Replacement & Specification: Replaces OE numbers 618-09236 and 618P09236, featuring an S-shape blade mounting pattern (fits 54" decks); package includes 1 spindle, 4 threaded bolts, 1 protective cover, and 2 912-0417 flange nuts (1 pre-fitted on the spindle, 1 extra as a spare). Compatible Models & Brands: Fits for Cub Cadet (XT1-GT54, XT1-ST54, ZT1-54, ZT2-54, ZTS2-54), Troy-Bilt (Mustang 54XP, Mustang Z54, Pony 36, Pony 36T), Craftsman (Z5800, T3200, T100, T85), and other models including MTD ZT1-54 and Columbia LT-36G—all designed for 54" decks. Durable & Stable Construction: The 618-09236 Spindle Assembly is crafted from high-quality, corrosion- and rust-resistant metal. It is equipped with an S-shape blade mount to prevent slipping and shaking, ensuring long-lasting stability and an extended service life. Enhanced Mowing Performance: The 618-09236 Mower Deck Spindle precisely maintains blade alignment and rotational balance to ensure uniform, smooth cutting. It is equipped with a pre-greased fitting (re-greasable) for extended longevity. Installation Tips: Comes with all necessary accessories (spindle, bolts, protective cover, spare flange nut) for simple installation. Check original spindle size and S-shaped hole pattern compatibility first; no special tools needed. Replacement & Specification: Replaces OE numbers 618-09236 and 618P09236, featuring an S-shape blade mounting pattern (fits 54" decks); package includes 1 spindle, 4 threaded bolts, 1 protective cover, and 2 flange nuts (1 pre-fitted on the spindle, 1 extra as a spare).