***see 2nd picture for missing miscellaneous parts that is missing and will not be included with the purchase 379769 RV Step Motor Conversion Kit Compatible with ?A? Linkage Gearbox 379145 379146 379147 Step Motor Conversion Kit Compatible with 22, 23, 30, 32, 33,34, 35, 36, 38 and 40 MFG#909770000 About this item Compatible Models: 379769 RV step motor conversion kit compatible with Lippert Kwikee RV entry steps series 22, 23, 28A, 30, 32, 33, 34, 35, 36, 38, 40. RV ?A? linkage gearbox kit include RV step motor, RV control unit assembly compatible with 366043 1101428 379147 676061 2141001.Please confirm the model number before purchasing. We look forward to your choice and support to build a better traveling life together Product Function: RV steps motor gear box linkage kit will help you automatically open or retract your RV step ladder.The RV electric stepper motor will work with the ?A? linkage gearbox and RV control unit assembly to automatically stop when it encounters an obstacle to prevent damage to your RV stepper. Let you enjoy a good journey and experience a good life with peace of mind Quality Material: RV ladder step motor conversion kit for ?A? linkage gearbox is made of refined heavy gauge steel for excellent corrosion resistance and stability. Fully sealed double ball bearings increase efficiency and require no maintenance. The housings are semi-sealed, thus ensuring precise alignment of the transmission gears. Every improvement is made with love and respect for traveling. Choose us for more freedom, comfort and peace of mind when traveling in your RV Package Contains:1* RV step motor 379769( 676061) 1* gear box with A linkage( 379160) 1* control unit assembly( 379146) 30* Mounting Accessories. RV step motor conversion kit 379769 have a rich inventory of accessories, including RV stepper motors, control unit assembly, RV pedal linkage gearbox, cable harnesses,all kinds of screws, etc. to meet your different upgrade needs