Engine Coolant Recovery Tank. It is engineered and manufactured to match the fit and function of the original part. Engine Coolant Reservoir. This part generally fits Ford vehicles and includes models such as Mustang with the trims of Base Convertible 2-Door,Base Coupe 2- Door,GT Convertible 2-Door,GT Coupe 2-Door,GTS Coupe 2-Door,SVT Cobra Convertible 2-Door,SVT Cobra Coupe 2-Door.