View 7 Photos View 1 Video Engine for a 1985 GMC C6000 Recently Updated Contact for price (Used) 1984 GM 6.0L, ENGINE ASSEMBLY- Family Number: FGMO7.4 AGAS, Displacement: 6.0L, Horsepower: 190, Part Number: 15544920, ECS: EGR, OC, HO2S, Reference images for condition. For more... ConditionUsedHorse Power190 HPFits To Make(s)GMCFits To Model(s)C6000Will Fit Year(s)1985Part Number15544920Stock NumberP-509777 MLS Number14506889CategoryEngines Last Updated8/4/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info