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 S4 Engine Cooling Parts

Sort By
Filter By
Return to Top

Oil Cooler O-Ring - Priced Each

ES#470915 - N90832501 - Oil Cooler O-Ring - Priced Each - Seals the connection between the oil cooler and the engine - Genuine Volkswagen Audi - Audi

Seals the connection between the oil cooler and the engine Up to VIN 8E-4-200000, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470915
Mfg#:
N90832501
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#3214625 - 078117021A - Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - URO - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
URO - Corporate Logo
ES#:
3214625
Mfg#:
078117021A
Ships in 1 Business Day
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch (91-102°C) - 3 Pin

ES#3478132 - 191959481A - Auxiliary Fan Switch (91-102C) - 3 Pin - Located on the lower side of the radiator - Meyle - Audi Volkswagen

Located on the lower side of the radiator 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3478132
Mfg#:
191959481A
Ships in 1-2 days
$18.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Return

ES#2803278 - 06E121082C - Oil Cooler Hose - Return - Connects the oil cooler to the hard water tube - Rein - Audi

Connects the oil cooler to the hard water tube 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803278
Mfg#:
06E121082C
In Stock at Vendor
ON SALE!
$12.99

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

$12.34 USD
Free Shipping
on orders $49 and up

radiator drain plug

ES#361667 - 4A0121140 - radiator drain plug - Allows you to empty your radiator of coolant with ease - Genuine Volkswagen Audi - Audi

Allows you to empty your radiator of coolant with ease

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
361667
Mfg#:
4A0121140
Ships in 3 Business 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.

$42.99

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

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#1435 - 069121113 - Thermostat (87C) - Prevent overheating and premature engine wear - Wahler - Audi

Prevent overheating and premature engine wear

Brand:
Wahler - Corporate Logo
ES#:
1435
Mfg#:
069121113
Ships on Sep 30, 2026
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2627317 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Rein - Audi Volkswagen

Connects the lower radiator port to the thermostat housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627317
Mfg#:
8D0121055T
Ships in 3 Business Days
ON SALE!
$37.99

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

$36.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3412038 - 4A0121403 - Coolant Expansion Tank - Replace cracked tanks. - Hudson - Audi

Replace cracked tanks.

Brand:
Hudson - Corporate Logo
ES#:
3412038
Mfg#:
4A0121403
Ships in 1-2 days
$36.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2828552 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - URO - Audi Volkswagen Porsche

Replacement 4 pin relay 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Used for fan control

Brand:
URO - Corporate Logo
ES#:
2828552
Mfg#:
7M0951253A
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3149391 - 069121113 - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Rein - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149391
Mfg#:
069121113
Ships in 3 Business Days
ON SALE!
$9.35

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

$8.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Bushing - Priced Each

ES#450296 - 8K0121276A - Lower 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#:
450296
Mfg#:
8K0121276A
In Stock
ON SALE!
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#3234900 - 078903137BL - Accessory Belt - Replace your cracked or worn belt - Gates - Audi

Replace your cracked or worn belt

Brand:
Gates - Corporate Logo
ES#:
3234900
Mfg#:
078903137BL
Ships on Sep 25, 2026
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2800809 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Meistersatz - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head

Brand:
Meistersatz - Corporate Logo
ES#:
2800809
Mfg#:
059919501A
Ships in 3 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

oil cooler

ES#2866456 - 078117021A - oil cooler - Common source of leaks, mounted between your oil filter and engine block - Febi - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
2866456
Mfg#:
078117021A
Back Ordered
$33.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#264109 - 4A0121403 - Coolant Expansion Tank - Replace cracked tanks. - Meyle - Audi

Replace cracked tanks. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
264109
Mfg#:
4A0121403
Ships on Sep 23, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#3625024 - 079919523B - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - FAE - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
FAE - Corporate Logo
ES#:
3625024
Mfg#:
079919523B
Ships on Sep 30, 2026
$32.99 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