Compatibility Designed to fit models 1042, 1046, 1051, 1049 and 503580501, ensuring you can quickly locate the correct ignition coil for your engine. Easy installation Simple design with straightforward installation. No complicated steps required; a quick connection restores normal operation of the ignition system. Durability Durable construction designed to withstand longterm workloads. Suitable for use in varied working environments. Stability Stable current transmission supports reliable ignition system operation under diverse conditions. Helps reduce the risk of ignition failures. Key benefits Clear compatibility with the specified models minimizes search time and reduces wrongpart risk. Quick and easy installation lowers downtime during maintenance or repairs. Built for reliability in demanding environments, helping extend service life. Consistent current transmission enhances ignition performance and system stability. Usage scenarios Routine maintenance or coil replacement on equipment using models 1042, 1046, 1051, 1049 or 503580501. Onsite field service for small engines or outdoor equipment where quick coil replacement is needed. Service center or workshop repairs requiring a dependable ignition coil that maintains stable performance between inspections.