View 5 Photos View 0 Videos Eaton 23A Rear Axle Assembly for a GMC Newly Listed Contact for price (Used) GMC, COMPLETE REAR DIFFERENTIAL- Serial Number: 11-1205210, Part Number: 303138, Make: Eaton, Model: 23A, Ratio: TBD, Capacity: 23,000, Hub Bolts: 10, Brake Type: Drum, Reference... ConditionUsedFits To Make(s)GMCPart Number303138Stock NumberP-504160 MLS Number14427128CategoryAxle Assemblies, Rear Last Updated6/13/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info