Car Engine Thermostat 12674639 Water Pump Outlet Assembly Replacement for Silverado Suburban Tahoe1. Fitment: Engine thermostat is replacement for Escalade 20152020, replacement for Silverado Suburban Tahoe, replacement for Sierra Yukon.2. Replace OE Part Number: The OE part number of water pump outlet assembly is 12674639, according to original standard.3. Premium Material: Engine thermostat assembly is made of ABS and metal material, rustproof, wear resistant, high strength, sturdy and durable.4. Function: Thermostat can keep the engine at the suitable temperature to help the engine operate more efficiently, stable and reliable.5. Easy Installation: Easy to install without any modification, direct replacement for the old or broken one, convenient for using, save your time.Specification:Item Type: Engine ThermostatMaterial: ABS and metalOE:12674639Fitment:Replacement for Escalade 2015-2020 Replacement for Silverado 2014-2019 Replacement for Suburban 2015-2020 Replacement for Tahoe 2015-2020 Replacement for Sierra 2014-2019 Replacement for Yukon 2015-2020Package List:1 xEngine ThermostatNote:Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks