Need to replace the thermostat housing or water outlet on your GM LS engine? This A-Premium straight water outlet is a direct-fit replacement for GM small block LS V8 engines including the 4.7L, 5.3L, 5.7L, and 6.0L. It's made from black aluminum for durability and corrosion resistance. The housing neck is straight (not angled), which is important for specific cooling system setups. Part number reference is HC8938BK. It comes with the two necessary bolts for installation. This is a crucial part of your engine's cooling system – if it's cracked, leaking, or corroded, replacing it can prevent overheating issues. A-Premium backs it with a one-year unlimited-mileage guarantee for peace of mind. A quality, affordable alternative to OEM for DIYers or mechanics working on GM trucks, SUVs, or performance cars with LS engines. Always ensure your engine is cool before starting work and use a new gasket. Keep your LS running cool with a reliable replacement housing.
Free 30-day returns 
Free 30-day returns
