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 E34 Engine Thermostat Parts

Sort By
Filter By
Return to Top

Thermostat Housing Kit - All Aluminum

ES#3438874 - 14-009 - Thermostat Housing Kit - All Aluminum - Never worry about cracking again - Active Autowerke - BMW

Never worry about cracking again affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
3438874
Mfg#:
14-009
In Stock
3% off MSRP

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

$59.00

This product was last offered at the strikethrough price on
06-04-2026

$56.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

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

Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
In Stock
$3.99

This product was last offered at the strikethrough price on
03-15-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 88�C

ES#3504791 - 11537511580 - Thermostat - 88C - Common point of failure in the cooling system. - Rein - BMW

Common point of failure in the cooling system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3504791
Mfg#:
11537511580
Ships in 4 Business Days
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#2867274 - 11531713040S1 - Thermostat - 80C - Includes sealing O-ring - Febi - BMW

Includes sealing O-ring 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#:
2867274
Mfg#:
11531713040S1
Back Ordered
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#3690163 - 11531740437 - Thermostat Housing Gasket - Used for the upgraded aluminum housing - Victor Reinz - BMW

Used for the upgraded aluminum housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
3690163
Mfg#:
11531740437
Ships in 2 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing/Cover

ES#2534389 - 11531720173 - Thermostat Housing/Cover - Cast in more durable aluminum! - URO Premium - BMW

Cast in more durable aluminum! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO Premium - Corporate Logo
ES#:
2534389
Mfg#:
11531720173
Ships in 2 Business Days
$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 88°C

ES#2873802 - 11537511580 - Thermostat - 88C - Includes sealing O-ring gasket - Febi - BMW

Includes sealing O-ring gasket 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#:
2873802
Mfg#:
11537511580
Ships on Sep 2, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#264070 - 11531722690 - Thermostat Housing Gasket - Used to seal the housing to the cylinder head - Victor Reinz - BMW

Used to seal the housing to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
264070
Mfg#:
11531722690
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring (60 X 3.5 mm)

ES#205296 - 11531265084 - Thermostat O-Ring (60 X 3.5 mm) - Seals thermostat to cylinder head - Rein - BMW

Seals thermostat to cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
205296
Mfg#:
11531265084
In Stock
$2.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Seal Ring

ES#2609306 - 11531312287 - Thermostat Seal Ring - Prevent a leaking thermostat housing - Wahler - BMW

Prevent a leaking thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
2609306
Mfg#:
11531312287
Back Ordered
$32.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#24905 - 11531720173 - Thermostat Housing - Plastic version - Genuine BMW - BMW

Plastic version affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24905
Mfg#:
11531720173
Ships in 3 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.

$29.99

This product was last offered at the strikethrough price on
06-04-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#2724038 - 11531712043 - Thermostat - 92C - Includes sealing ring - Calorstat - BMW

Includes sealing ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Calorstat - Corporate Logo
ES#:
2724038
Mfg#:
11531712043
Ships in 1-2 days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#2574827 - 11531740437 - Thermostat Housing Gasket - Used for the upgraded aluminum housing - Payen - BMW

Used for the upgraded aluminum housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Payen - Corporate Logo
ES#:
2574827
Mfg#:
11531740437
Ships in 4 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket Ring - Priced Each

ES#24745 - 11531312635 - Gasket Ring - Priced Each - Seals the thermostat to the radiator line - Genuine BMW - BMW

Seals the thermostat to the radiator line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24745
Mfg#:
11531312635
Ships in 3 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#4069242 - 11531466174 - Thermostat - 80C - Gasket not included - Vernet - BMW

Gasket not included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vernet - Corporate Logo
ES#:
4069242
Mfg#:
11531466174
Back Ordered
$14.99

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

$13.99 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