Type Sensor, coolant temperature. TRIUMPH SPITFIRE 1500 (FM) 1500 Convertible Petrol 01/1975 01/1980 RWD 8 69 51. TRIUMPH SPITFIRE MK IV (FD) 1.3 Convertible Petrol 01/1971 12/1972 RWD 8 76 55. TRIUMPH SPITFIRE MK IV (FD) 1.3 Convertible Petrol 12/1972 11/1974 RWD 8 69 51.