0 0 1994 Eaton 15040S Rear Differential for a GMC Topkick Recently Updated $895 USD (USED) Eaton 15040S Ratio: 5.29 Side Gear Splines: 34 W/ Locker: NO Cast#: 07203 ConditionUsedFits To Make(s)GMCFits To Model(s)TOPKICKStock Number25877333 MLS Number13878906CategoryDifferentials, Rear Last Updated11/22/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info