.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2812900 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Hamburg Tech - Audi Volkswagen

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812900
Mfg#:
028117021E
Ships in 2 Business Days
$61.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Guide - Left

ES#436214 - 8E0121283AC - Radiator Air Guide - Left - Attaches to radiator to direct air - Genuine Volkswagen Audi - Audi

Attaches to radiator to direct air For vehicles with S-Line bumpers

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436214
Mfg#:
8E0121283AC
Ships in 9 Business 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.

$68.99

This product was last offered at the strikethrough price on
08-31-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4901335 - 8W0121405L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Meyle - Audi

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For Vehicles with CYMC Engine Code Only

Brand:
Meyle - Corporate Logo
ES#:
4901335
Mfg#:
8W0121405L
Ships in 7 Business Days
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2763564 - 06J121113A - Thermostat - Keep your cooling system efficient with a new thermostat - Vaico - Audi

Keep your cooling system efficient with a new thermostat We Price Match - Give Us A Call or Chat!
For vehicles from production date 6/3/2012

Brand:
Vaico - Corporate Logo
ES#:
2763564
Mfg#:
06J121113A
Back Ordered
$63.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2803793 - 06D121082B - Coolant Hose - Connects the distribution pipe to the hard pipe leading to the turbo - Rein - Audi

Connects the distribution pipe to the hard pipe leading to the turbo 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803793
Mfg#:
06D121082B
In Stock at Vendor
$7.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4165021 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - URO - Audi Volkswagen

Common source of undiscoverable coolant leaks 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4165021
Mfg#:
028117021E
Ships in 2 Business Days
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Guide - Right

ES#436225 - 8E0121284AD - Radiator Air Guide - Right - Attaches to radiator to direct air - Genuine Volkswagen Audi - Audi

Attaches to radiator to direct air For automatic transmission vehicles with the S-Line bumper

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436225
Mfg#:
8E0121284AD
Ships in 4 Business Days
9% off MSRP

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

$66.99

This product was last offered at the strikethrough price on
08-31-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3189293 - 603-638 - Coolant Expansion Tank - Plastic reservoir for cooling system - Dorman - Audi

Plastic reservoir for cooling system

Brand:
Dorman - Corporate Logo
ES#:
3189293
Mfg#:
603-638
Ships in 5 Business Days
$59.99 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 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