This is the thermactor check valve assembly. It is NOS original Ford and in the original box. You need this part to keep your vehicle running smoothly. This part will fit many years and models. Here are two of the more popular applications. 1987-89 Mustang models with a 302 V8. Also fits 1984-89 F150/350 Ford Trucks with a 302/351 V8. Please check your parts books for all the many other applications.
