2003-2009 GMC C8500 Topkick C8C064. 2003-2009 GMC C8500 Topkick C8C042. 2003-2006, 2008-2009 GMC C8500 Topkick C8E042. Notes: HVAC Heater Core. Core Material: Aluminum. Inlet Size: 0.75 in. Condition: New.
Replacement AP Heater Core fits GMC R3500 1987-1990 25CVDY
Replacement AP Heater Core fits Chevy R3500 1989-1991 97MBHQ
Replacement AP Heater Core fits Chevy V3500 1989-1991 91TFPR
Replacement AP Heater Core fits GMC P2500 1981-1989 82TJWY
Replacement AP Heater Core fits Acura CSX 2006-2011 61RSCX
Replacement AP Heater Core fits Chevy V10 1987 53BZXZ
