View 8 Photos View 0 Videos Mack AC 427 Engine for a 2004 Mack CH613 $8,500 USD (Core) 2003 MACK AC 427, ENGINE ASSEMBLY, Model: AC 427, Horsepower: 427, Serial Number: 3M1831, Engine Family: 3MKXH11.9H64, Displacement: 11.9L, Reference images for condition For more... ConditionUsedHorse Power427 HPFits To Make(s)MackFits To Model(s)CH613Will Fit Year(s)2004Stock NumberP-14454 MLS Number10163104CategoryEngines Last Updated10/21/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info