【Perfect Fit 】: Our 539112170 Lawn Mower Spindle is engineered to match select lawn mower models precisely, including EZ4216, EZ4217, EZ4220, EZ4624, EZ4819, EZ4822, EZ4824, EZ5221, EZ5224, EZ5225, EZ5226, EZ6124, EZC4824, FD52M, FD61M, GT48, GT52, GTH26, GTH27 and GTH2752. It directly replaces old or faulty spindles, ensuring seamless compatibility with your mower 【Premium Durability 】: The 539112170 Lawn Mower Spindle is made of high-quality aluminum alloy, featuring corrosion resistance and anti-bending. It endures outdoor conditions and frequent mowing, keeping your mower reliable season after season 【Quick Install】: Installing the 539112170 Lawn Mower Spindle takes under 30 minutes, even for beginners. It has 4 pre-tapped holes and includes 4 bolts. Get your mower back to work fast 【Boost Performance】: Replacing broken/bent spindles with our 539112170 Lawn Mower Spindle enhances mower deck & blade functionality. It ensures smooth rotation, prevents uneven cutting, and reduces engine strain for efficient trimming 【Safety Tips】: When installing the 539112170 Lawn Mower Spindle, first unplug/turn off all power to avoid electric hazards. Wear gloves to protect hands from sharp edges/debris—safety first for repairs! This mandrel assembly (part number 539112170) is for lawn tractors. Mandrel assembly 539112170 attaches to the mower deck and spins the blades