3 0 Eaton 23070S Rear Differential for a 1988 Chevrolet C70 Contact for price (Used) 1988 GMC C70, DIFFERENTIAL GEARS ONLY- Make: Eaton, Model: 23070S, Ratio: 6.17, Capacity: 23,000 Lbs, For more information about this item, give us a call. We ship Worldwide! (CRG... ConditionUsedRear End6.17 ratioFits To Make(s)ChevroletFits To Model(s)C70Will Fit Year(s)1988Stock NumberP-110837 MLS Number13809971CategoryDifferentials, Rear Last Updated9/12/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info