Direct Replacement Component: this furnace ignitor is compatible with Trane and American Standard furnaces Replace Part Number: compatible with B340039P01, IGN34, IGN00034, IGN54, and IGN00054; This furnace hot surface igniter is specifically compatible with these models, offering a more reliable and professional ignition solution 5-1/4" Long Insulated Wires: includes 2 high temperature ceramic nuts Product Components: this OEM furnace ignitor is composed of several components, including a hot surface carbide tip, ceramic insulator, mica based conductor, and high temperature adhesive Easy to Use: the furnace direct replacement has OEM Plug, which can better to connect the power supply to work quickly; Please note that these ignitors are extremely fragile and should be handled with care.