View 0 Photos View 0 Videos Spicer RDP40 Rear Differential Recently Updated $1,500 USD Used RDP40 With Locker, Ratio 3.55, Turns, Complete locker: YES, Core Charge: 0.00, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)SpicerFits To Model(s)RDP40Stock Number175859 MLS Number13784430CategoryDifferentials, Rear Last Updated3/12/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info