Ball Joint For MTD 723-0156, 923-0156, 723-3018, 932-3018, Murray 21031, 21031MA, AYP 109850X, Toro 112-0306, Snapper 10745 Single Ball Joint made to meet or exceed FSP specifications. 3/8"-24 RH Threads. Replaces Craftsman Poulan Husqvarna 109850X, Murray 21031 21031MA MTD 723-0156, 923-0156, 723-3018, 923-3018 Toro 112-0306, Snapper 10745