Browse Spicer RDP40 Rear Differentials on MyLittleSalesman.com and compare listings with prices from $1,300 to $2,850. Sellers include Camions Lussier-Lussicam, Vriens Truck Parts, and River City Truck Parts. Filter by condition, price, or year to quickly narrow down to the right Spicer RDP40 Rear Differential.