GM Aluminum Thermostat Housing, Water Neck, for LS Engines, Part #12571261

GM Performance Parts
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GM engine coolant thermostat housings are GM-recommended replacements for your vehicle's worn or damaged original equipment. The inline housing holds the thermostat and serves as a connection point for the radiator hose and inlet or outlet, and may also include ports for sensors or switches. These high-quality replacements are manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life that you expect from General Motors.

Includes OE replacement 187 degree thermostat.