New HT 8264C Heater Core. 1990 - 1996 Pontiac Trans Sport with 3.1L, 3.4L and 3.8L engine (Front Heater Core). 1990 - 1996 Chevrolet Lumina APV with 3.1L, 3.4L and 3.8L engine (Front Heater Core). Use the vehicle search tool if you do not see a list of compatible vehicles.
