View 5 Photos View 0 Videos Eaton 21060S Rear Differential for a 1998 GMC T7500 Contact for price (Used) 1998 GMC T7500, DIFFERENTIAL GEARS ONLY- Part Number: 214958, Serial Number: H981635099, Make: Eaton, Model: 21060S, Ratio: 5.57, Capacity: 21,000 Lbs, Hub Bolts: 10, Brake Type: Drum... ConditionUsedRear End5.57 ratioFits To Make(s)GMCFits To Model(s)T7500Will Fit Year(s)1998Part Number214958Stock NumberP-506704 MLS Number14442976CategoryDifferentials, Rear Last Updated6/26/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info