1. Part Number: Replacement part number is 9251741, reference number is 7251741. Manufactured to original specifications, meeting or exceeding OEM specifications. 2. Applicable models: Troy Bilt replacement, Cub Cadet replacement, MTD replacement, ensuring appearance and function match the original vehicle. 3. Stable performance: This professional ignition switch ensures a stable and efficient connection, ensuring that your lawn mower starts quickly and efficiently every time. 4. High durability: Precision manufactured with high-hardness metal alloy material, with anti-wear and anti-rust properties, reliable operation and longer service life. 5. Perfect fit: Used to replace and refurbish the old starter ignition switch on the original vehicle, no modification is required, direct replacement can be used seamlessly.