The Sierra 18-5898 Temperature Sender features a 1/2"-14 NPT thread, 10-32 stud terminal type and 240° DS range. Each Sierra product meets or exceeds the original equipment part it replaces. Designed to be interchangeable with Crusader 700427, Mallory 9-42401, Medallion A-2618-4, Mercruiser Stern Drive 34625, 97258, 97258A1, FI6900152, FI6900198, OMC Inboard 171960, OMC Stern Drive 171960, Stewart Warner 362BB-D, Veethree Seastar 52320S017.