Ensure your engine operates at the optimal temperature with the Motorcraft RT-351 Thermostat, a premium replacement part designed for reliability and performance. With a manufacturer part number of RT-351 and OE/OEM part number D5PZ-8575-B, it's a precise fit for your vehicle's thermostat needs, boasting the quality craftsmanship synonymous with the Motorcraft brand. Proudly made in the United States, this thermostat is built to stringent standards, ensuring durability and consistent function. It's an essential component for maintaining your engine's health, and with its straightforward installation, you can get back on the road with confidence, knowing your engine's temperature is being regulated precisely.