Compatibility and scope - Fits Troy-Bilt gas powered curved shaft string trimmers TB514CS (41ADT51G966) and TB26CO (41AD26OG966) - Also suitable as an ignition coil module magneto armature for MTD, Cub Cadet, Yard Man, TroyBilt, Bolens, Craftsman gas string trimmers - Manufacture part numbers covered: 75305301, 75305243, 75305410, 75305907, 75304298, 75306119, 75308351, 72506012, 75305447, 75305828, 791182725 What you get - Package includes: 1 ignition coil module with a built-in microchip Key benefits and features - Direct replacement for worn or failed ignition coils, helping restore reliable spark and easier starting - Magneto armature design for compatibility with a wide range of brands and models listed above - Maintains compatibility with the specified Troy-Bilt models and other common gas string trimmers in the same family Why this matters - Reduces downtime by providing a single part that covers multiple popular models and manufacture part numbers - Suitable for use in home repair, professional service, or as a spare part for ongoing maintenance Use scenarios - Scenario 1: A user with a Troy-Bilt TB514CS or TB26CO experiences starting issues or intermittent performance can install this module to restore ignition - Scenario 2: A repair technician stocks this part to service multiple brands (MTD, Cub Cadet, Yard Man, TroyBilt, Bolens, Craftsman) with compatible part numbers, simplifying inventory - Scenario 3: A service shop or field technician carries this module as a cost-effective replacement option to quickly resolve ignition failures across compatible trimmer models Shipping and delivery - Freight prepaid - Shipped by SPECIAL POST line or Yun Express - Typical delivery is about 7 to 10 working days Notes - Please verify compatibility with your specific model and part number before purchase - 1 piece per package, as described, with microchip built in