Exmark 631645 Replacement PTO Clutch — Upgraded Next Gen, 1.125" ID, 6.3" Pulley, CW

High-performance replacement PTO clutch for Exmark, part 631645, redesigned for next-gen reliability and serviceability. Rotation: CW. Specifications: ID: 1.125", Pulley Diameter: 6.3". Performance highlights include State-of-the-Art Pulley Construction delivering a 50% efficiency gain and an Advanced Braking System providing 20% faster stop time. Cooling and longevity are improved with Ultra Cool Bearing & Coil Technology. Maintenance is simplified with a Replaceable Wire Harness.