View 3 Photos View 0 Videos Dana-Spicer D46-170DHP Rear Differential for a 2018 Peterbilt 389 Recently Updated Contact for price (Used) 2018 Peterbilt 389, REAR DIFFERENTIAL GEARS ONLY- Make: Spicer, Model: D46-170DHP, Ratio: 4.10, Capacity: 23,000 Lbs, For more information about this item, give us a call. We ship... ConditionUsedRear End4.10 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2018Stock NumberP-92432 MLS Number13241627CategoryDifferentials, Rear Last Updated3/12/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info