View 7 Photos View 0 Videos Dana-Spicer RDP41 Rear Differential for a 2014 Kenworth T680 Recently Updated Contact for price (Used) 2014 Kenworth T680, REAR DIFFERENTIAL GEARS ONLY (REAR REARS)- Part Number: 515335, Serial Number: HN04335955, Make: Spicer, Model: RDP41, Ratio: 3.42, Capacity: 20,000 Lbs, ... ConditionUsedRear End3.42 ratioFits To Make(s)KenworthFits To Model(s)T680Will Fit Year(s)2014Part Number515335Stock NumberP-49814 MLS Number12103860CategoryDifferentials, Rear Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info