Dimensions and Agreement: Developed to fit most 401000, 405000, and 406000 motors, ensuring seamless integration and precise engine control for optimal execution. Substance and Durability: Constructed from excellent rustless, this grasscutter gear resists premature wear and withstands harsh conditions for permanent use. Functionality and Efficilivelinheart: Furnishes stable and accurate pace regulation, maintaining consistent engine WHIRLS to reduce the risk of engine damage and secure consistent power . Security and Reliability: Constructed for consistent execution, this replacement gear ensures safe and consistent action, minimizing stop and maintenance expenses. Package includes: 1 x 793338 Lawnmower Speed ​​Gear