2 0 Mack T318LRP Transmission for a 2012 Mack GU713 Contact for price (Used) 2011 Mack (MT), TRANSMISSION ASSEMBLY- Reman, Model: T318LRP, Part number: 281KB584, Serial Number: TBD, Engine: Mack MP7, For more information about this item, give us a call. We... ConditionUsedFits To Make(s)MackFits To Model(s)GU713Will Fit Year(s)2012Part Number281KB584Stock NumberP-105399 MLS Number13659689CategoryTransmissions Last Updated6/21/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info