[FIT] Compatible with Husqvarna, Sears, Craftsman, Ariens, Oregon, AYP, Poulan Pro, and other brands for 42-inch, 46-inch, 48-inch, and 54-inch mower decks. Fits Poulan Pro P54ZX 54-inch deck. [COMPATIBLE] Lawn tractors and mowers with 4-screw mounting pattern: Models 187292, 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301. Ariens: 21546238, 21546299, 21549012. Husqvarna: 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. McCulloch: 532192870. Dixon: 532187292, 532192870. Raisman: 80-12-001. Rotary: 11590. Oregon: 82-026 and others. [WELL-BUILT] Blade mount features a 5-point star design. Replacement part is durable, corrosion-resistant, and constructed from high-quality materials. Includes top nut, spindle assembly, blade bolt kit, mounting bolts, grease zerk, pulley locknuts, spacer, 2RS bearing, and pre-filled grease—no additional greasing required. [EASY INSTALLATION] Mounting holes are pre-tapped for easier installation. Spacer must be installed under the pulley. Installing the spacer on top of the pulley or omitting the spacer may damage the shaft and pulley. [PRODUCT DETAILS] Overall height: 7-1/2 inches (190mm), including grease zerk. Mounting hole distance: 5-5/8 inches (143mm). Color: Silver. Material: Aluminum alloy. [PACKAGE CONTENTS] 1 x Spindle assembly, 1 x Blade bolt, 4 x Mounting bolts. Package includes only the items listed; other products not included. [NOTE] Lighting and display differences may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3cm.