View 1 Photo View 0 Videos Meritor-Rockwell RR20-145 4.88 Used Gear Set, Part # A41544-1 $75 USD RR20-145 4.88 USED GEAR SET, Serial#: A41544-1, Core Charge: N/A, Casting#: A41544-1 ConditionUsedPart NumberA41544-1Stock NumberA41544-1 USED MLS Number10628320CategoryDifferential Misc. Parts Last Updated5/14/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info