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

Front Coolant Pipe

ES#5341345 - TTE10524 - Front Coolant Pipe - Connects the left side water pipe elbow to the thermostat hose - The Turbo Engineers - Audi

Connects the left side water pipe elbow to the thermostat hose

Brand:
The Turbo Engineers - Corporate Logo
ES#:
5341345
Mfg#:
TTE10524
Ships on Nov 18, 2026
$69.99 USD
Free Shipping
on orders $49 and up

Coolant T Connector

ES#470540 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects to the lower radiator hose Connects lower radiator hose to the coolant expansion tank hose and water pump hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470540
Mfg#:
N90692901
Ships in 3 Business Days
15% off MSRP

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

$32.99

This product was last offered at the strikethrough price on
10-05-2026

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2872399 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Febi - Audi Volkswagen

Connects the upper radiator port to the hard water pipe We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872399
Mfg#:
8D0121101K
In Stock
Limited Qty Sale
$23.99

This product was last offered at the strikethrough price on
10-30-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Bushing - Priced Each

ES#1877499 - 8K0121275C - Upper Radiator Bushing - Priced Each - Rubber mounts that stabilize the radiator - Genuine Volkswagen Audi - Audi

Rubber mounts that stabilize the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1877499
Mfg#:
8K0121275C
Ships in 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electric Cooling Fan - Left (400mm)

ES#2598439 - 8E0959455K - Electric Cooling Fan - Left (400mm) - Keep your cooling system operating properly - Febi - Audi

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

Brand:
Febi - Corporate Logo
ES#:
2598439
Mfg#:
8E0959455K
Ships in 2 Business Days
$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#2731716 - 8E1820031 - Heater Core - Stop coolant loss and cure a fogged windshield - Vemo - Audi

Stop coolant loss and cure a fogged windshield

Brand:
Vemo - Corporate Logo
ES#:
2731716
Mfg#:
8E1820031
Ships in 2 Business Days
$138.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Hose

ES#4818446 - 06D121101B - Coolant Flange Hose - Connects the rear coolant flange to the hard water pipe - Bremmen Parts - Audi

Connects the rear coolant flange to the hard water pipe 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818446
Mfg#:
06D121101B
Ships on Apr 12, 2027
ON SALE! SAVE 18%
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
Ships in 7 Business Days
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Fitting

ES#257105 - 028115721 - Oil Filter Fitting - Fitting for oil filter adapter and oil cooler - Genuine Volkswagen Audi - Audi Volkswagen

Fitting for oil filter adapter and oil cooler

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257105
Mfg#:
028115721
Ships in 3 Business Days
15% off MSRP

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

$53.99

This product was last offered at the strikethrough price on
10-05-2026

$45.99 USD
Free Shipping
on orders $49 and up

Cylinder Head Cooling Flange

ES#2582070 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Vaico - Audi

Located at the rear of cylinder head, includes o-rings We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2582070
Mfg#:
06B121132E
Ships in 2 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2587387 - 8E0121403KT3 - Expansion Tank Replacement Kit - Everything in one kit to replace your coolant expansion tank - Assembled By ECS - Audi

Everything in one kit to replace your coolant expansion tank 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587387
Mfg#:
8E0121403KT3
In Stock
ON SALE!
$70.99

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

$68.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Shroud - Right

ES#450299 - 8K0121284G - Radiator Air Shroud - Right - Guides air into the radiator - Genuine Volkswagen Audi - Audi

Guides air into the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450299
Mfg#:
8K0121284G
Ships in 3 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.

$151.99

This product was last offered at the strikethrough price on
10-26-2026

$136.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return

ES#4846042 - 06B121065AC - Coolant Pipe - Return - Main return pipe that connects to the water pump and the heater core - Vaico - Audi

Main return pipe that connects to the water pump and the heater core We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4846042
Mfg#:
06B121065AC
Back Ordered
$93.99

This product was last offered at the strikethrough price on
10-26-2026

$67.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#3658435 - 8K0121403AC - Coolant Expansion Tank - Plastic reservoir for the coolant system - Rein - Audi Porsche

Plastic reservoir for the coolant system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3658435
Mfg#:
8K0121403AC
Ships in 4 Business Days
$58.99

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

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2649681 - 8E0121403AKT1 - Expansion Tank Replacement Kit - Composed of genuine Audi parts to fix your leaking coolant expansion tank. - Genuine Volkswagen Audi - Audi

Composed of genuine Audi parts to fix your leaking coolant expansion tank.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2649681
Mfg#:
8E0121403AKT1
Ships in 5 Business Days
$139.99

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

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#450277 - 8K0121109AA - Expansion Tank Hose - Connects the expansion tank to the radiator - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450277
Mfg#:
8K0121109AA
Ships on Nov 18, 2026
13% off MSRP

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

$154.99

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

$134.99 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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings