9 0 1991 Meritor RS21230 Rear Differential for a Ford F800 Recently Updated $1,534 USD (USED) Meritor RS21230 Ratio: 6.50 Side Gear Splines: 39 W/ Locker: NO Cast#: 1523 ConditionUsedFits To Make(s)FordFits To Model(s)F800Stock Number25793166 MLS Number13567887CategoryDifferentials, Rear Last Updated10/12/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info