The Caterpillar 2368757 Water Temperature Switch is a genuine OEM component designed to monitor engine coolant temperature. This normally open (SPST) switch activates a warning or shutdown when temperatures exceed safe limits, protecting the engine. It features a 1/2-14 NPTF thread, a 2-pin Deutsch connector, and is constructed from durable brass. Operating at 12-24 VAC, it is an essential part for various Cat machinery, including excavators, loaders, and industrial engines.