View 0 Photos View 0 Videos 2006 Used Isuzu 6HK1 7.8L L6/Duramax LG4 7.8L Pending Inspection! Contact for price Used ISUZU 6HK1 7.8L L6/Duramax LG4 7.8L Pending Inspection!, Core Charge: 0.00 ConditionUsedFits To Make(s)GMCFits To Model(s)C7500Will Fit Year(s)2006Stock Number543631 MLS Number13819899CategoryEngines Last Updated12/22/2025 LocationPhoenix, AZ, US Sold ByAmerican Truck Sales & Salvage (844) 882-___ SHOWNUMBERCall Seller Email Seller Save More Info