FOUR SEASONS Rear HVAC Heater Core Fits 1981-1996 GMC G3500

1981 GMC G3500 Copper/Brass Design Position: Rear;. 1981 GMC G3500 Position: Rear;. 1982 GMC G3500 Copper/Brass Design Position: Rear;. 1982 GMC G3500 Position: Rear;. Part Type: HVAC Heater Core. 1983 GMC G3500 Copper/Brass Design Position: Rear;.