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BMW Engine Thermostat Parts

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

Thermostat Replacement Kit

ES#2592789 - 11531437526KT1 - Thermostat Replacement Kit - Includes hardware, thermostat, and coolant - Assembled By ECS - BMW

Includes hardware, thermostat, and coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
Ships in 3 Business Days
ON SALE!
$189.99

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

$183.86 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2592766
Mfg#:
11531437526KT
Ships in 3 Business Days
$233.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump & Thermostat Kit

Includes everything needed to replace your water pump and thermostat. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5395250
Mfg#:
11515A81BE9KT1
Ships in 4 Business Days
ON SALE!
$508.99

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

$503.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Water Pump & Thermostat Kit

ES#5395236 - 11515A81BE9KT - Water Pump & Thermostat Kit - Includes everything needed to replace your water pump and thermostat. - Genuine BMW - BMW

Includes everything needed to replace your water pump and thermostat. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
5395236
Mfg#:
11515A81BE9KT
Ships in 4 Business Days
$922.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Filter Housing & Heat Management Module Kit - Level 1

ES#5425168 - g2xb48dofhl1KT - Oil Filter Housing & Heat Management Module Kit - Level 1 - Includes the main components needed to replace the two biggest B48 cooling issues - featuring an upgraded Aluminum Oil Filter Housing and new Coolant Thermostat Module - Assembled By ECS - BMW

Includes the main components needed to replace the two biggest B48 cooling issues - featuring an upgraded Aluminum Oil Filter Housing and new Coolant Thermostat Module affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For later models with the B48 Gen2 (B48D) engine only - Not compatible with earlier Gen1 engines

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425168
Mfg#:
G2XB48DOFHL1KT
Ships in 9 Business Days
Auto Notify
$1093.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Filter Housing & Heat Management Module Kit - Level 3

Our most comprehensive kit yet, including the majority of components that should be replaced when repalcing your oil filter housing and thermostat module - featuring an Aluminum Oil Filter Housing, Coolant Thermostat Module, and coolant pump assembly! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For Pre-LCI models with a production date from 07/2021+ with Control DSC (S8WEA)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425190
Mfg#:
G2XB48DOFHL3AKT
Ships in 9 Business Days
Auto Notify
$2377.99 USD
This product is lifetime replacement eligible Partial Replacement

Oil Filter Housing & Heat Management Module Kit - Level 3

Our most comprehensive kit yet, including the majority of components that should be replaced when repalcing your oil filter housing and thermostat module - featuring an Aluminum Oil Filter Housing, Coolant Thermostat Module, and coolant pump assembly! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For Pre-LCI models with a production date up to 07/2021 or a production date from 07/2021+ without Crontrol DSC (S8WEA)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425185
Mfg#:
G2XB48DOFHL3KT
Ships in 9 Business Days
Auto Notify
$2377.99 USD
This product is lifetime replacement eligible Partial Replacement

Thermostat - 80°C

ES#4070089 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Mahle - BMW

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

Brand:
Mahle - Corporate Logo
ES#:
4070089
Mfg#:
11531713040
Ships on Jun 23, 2026
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

Complete assembly including housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235198
Mfg#:
11537580627
Ships on Jun 25, 2026
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 105C

ES#4669232 - 11537502779 - Thermostat - 105C - Includes housing and sealing o-ring - Bremmen Parts - BMW

Includes housing and sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4669232
Mfg#:
11537502779
Ships on Jun 30, 2026
ON SALE!
$46.99

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

$45.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing

ES#4669221 - 11537580627 - Thermostat With Housing - Complete assembly including housing - Bremmen Parts - BMW

Complete assembly including housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4669221
Mfg#:
11537580627
Ships on Jun 30, 2026
ON SALE!
$61.99

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

$60.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Thermostat W/ Housing

ES#4669227 - 11428507694 - Engine Oil Cooler Thermostat W/ Housing - Located between the oil filter housing and the engine oil cooler - Bremmen Parts - BMW

Located between the oil filter housing and the engine oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4669227
Mfg#:
11428507694
Ships on Jun 30, 2026
ON SALE!
$71.99

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

$69.82 USD
Free Shipping
on orders $49 and up

Thermostat - 80°C

ES#2602746 - 11531466174 - Thermostat - 80C - Gasket not included - Wahler - BMW

Gasket not included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1985

Brand:
Wahler - Corporate Logo
ES#:
2602746
Mfg#:
11531466174
Ships on Jun 30, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Thermostat Plate Kit

Replaces factory thermostat with a mechanical thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500477
Mfg#:
M54THERM
Ships on Jul 1, 2026
$209.99 USD
Free Shipping
on orders $49 and up

Thermostat Gasket

ES#5339290 - 743.390 - Thermostat Gasket - Prevent leaks with a new gasket - Elring - BMW

Prevent leaks with a new gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5339290
Mfg#:
743.390
Special Order: No Guaranteed ETA
$7.99 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.

Other BMW Engine Thermostat Parts

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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