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 Thermostat Housings

Sort By
Filter By
Return to Top

Heavy Duty Cast Aluminum Thermostat Housing

ES#3086042 - 006660ECS01 - Heavy Duty Cast Aluminum Thermostat Housing - The last thermostat housing you'll ever need! - ECS - Audi Volkswagen

The last thermostat housing you'll ever need! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3086042
Mfg#:
006660ECS01
In Stock
ON SALE! SAVE 40%
$83.99

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

$50.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Integrated Thermostat Housing Assembly

ES#4900436 - 946-189 - Integrated Thermostat Housing Assembly - Includes thermostat and housing. - MotoRad - Audi

Includes thermostat and housing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code BNK (05-06)

Brand:
MotoRad
ES#:
4900436
Mfg#:
946-189
In Stock at Vendor
$504.63

This product was last offered at the strikethrough price on
02-16-2026

$484.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Cooling System Upgrade Kit

ES#3086229 - 006368ecs01a1KT - Cast Aluminum Cooling System Upgrade Kit - Replace the failure prone components in your cooling system with cast aluminum - Assembled By ECS - Audi Volkswagen

Replace the failure prone components in your cooling system with cast aluminum affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without opening for thermal switch with engine code AMU

Brand:
Assembled By ECS - Corporate Logo
ES#:
3086229
Mfg#:
006368ECS01A1KT
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$231.99

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

$173.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2586887 - 06H121113BKT1 - Thermostat Replacement Kit - Includes a thermostat, housing, O-ring and bolts - Assembled By ECS - Audi Volkswagen

Includes a thermostat, housing, O-ring and bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with TSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586887
Mfg#:
06H121113BKT1
In Stock
ON SALE! SAVE 54%
$54.99

This product was last offered at the strikethrough price on
12-16-2025

$25.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2500836 - 06A121121C - Thermostat Housing - Common point of failure for the cooling system. Does not include O-Ring. - URO - Audi Volkswagen

Common point of failure for the cooling system. Does not include O-Ring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2500836
Mfg#:
06A121121C
In Stock
$6.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Integrated Thermostat Housing Assembly

Includes thermostat and housing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
4500721
Mfg#:
902-5162
Back Ordered
$292.99

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

$283.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2528895 - 06H121121L - Thermostat Housing - Plastic flange for the thermostat that connects to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

Plastic flange for the thermostat that connects to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Inzi water pumps

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528895
Mfg#:
06H121121L
In Stock
Limited Qty Sale
$42.52

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3139069 - 078121121K - Thermostat Housing - Located on the front right of the engine block - Hudson - Audi Volkswagen

Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139069
Mfg#:
078121121K
Ships in 1-2 days
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2865688 - 030121121B - Thermostat Housing - Located on the water pump assembly - Febi - Audi Volkswagen

Located on the water pump assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865688
Mfg#:
030121121B
In Stock
$9.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#281548 - 06J121121 - Thermostat Housing - Plastic flange for the thermostat that connects to the water pump housing - Genuine Volkswagen Audi - Audi

Plastic flange for the thermostat that connects to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Behr water pumps

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281548
Mfg#:
06J121121
Ships in 2 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.

$47.99

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

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2804447 - 06B121121L - Thermostat Housing - Located on the left side of the engine block - Bremmen Parts - Audi Volkswagen

Located on the left side of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804447
Mfg#:
06B121121L
In Stock
ON SALE! SAVE 27%
$9.99

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

$7.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2631520 - 078121121K - Thermostat Housing - Located on the front right of the engine block - Vaico - Audi Volkswagen

Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2631520
Mfg#:
078121121K
Special Order: No Guaranteed ETA
$77.40

This product was last offered at the strikethrough price on
01-29-2026

$74.36 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3190081 - 902-956 - Thermostat Housing - Common point of failure or leaking for the cooling system - Dorman - Audi Volkswagen

Common point of failure or leaking for the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190081
Mfg#:
902-956
Ships in 4 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#272857 - 030121121B - Thermostat Housing - Located on the water pump assembly - Genuine Volkswagen Audi - Audi Volkswagen

Located on the water pump assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272857
Mfg#:
030121121B
Ships in 2 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.

$40.99

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

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

Thermostat Housing

ES#2228834 - 06A121121C - Thermostat Housing - Common point of failure for the cooling system. Does not include O-ring. - Vaico - Audi Volkswagen

Common point of failure for the cooling system. Does not include O-ring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2228834
Mfg#:
06A121121C
In Stock at Vendor
$6.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2871116 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Febi - Audi

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For use with late model expansion tank, requires minor modification of coolant system to work

Brand:
Febi - Corporate Logo
ES#:
2871116
Mfg#:
3B0121321
In Stock at Vendor
$10.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Other Audi Thermostat Housings

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