Sierra International 18-5192 Marine Ignition Coil for Johnson/Evinrude Outboard Motor Sierra Ignition Coil Meets or exceeds the original equipment quality Sierra part number: 18-5192 Interchangeable with the following: CDI 183-2091, GLM 72040, Evinrude/Johnson 582091, 0581610, 502888, 581823, 0581764, 051503, Mallory 9-23100 Fit specific, check part numbers to ensure proper fit