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BMW E70 X5 N52 3.0L

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BMW E70 X5 N52 3.0L Engine Thermostat Parts

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Performance Water Pump & Thermostat Kit

ES#5425480 - 044952la05KT - Performance Water Pump & Thermostat Kit - Includes ECS N54 400W water pump conversion, 74*C thermostat, installation hardware and coolant! - Assembled By ECS - BMW

Includes ECS N54 400W water pump conversion, 74*C thermostat, installation hardware and coolant! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425480
Mfg#:
044952LA05KT
In Stock at Vendor
ON SALE! SAVE 18%
$599.99

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

$489.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#25123 - 11537550172 - Thermostat - Replaces failed thermostat or as preventative maintenance for your cooling system - Genuine BMW - BMW

Replaces failed thermostat or as preventative maintenance for your cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
25123
Mfg#:
11537550172
Ships in 1-2 days
9% off MSRP

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

$321.99

This product was last offered at the strikethrough price on
08-07-2026

$293.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3493468 - 11537550172 - Thermostat - Replaces failed thermostat or as preventative maintenance for your cooling system - Rein - BMW

Replaces failed thermostat or as preventative maintenance for your cooling system 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3493468
Mfg#:
11537550172
Ships in 1 Business Day
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing

ES#4070230 - 11537550172 - Thermostat With Housing - Replaces failed thermostat or as preventative maintenance for your cooling system - Mahle - BMW

Replaces failed thermostat or as preventative maintenance for your cooling system

Brand:
Mahle - Corporate Logo
ES#:
4070230
Mfg#:
11537550172
Ships in 1 Business Day
$135.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2813515 - 11537550172 - Thermostat - Replaces failed thermostat or as preventative maintenance for your cooling system - Hamburg Tech - BMW

Replaces failed thermostat or as preventative maintenance for your cooling system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813515
Mfg#:
11537550172
Ships in 1 Business Day
$90.00 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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