Home/Shop by Part/Heating & Cooling/HVAC/Heater Core Narrow The Number Of Models Shown By Telling Us The Year Filter Models by Year 2003 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 Choose your Infiniti Model I 2003 I35 Heater Core Q 2003 QX4 Heater Core