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

BMW E39 Engine Thermostat Parts

Sort By
Filter By
Return to Top

Thermostat Housing Gasket

ES#24971 - 11531740437 - Thermostat Housing Gasket - Needs to be replaced once removed - Genuine BMW - BMW

Needs to be replaced once removed For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
24971
Mfg#:
11531740437
Ships in 2 Business Days
12% off MSRP

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

$13.55

This product was last offered at the strikethrough price on
07-21-2026

$11.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#24811 - 11531437526 - Thermostat Assembly - Comes with aluminum housing, o-ring & sensor - Genuine BMW - BMW

Comes with aluminum housing, o-ring & sensor For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
24811
Mfg#:
11531437526
In Stock
ON SALE!
$192.99

This product was last offered at the strikethrough price on
06-15-2026

$184.01 USD
Free Shipping
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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

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

Thermostat Housing Gasket

ES#25079 - 11537509357 - Thermostat Housing Gasket - Needs to be replaced once removed - Genuine BMW - BMW

Needs to be replaced once removed

Brand:
Genuine BMW - Corporate Logo
ES#:
25079
Mfg#:
11537509357
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.

$9.74

This product was last offered at the strikethrough price on
07-21-2026

$8.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4845533 - 11531437526 - Thermostat Assembly - Regulates Engine coolant temperature. Comes with aluminum housing, O-ring, and sensor. - Rein - BMW

Regulates Engine coolant temperature. Comes with aluminum housing, O-ring, and sensor. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
Rein - Corporate Logo
ES#:
4845533
Mfg#:
11531437526
Ships in 1 Business Day
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat - 70C

ES#4338353 - mmts-e46-99v2 - Racing Thermostat - 70C - Modified thermostat for high performance applications. Use with factory thermostat housing. - Mishimoto - BMW

Modified thermostat for high performance applications. Use with factory thermostat housing.

Brand:
Mishimoto - Corporate Logo
ES#:
4338353
Mfg#:
MMTS-E46-99V2
Ships in 2 Business Days
$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Gasket

ES#24369 - 11511705408 - Thermostat Gasket - Seals the junction between the thermostat and water pump - Genuine BMW - BMW
ECS Tuning recommends this product.

Seals the junction between the thermostat and water pump

Brand:
Genuine BMW - Corporate Logo
ES#:
24369
Mfg#:
11511705408
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#25083 - 11537511083 - Thermostat - 92C - Does not include sealing O-ring - Genuine BMW - BMW

Does not include sealing O-ring For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
25083
Mfg#:
11537511083
Ships in 2 Business Days
3% off MSRP

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

$107.99

This product was last offered at the strikethrough price on
07-21-2026

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592647 - 11537509227KT2 - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Assembled By ECS - BMW

Includes gaskets and hardware and coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592647
Mfg#:
11537509227KT2
Ships on Jan 13, 2027
$101.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2592786 - 11531436386KT1 - Thermostat Replacement Kit - Includes hardware, thermostat, and coolant - Assembled By ECS - BMW

Includes hardware, thermostat, and coolant 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592786
Mfg#:
11531436386KT1
In Stock
ON SALE! SAVE 24%
$119.99

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

$91.13 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat With Housing

ES#3230754 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Rein - BMW

A common item to crack causing leaks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3230754
Mfg#:
11537509227
Ships in 3 Business Days
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing - 105C

ES#4669219 - 11531436386 - Thermostat With Housing - 105C - Comes with aluminum housing, o-ring & sensor - Bremmen Parts - BMW

Comes with aluminum housing, o-ring & sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4669219
Mfg#:
11531436386
Ships in 8 Business Days
ON SALE!
$30.99

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

$29.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#24742 - 11531312287 - Thermostat Housing Gasket - Should be replaced any time housing is removed - Genuine BMW - BMW

Should be replaced any time housing is removed

Brand:
Genuine BMW - Corporate Logo
ES#:
24742
Mfg#:
11531312287
In Stock
ON SALE!
$42.99

This product was last offered at the strikethrough price on
06-25-2026

$40.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#3478303 - 11531740437 - Thermostat Housing Gasket - Used for the upgraded aluminum housing - Elring - BMW

Used for the upgraded aluminum housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
Elring - Corporate Logo
ES#:
3478303
Mfg#:
11531740437
In Stock
$1.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#4845554 - 11537511083 - Thermostat - 92C - This thermostat does not include gasket. The Thermostat - 92C from ECS Tuning is the ideal choice for BMW owners looking to maintain optimal engine temperature, protect critical components from overheating - Rein - BMW

This thermostat does not include gasket. The Thermostat - 92C from ECS Tuning is the ideal choice for BMW owners looking to maintain optimal engine temperature, protect critical components from overheating 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
Rein - Corporate Logo
ES#:
4845554
Mfg#:
11537511083
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Thermostat Housing

ES#10884 - 11531740478 - E39 Thermostat Housing - Upgraded aluminum design for added strength - URO Premium - BMW

Upgraded aluminum design for added strength 2X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date up to 09/1998

Brand:
URO Premium - Corporate Logo
ES#:
10884
Mfg#:
11531740478
In Stock
ON SALE! SAVE 43%
$21.99

This product was last offered at the strikethrough price on
06-10-2026

$12.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

Let us help you find the parts that fit your BMW

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