Red Hound Auto Heater AC Blend Door RePair Kit fits 1999-2004 Compatible with Jeep Grand Cherokee Automatic Dual Zone Control (ATC)(AZC) Digital Temperature - Review listing for full details;

Automatic Temperature Heater Blend Door Repair Kit Compatible with 99-04 Jeep Grand Cherokee; Direct perfect fit repair for heater blend door (ATC only - will not fit manual temperature control models); Blend Door Repair Kit; Do-it-yourself application for fixing common heater problem, installed through glove box area (so you don't need to remove your dash!); IMPORTANT - TAKE NOTE: This will NOT retain dual climate control zone functionality, so if you install in a dual-climate control vehicle, all heating/cooling functions will be controlled by the driver's side adjustment knob;