"The HUMMER THERMOSTAT is an important part of your engine heating and cooling system. Without a functioning THERMOSTAT, your vehicle engine could seize and lead to very expensive cooling component repairs. Overheating problems can occur from debris clogging your THERMOSTAT and or from natural wear and tear. Don't wait until you see smoke coming from your HUMMER vehicle's hood, replace your THERMOSTAT with an OEM quality Radiator Express replacement. Whether you have a stock vehicle, race car or engine swap, our versions of copper, aluminum and plastic THERMOSTAT will keep your vehicle on the road at an affordable price. Our secure site will make it easy and safe to order your HUMMER THERMOSTAT. Our team is full of car people that know all about keeping yoru vehicle running. It's our job to ensure your essential HUMMER components are functioning, correct and delivered in a timely manner. Select your model below to find your THERMOSTAT and buy online. You can evcen call or text us 866 723 3977"