High Quality OEM Replacement Part; Using high-quality materials, improving performance, improving durability and tolerance better to help you repair leaking thermostat housings and correct engine overheating due to thermostat failure Package Include: 1x Thermostats Housing with 2x Sensors Thermostats Housing Replace Part Numbers: ?902-204, 902204, YU3Z 8A586, YU3Z 8A586 AA, YU3Z-8A586-AA, YU3Z8A586AA Fitment: Replacement For Ford Explorer 1997-2001; Replacement For Ford Ranger 2001; Replacement For Mercury Mountaineer 1997-2001 Easy Installation: Direct replacement original oe part,easy installation and High sealing Thermostat controls the temperature levels depending on the vehicle's driving conditions/ load,Fix the check engine light issue and no engine hiccups problem and engine overheating or over-cooling problem Thermostat automatically adjusts the amount of water entering radiator according to the temperature of cooling water, changing the circulation range of water to adjust the cooling capacity of cooling system to ensure engine works in a suitable temperature range so that effectively control the emissions engine produces If main valve of thermostat is opened too late, it will cause engine to overheat; if main valve is opened too early, engine warm-up time will be prolonged and engine temperature will be too low. Making it a critical component in the vehicle, coolant thermostat housing assembly with stuck or closed shut should be removed for replacement or repair Please verify Fit for before purchasing this product. To see if this item is compatible with your car, See the product description section below Product Description Thermostat Housing with 2 Sensors Kit Assembly YU3Z8A586AA Fitment Replacement For Ford Explorer Replacement For Ford Explorer1997-2000: All Sub Models: V6 4.0L SOHC Engine Replacement For Ford Explorer: V6 4.0L SOHC Engine (up to 7/24/00 production date) 2001 Replacement For Ford Explorer Sport Trac: V6 4.0L SOHC Engine (up to 7/24/00 production date) 2001 Replacement For Ford Explorer Sport: : V6 4.0L SOHC Engine (up to 7/24/00 production date) 2001 Replacement For Ford Ranger 2001: All Sub Models: V6 4.0L SOHC Engine Replacement For Mercury Mountaineer 1997-2000: All Sub Models: V6 4.0L SOHC Engine 2001: All Sub Models: V6 4.0L SOHC Engine (up to 7/24/00 production date) Thermostat Housing Kit Package Include 1x Thermostats Housing 2x Sensors Replace Part Number 902-204 902204 YU3Z 8A586 YU3Z8A586AA YU3Z 8A586 AA YU3Z-8A586-AA