Four Seasons 98617 HVAC Heater Core. HVAC Heater Core. Style: Aluminum Heater Core. Type: Heater Core /Aluminum. Four Seasons:98617. Fits what vehicles: 1978-1995 Chevrolet G10, 1978-1995 Chevrolet G20, 1978-1996 Chevrolet G30, 1978 GMC G15, 1978 GMC G25, 1978 GMC G35, 1979-1995 GMC G1500, 1979-1995 GMC G2500, 1979-1996 GMC G3500, 1993-1999 Chevrolet P30, 1993-1999 GMC P3500, 1993-1996 GMC P6500.
