bianxiao (2 pack) 732-04609 extension spring compatible with mtd cub cadet craftsman troy-bilt ztl8000 rzt-50 ztl7000 rzt-54 rzt-42 zt-50 zt-54 mower is up for auction in Patio, Lawn & Garden. This item is in Good Condition. This auction has ended — similar items appear in live auctions regularly.