Type Sensor, coolant temperature. TRIUMPH HERALD (1GET) 1200 Saloon Petrol 01/1968 12/1969 RWD 8 48 35. TRIUMPH HERALD (1GET) 13/60 Saloon Petrol 01/1967 12/1971 RWD 8 62 46. TRIUMPH HERALD Convertible (1RET) 1200 Convertible Petrol 01/1961 10/1967 RWD 8 39 29.