View 3 Photos View 0 Videos Dana-Spicer DSP40 Rear Axle Housing for a 2017 Peterbilt 579 Contact for price (Used) 2017 Peterbilt 579, FRONT DIFFERENTIAL HOUSING ONLY- Part Number: C1-1A43FA3000000001, Serial Number: HN05045033, Make: Spicer, Model: DSP40, Ratio: 3.36, Capacity: 20,000 Lbs, For... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2017Part NumberC1-1A43FA3000000001Stock NumberP-55377 MLS Number12223673CategoryAxle Housings, Rear Last Updated5/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info