1Applicable Models: Gear box curved linkage assembly is replacement for Kwikee Series Electric Steps (for 22,23,28A,30,32,33,34,35,36,38,40 Series Steps). Please confirm whether your model is applicable before buying. 2OE Number: The part numbers of gear box curved linkage are 379160, and 1104425, please confirm whether it is consistent with the OE you need. 3Stable Performance: The Rv gear box curved linkage controls the raising and lowering of the motorized footrest at the entrance of the caravan. It can also provide better stability and smooth transmission. It reduces vibration and shock during the transmission process. 4Durable Construction: Gear box curved linkage kit is made of premium material, which is hardness, not easy to deform, sturdy and durable and has a long service life. 5Ideal Replacement: Comply with Oem specifications to ensure that the shape and function match the original vehicle, perfect replacement without additional modifications are required.