The correct Replacement Right Rear Leg for Lippert Ground Control 3.0 Electric Leveling System is part # LC428493 for 22-1/2" or part # LC344792 for 24-1/2". I don't have any way to look up which you need so you can either measure or call the trailer manufacturer. If you are going to measure, do so from the bottom of the foot while retracted to the top of the motor. view full answer...
Since AL-KO is no longer around, you will need to check your existing bearings to find the correct replacement. If you remove your hub you can look for the bearing numbers stamped in the face of each bearing. If these are worn or missing you can measure the inner diameter of your bearings using a digital caliper like # PTW80157. See the diagram below.
If you find that you have a # 14125A outer and # 25580 inner bearing with a grease seal that has a 2.125" inner diameter you will be able... view full answer...