Feature 1OEM Number: Engine coolant thermostat replace part number is 90916 03046. Please make sure the OEM number matches the part you are replacing. 2Vehicle Fitment: Car thermostat is replacement for Chevy LS LS1 LS2 LS7 Engine, which is made according to the prototype of the car. 3Efficient Temperature Control: The 71 degrees water neck housing is specifically designed to control the engine temperature, ensuring optimal engine performance. 4Enhanced Engine Performance: With precise temperature regulation, the device helps to optimize engine performance, ensuring efficient combustion. 5Sealed Installation: The 71 degree thermostat housing is equipped with a rubber seal for a secure and sealed installation. It is easy to operate and perfectly matches the original vehicle.Item Type: Water Neck HousingOEM: 90916 03046Applicable Models:Replacement for Chevy LS LS1 LS2 LS7 Engine .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Water Neck Housing1 x Thermostat2 x Seal Gasket2 x ScrewNotePlease double check the part number of your item, matching information is for reference only.