View 1 Photo View 0 Videos Eaton-Fuller RT9509A Transmission for a 1981 GMC ASTRO Newly Listed $1,095 USD RT9509A INSPECTED AND DYNO TESTED 90 DAY WARRANTY, Serial#: GET, Engine Make: Cummins, Engine Model: BC300 ConditionUsedEngine ModelCummins BC300Fits To Make(s)GMCFits To Model(s)ASTROWill Fit Year(s)1981Stock Number90526-8 MLS Number14603713CategoryTransmissions Last Updated9/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info