Professional Metal Electric Step Motor Replacement Kit Compatible with Super Duty 80.03129.90 Features： 1、Fitment: Fit for Super Duty Electric Steps. Only suitable for AMP Research white motors with 3 bolt mounting holes, suitable for all electric step motors except for the old black motor model. 2、OE Numbers: 80?03129?90, A10049 113, 800312990 are the reference part numbers. Please double check the part number of your item to ensure accurate match. 3、Ensure Normal Working: This power step running board motor kit solves the problem of power step failure due to wear or breakage, once again ensuring its proper working. 4、Step Replacement Motor Kit: Electric motor Kit (3 bolt mount) for left and right sides, package includes 1 x electric side stepper motor, 3 x metal washers, 3 x metal screws 5、Premium Material: Made from high strength metal material, this electric side step motor kit is impact resistant, high temperature resistant, not easy to break. Specification： Item Type: Electric Side Step Motor Material: Metal OE Numbers: 80-03129-90, A10049 113, 800312990 Fitment: Fit for Super Duty Electric Steps Package List： 1 x Electric Side Step Motor 3 x Metal Washer 3 x Metal Screw