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BMW E39 Thermostat Kits

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Performance Water Pump & Thermostat Kit

ES#4818358 - 11517527799KT - Performance Water Pump & Thermostat Kit - Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum housing! - Assembled By ECS - BMW

Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum housing! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with a production date up to 09/98

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818358
Mfg#:
11517527799KT
In Stock
$357.99

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

$338.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2695570 - 11537835558KT5 - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2695570
Mfg#:
11537835558KT5
Ships in 3 Business Days
$238.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat W/ Housing & Sensor

ES#5435334 - MMTS-E46-99E - Thermostat W/ Housing & Sensor - Designed to restore original cooling performance, making it an essential component for routine maintenance or emergency repair. - Mishimoto - BMW

Designed to restore original cooling performance, making it an essential component for routine maintenance or emergency repair.

Brand:
Mishimoto - Corporate Logo
ES#:
5435334
Mfg#:
MMTS-E46-99E
Ships in 2 Business Days
$91.99 USD
Free Shipping
on orders $49 and up

Thermostat Replacement Kit

ES#2695571 - 11537835558KT6 - Thermostat Replacement Kit - Includes Behr thermostat, gaskets and hardware, and coolant - Assembled By ECS - BMW

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
2695571
Mfg#:
11537835558KT6
Ships in 3 Business Days
$167.99

This product was last offered at the strikethrough price on
03-24-2026

$147.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2592778 - 11531436386KT - Thermostat Replacement Kit - Includes hardware, thermostat, and coolant - Genuine BMW - BMW

Includes hardware, thermostat, and coolant For vehicles with production date from 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2592778
Mfg#:
11531436386KT
In Stock
$235.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Ships on Jan 13, 2027
$219.99

This product was last offered at the strikethrough price on
06-03-2026

$217.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat replacement kit - 88C

ES#3138751 - 11512248542KT - Thermostat replacement kit - 88C - Includes hardware, water wetter, and 88c thermostat - Assembled By ECS - BMW

Includes hardware, water wetter, and 88c thermostat 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
3138751
Mfg#:
11512248542KT
Ships on Nov 12, 2026
ON SALE!
$200.99

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

$200.51 USD
Free Shipping
This product is lifetime replacement eligible Partial 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 Replacement Kit

ES#2592766 - 11531437526KT - Thermostat Replacement Kit - Includes hardware, thermostat, and coolant - Genuine BMW - BMW

Includes hardware, thermostat, and coolant For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2592766
Mfg#:
11531437526KT
In Stock
$235.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2592789 - 11531437526KT1 - 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 up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592789
Mfg#:
11531437526KT1
In Stock at Vendor
ON SALE!
$189.99

This product was last offered at the strikethrough price on
05-29-2026

$183.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump & Thermostat Replacement Kit

ES#4818771 - 11510393340KT2 - Water Pump & Thermostat Replacement Kit - Featuring an OEM Geba water pump and MAHLE thermostat - Assembled By ECS - BMW

Featuring an OEM Geba water pump and MAHLE thermostat 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with a production date up to 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818771
Mfg#:
11510393340KT2
Ships in 3 Business Days
$266.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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