0 0 1983 Eaton 15200 Rear Differential for a GMC 6000 $1,512 USD (USED) Eaton 15200 Ratio: 4.09 Side Gear Splines: 34 W/ Locker: YES Cast#: 74036 ConditionUsedFits To Make(s)GMCFits To Model(s)6000Stock Number25830299 MLS Number13719519CategoryDifferentials, Rear Last Updated8/16/2025 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info