View 1 Photo View 0 Videos Meritor-Rockwell 40-145F Front Differential for a 1999 Freightliner FL80 Recently Updated $1,095 USD 40-145 4.11 GOOD INSPECTED TAKEOUT. 90 DAY WARRANTY, Axle Spline Count: 41, Serial#: NA, Ratio: 4.11, Clutch Housing Size: 1 ConditionUsedRear End4.11 ratioFits To Make(s)FreightlinerFits To Model(s)FL80Will Fit Year(s)1999Part Number40-145Stock Number52519-16 MLS Number11234847CategoryDifferentials, Front Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info