Erie Tools Spindle Assembly fits Exmark 1-634972 1634972 Laser Z 60" Lawn Mower Deck Includes pulley and zerk fittings for easy maintenance Fits Exmark Laser Z 60" Mower Deck Serial # 150,000- 252,000 Aluminum Housing Zerk Grease Fitting 3 Spindles Reqired for 60" Deck