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 B6 Engine Cooling Parts

Sort By
Filter By
Return to Top

Coolant Hose

ES#280016 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Genuine Volkswagen Audi - Audi

Connects the hard water pipe to the rear coolant flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280016
Mfg#:
06B121101A
Ships in 4 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3624900 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - FAE - Audi Volkswagen

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

Brand:
FAE - Corporate Logo
ES#:
3624900
Mfg#:
059919501A
Ships on Sep 23, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#3463367 - 8E0121101 - Upper Radiator Hose - Connects the upper radiator to the expansion tank and thermostat housing - Hudson - Audi

Connects the upper radiator to the expansion tank and thermostat housing

Brand:
Hudson - Corporate Logo
ES#:
3463367
Mfg#:
8E0121101
Ships in 1-2 days
$50.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose - Supply

ES#4818444 - 06D121057L - Cooling Hose - Supply - Connects the cooling supply pipes - Bremmen Parts - Audi

Connects the cooling supply pipes 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818444
Mfg#:
06D121057L
In Stock
ON SALE! SAVE 50%
$9.99

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

$5.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 59%
$1.99

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

$0.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2091199 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Genuine Volkswagen Audi - Audi

Plastic pressure cap for expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2091199
Mfg#:
8E0121321
Ships in 1-2 days
13% off MSRP

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

$55.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal 185 Degree Thermo-Switch

Replacement thermo-switch for Spal electric fan conversion kits.

Brand:
Spal - Corporate Logo
ES#:
4753440
Mfg#:
SPL185TS
Back Ordered
Auto Notify
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2762251 - 06C121111EKT1 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762251
Mfg#:
06C121111EKT1
Ships in 1-2 days
ON SALE! SAVE 24%
$57.99

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

$44.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe O-Ring - Priced Each

ES#2803463 - N90765301 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 32X4 - Rein - Audi Volkswagen

Provides seal from metal to plastic cooling line end fitting. 32X4 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803463
Mfg#:
N90765301
In Stock
ON SALE! SAVE 27%
$3.99

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

$2.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Wrench

ES#2210254 - VAG1590 - Water Pump Wrench - Used for removing 2-piece pulley on V-belt systems - Genuine Volkswagen Audi - Audi Volkswagen

Used for removing 2-piece pulley on V-belt systems

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210254
Mfg#:
VAG1590
In Stock
ON SALE! SAVE 13%
$47.99

This product was last offered at the strikethrough price on
08-24-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Gasket

ES#2800349 - 06D117070 - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Ajusa - Audi Volkswagen

Connects oil cooler to oil filter housing

Brand:
Ajusa - Corporate Logo
ES#:
2800349
Mfg#:
06D117070
Ships in 1-2 days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#262927 - 4B0121107B - Expansion Tank Vent Hose - This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor - Genuine Volkswagen Audi - Audi

This hose runs off the back of the expansion tank, and goes to the hard coolant pipe on the back of the motor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
262927
Mfg#:
4B0121107B
Ships in 1-2 days
11% off MSRP

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

$46.00

This product was last offered at the strikethrough price on
09-06-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Band Clamp - Priced Each

ES#366522 - 4B0422379A - Spring Band Clamp - Priced Each - Keep lines and hoses secure and leak free. 25x12 - Genuine Volkswagen Audi - Audi

Keep lines and hoses secure and leak free. 25x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
366522
Mfg#:
4B0422379A
Ships in 1-2 days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Engine Coolant Recovery Tank

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank

Brand:
Behr - Corporate Logo
ES#:
2862682
Mfg#:
376737131
In Stock at Vendor
$47.17

This product was last offered at the strikethrough price on
08-14-2026

$38.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2803054 - 06F121057D - Coolant Hose - Rubber coolant hose that connects thermostat to coolant hard pipe - Rein - Audi

Rubber coolant hose that connects thermostat to coolant hard pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803054
Mfg#:
06F121057D
Ships in 1 Business Day
ON SALE!
$4.07

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

$3.87 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