Product Description: Durable Spindle Pulley Replacement for Z425, Z435, and Z445 Mowers Enhance the performance of your mower with our high-quality Spindle Pulley, specifically designed for Z425, Z435, and Z445 models. This replacement part ensures long-lasting reliability and easy installation, making it a perfect choice for maintaining your lawn equipment. High Compatibility: This spindle pulley is precisely designed for Z425, Z435, and Z445 mower models. Before purchasing, please verify your model's compatibility to ensure a perfect fit and optimal performance. OEM Number: Compatible with part numbers M163464 and M154394, this spindle pulley replacement ensures that it fits seamlessly with your equipment. Confirm these part numbers against your existing components for accurate compatibility. Made of Metal for Durability: Constructed from robust metal material, this spindle pulley offers excellent durability and strength. It ensures stability and long-term reliability, keeping your mower running smoothly even under demanding conditions. Ideal Replacement: Our spindle pulley has undergone strict quality testing to ensure its stable condition and reliable performance. It effectively replaces damaged or aging original parts, restoring your mower's functionality. Easy Installation: Designed for straightforward replacement, this pulley requires no modifications or complicated steps. Simply replace the old part directly, saving you time and effort with a quick and hassle-free installation process. Upgrade your mower with our Spindle Pulley Replacement for Z425, Z435, and Z445 models. Combining high compatibility, durable construction, and easy installation, this pulley is essential for maintaining the efficiency and reliability of your lawn equipment.