You are purchasing an NOS Leece Neville R0013767RA voltage regulator as pictured for 1964 1965 1966 1967 Ford and Mercury vehicles including 1965 Ford Galaxie 500 XL and Fairlane 500. It is stamped on the side C5Af10316B. May fit other years and models.  Always double check your parts book or parts dealer to be sure the item fits your vehicle before purchasing. Please check out our other auctions and Ebay store. G28E1