Product: Vane/Wing Balancer (fits reference numbers 339075B / 42-047) Why you need it Restores precise blade balance to reduce vibration and wobble that cause uneven cutting and premature wear. Prevents blade bending and deformation by delivering an even balance, helping extend the service life of blades and mower components. Improves cutting performance and reduces stress on bearings and mounts for more reliable, longer-term operation. Key features and benefits Direct compatibility: Matches parts referenced as 339075B and 42-047 for straightforward replacement or retrofit. Six-magnet design: Provides stable, repeatable positioning and accurate balancing for vanes or wings. Easy installation: Simple to fit for routine maintenance or quick field repairs, minimizing downtime. High-strength metal construction: Durable and resistant to wear, built to withstand regular use and deliver long service life. Precision balancing: Helps maintain straight, true blades for cleaner cuts and reduced equipment strain. Performance and function Balances rotating vanes/wings precisely to reduce vibration and uneven load. Stabilizes blade rotation to prevent bending and reduce the risk of damage to blades and mounting hardware. Designed for reliable, repeatable results during each maintenance cycle. Practical use scenarios Routine mower maintenance: Use during seasonal blade service to ensure blades are balanced before reinstallation. Professional landscaping fleets: Keep multiple machines cutting cleanly and reliably by replacing worn balancers during scheduled checks. Equipment restoration or repair: Fit when refurbishing an older mower or replacing a damaged balancer to restore original performance. Compatibility and purchase tips Confirm fit by matching your existing part number to 339075B or 42-047 before ordering. If you perform field balancing as part of regular maintenance, this balancer is a direct, durable replacement that reduces vibration-related wear. Materials and durability Constructed from high-strength metal for robust, long-lasting performance under regular operating conditions. Designed to maintain performance through repeated installations and balancing cycles. This Vane/Wing Balancer provides a durable, accurate solution for restoring blade stability, reducing vibration, and extending the life of your mower components.