This HVAC blower motor resistor kit includes a resistor and harness pigtail to replace an overheated or corroded original equipment resistor on certain vehicles. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet W4500 Tiltmaster: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007] - [Chevrolet W5500 Tiltmaster: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007] - [Chevrolet W5500HD Tiltmaster: 2004, 2005, 2006, 2007] - [Isuzu NPR: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007] - [Isuzu NPR-HD: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007] - [Isuzu NQR: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007]