LUCAS CAV SNB205. Type Sensor, coolant temperature. FORD 6146863, 85BB10884AA. FORD SIERRA II Hatchback (GBC, GBG) 2.3 D Hatchback Diesel 01/1987 09/1989 RWD 8 67 49. FORD SIERRA II Sapphire (GBG, GB4) 2.3 D Saloon Diesel 01/1987 09/1989 RWD 8 67 49.