4 0 Rockwell RT40145 Rear Differential Contact for price Rockwell RT40-145 MT40-14X 40 Differential; 3.73 Ratio; AVA05040940; Meritor. Call or message with any questions or visit our website. ConditionUsedRear End3.73 ratioStock Number1418 MLS Number10178416CategoryDifferentials, Rear Last Updated12/13/2022 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info