1981 GMC P3500 w/ AC;. 1982 GMC P3500 w/ AC;. 1983 GMC P3500 w/ AC;. 1984 GMC P3500 w/ AC;. 1985 GMC P3500 w/ AC;. 1986 GMC P3500 w/ AC;. Part Type: HVAC Heater Core. 1987 GMC P3500 w/ AC;.
74853 Four Seasons HVAC Heater Control Valve Coolant Heater Valve
FOUR SEASONS HVAC Heater Core Fits 1975-1978 GMC P35
FOUR SEASONS HVAC Heater Core Fits 1988-2000 GMC K3500
FOUR SEASONS HVAC Heater Core Fits 1975-1978 GMC K15
FOUR SEASONS HVAC Heater Core Fits 1979-1989 GMC P2500
FOUR SEASONS HVAC Heater Core Fits 1981-1989 GMC P2500