Now you can just replace the o-ring instead of the whole switch
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Now you can just replace the o-ring instead of the whole switch
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Connects the expansion tank to the radiator
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Monitors coolant temperature
Located on the water pump housing
From engine to secondary water pump
2 Needed per engine
This product was last offered at the strikethrough price on
05-02-2026
Located at front center of the engine
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-25-2026
Allows you to check for leaks in the coolant system
Requires the use of a Motive Power Bleeder, sold separately
Seals oil cooler thermostat to the alternator plate
This product was last offered at the strikethrough price on
07-14-2026
Secures the radiator, recommended to be replaced when movement occurs
Also known as the coolant temperature sending unit, comes with related o-ring
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Monitors coolant temperature
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Located on water pump housing
Runs from the right heater core to the water valve
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This part is inserted into the fan shroud, supporting the mounting location of the shroud and the mounting bolt.
Monitors the coolant level in the expansion tank
We Price Match - Give Us A Call or Chat!
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-25-2026
This Genuine BMW O-Ring and Seal Kit includes the critical factory elastomer seals needed to re-secure your coolant pipe and thermostat housing