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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Engine Thermostat Parts

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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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592647
Mfg#:
11537509227KT2
Ships on Mar 1, 2027
$103.99 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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3230754
Mfg#:
11537509227
Ships in 3 Business Days
ON SALE!
$89.99

This product was last offered at the strikethrough price on
08-31-2026

$85.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#3676458 - 703307100 - Thermostat Housing Gasket - Needs to be replaced once removed - Victor Reinz - BMW

Needs to be replaced once removed

Brand:
Victor Reinz - Corporate Logo
ES#:
3676458
Mfg#:
703307100
In Stock
ON SALE! SAVE 10%
$10.64

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

$9.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#4316576 - 11537509357 - Thermostat Housing Gasket - Needs to be replaced once removed - URO - BMW

Needs to be replaced once removed 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4316576
Mfg#:
11537509357
In Stock
ON SALE! SAVE 32%
$2.99

This product was last offered at the strikethrough price on
08-26-2026

$2.04 USD
Free Shipping
on orders $49 and up

Thermostat With Housing

ES#4726368 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Vemo - BMW

A common item to crack causing leaks

Brand:
Vemo - Corporate Logo
ES#:
4726368
Mfg#:
11537509227
Ships in 1 Business Day
$175.00

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

$170.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW - Engine/Cooling

ES#4900639 - 11531437040 - BMW - Engine/Cooling - A common item to crack causing leaks - Meyle - BMW

A common item to crack causing leaks 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! For vehicles with production date from 09/1998

Brand:
Meyle - Corporate Logo
ES#:
4900639
Mfg#:
11531437040
Ships on Sep 22, 2026
$75.99 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.

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

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