Depending on which Lippert leveling system you have it is possible that you need either the SnapPad Jack Stand Pads for 5th Wheel and Class A Motorhome - 9" Round Jack Feet part # SP54FR or the Replacement Pad for SnapPad Jack Stand Pad System - 8" Round part # SP34FR.
To ensure you get the perfect fit please measure your foot plate on you system and choose the one that matches up. view full answer...