Type Sensor, coolant temperature. VW TRANSPORTER / CARAVELLE Mk IV Bus (70B, 70C, 7DB, 7DK, 70J, 2.4 D Bus Diesel 09/1990 04/1998 FWD 10 78 57. VW TRANSPORTER / CARAVELLE Mk IV Bus (70B, 70C, 7DB, 7DK, 70J, 2.4 D Bus Diesel 08/1997 04/2003 FWD 10 75 55. ).