Is your car's thermostat housing leaking or failing? This direct replacement Engine Coolant Thermostat Housing is here to get your cooling system back in shape. The part numbers it replaces are 12650241 and 902-2089. It's designed to fit several popular GM vehicles with the 2.5L engine, including: Buick LaCrosse (2018-2019), Cadillac ATS (2013-2017), Chevrolet Colorado (2015-2019), Chevrolet Malibu (2013-2014), and GMC Canyon (2015-2019). Please double-check your specific year and model before ordering. This housing is made from high-quality alloys to withstand high temperatures and pressure, ensuring a long service life. It features a leak-proof design with advanced sealing to prevent coolant loss, which is vital for protecting your engine from overheating. The thermostat inside regulates coolant flow to help your engine warm up quickly and maintain an efficient operating temperature, which can even help with fuel economy. The design aims for user-friendly installation, potentially allowing capable DIYers to replace it themselves and save on shop labor costs. A reliable, essential part for keeping your car running cool.