View 0 Photos View 0 Videos 2008 Mack Granite GU813 Cab Wiring Harness for a Mack GU800 $275 USD (USED) Mack GU800 Engine Model: MACK MP8 From: MAIN HANRESS Transmission Type: - To: DOORS Ref# - HARNESS THAT GOES TO THE DOORS THAT PLUGS INTO THE MAIN HARNESSDOES NOT INCLUDE MAIN... ConditionUsedFits To Make(s)MackFits To Model(s)GU800Part Number-Stock Number25995679 MLS Number14367597CategoryCab Wiring Harnesses Last Updated5/14/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info