1964-1965 Ford Mustang, Fastback, Coupe, Convertible, GT, Shelby GT-350, Falcon, Sprint, Fairlane, Ranchero, Mercury Cougar, XR7, Comet, S-22, Caliente, Cyclone.     260 / 289 2V-4V-HIPO Thermostat Housing-Water Neck.   'ALUMINUM'.   This is an ORIGINAL FORD PART.   Casting Number (FoMoCo) C4OE-8594-A. Looks to be Dated (72).. The Housing is in Great Original Condition.  No Cracks. No real Pitting on the Metal. This Will Mount and Seal Well. Overall, this is a Great Original 260-289 Thermostat Housing.   Impossible To Find Original. Please email with questions.         111325-7           CHECK OUT OUR STORE WITH THOUSANDS OF ORIGINAL and NOS FORD PARTS.