View 0 Photos View 0 Videos 1972 GMC T170 Rear Differential for a GMC 5000 Recently Updated $1,270 USD (USED) GM T170 Ratio: 6.50 Side Gear Splines: 29 W/ Locker: NO Cast#: 3873551 ConditionUsedFits To Make(s)GMCFits To Model(s)5000Stock Number25858608 MLS Number14018148CategoryDifferentials, Rear Last Updated1/19/2026 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info