The Heavy Duty Spindle Pulley for 129206 153532 is meticulously designed to provide excellent performance for your 2348ls and 2748gls lawnmowers. Its robust construction ensures durability, standing up to the weight and strain of regular mowing, keeping your mower running smoothly and efficiently. This spindle pulley has an inner diameter of 4-7/8", which is perfect for providing power and reducing heat during operation. Its outer diameter of 4-7/8" also ensures compatibility with the specified deck components, allowing for a seamless installation and optimal performance. The Mower 0.645 specification indicates the pulley's ideal fit, ensuring a secure and efficient connection. With its reliable and long-lasting construction, this spindle pulley is an excellent choice for maintaining your lawnmower's performance and lifespan.