This is the complete engine chassis wiring harness for 2009 Chevrolet Kodiak and GMC Topkick T6500 and T7500 trucks. This is for the 7.8L diesel engines (LF8). This harness is new, never installed, but without the GM box. Replace your old, damaged engine harness with this brand new OEM part from GM at a fraction of the dealer price.

New. Never Installed. OEM Part. Bulk Overstock

GM Part # 25937761 (number on the item)

Item is number 13 in the GM diagram.