GM Performance, Water Neck and Thermostat, 1-1/2" ID Hose, 186 Degree Thermostat, Replacement, Aluminum, Natural, GM LS-

GM Performance: 12600172, Heating and Cooling, Thermostats, Housings and Fillers, Water Necks - Thermostat Housings

2pc. Thermostat Housing - LS Series 04 & Later

Water Neck and Thermostat, 1-1/2" ID Hose, 186 Degree Thermostat, Replacement, Aluminum, Natural, GM LS-Series, Each

GM Performance is the performance parts division of General Motors. With a wide selection of performance upgrade parts specifically for GM vehicles, as well as crate engines, you can add proven performance to stock vehicles. Comes with Standard GM Warranty. New GM OEM Parts