Sorry - this product is no longer availableSierra 18-5179 Ignition Coil Plug In 4-85 90-235 hp Sail DriveSierra 18-5179 Ignition Coil Plug In 4-85 90-235 hp Sail Drive. Johnson Evinrude OMC Ignition Coil. For every Cylinder one Coil is required. Example 2-Cylinder Engines require 2ea, Three Cylinder Engines require 3ea, i.e. Replaces 582508Manufacturer: Sierra SKU: 18-5179GTIN: 030999236791 $19.95 Add to compare listEmail a friendSierra 18-5179 Ignition Coil Plug In 4-85 90-235 hp Sail Drive. Johnson Evinrude OMC Ignition Coil. For every Cylinder one Coil is required. Example 2-Cylinder Engines require 2ea, Three Cylinder Engines require 3ea, i.e. Replaces 582508