Ensure your engine operates at optimal temperature with the OEM 1803082C2 E8TZ9E939A E3TZ9E939A Thermo Switch, designed for NAVISTAR and FORD applications. This genuine part is a direct replacement, crafted to meet the exact specifications of your vehicle's OE/OEM requirements, guaranteeing reliable performance and durability. This thermostatic switch comes without mounting hardware, allowing for straightforward installation. It's backed by a 1-year manufacturer warranty, providing peace of mind with your purchase. Note that this is an OE Spec part, not a performance/custom item, and it is not a vintage or modified part.