This Genuine Tohatsu Marine Part is an ignition coil with an attached R-cap. It is specifically designed for Tohatsu outboard motors and is identified by the part number 3BJ-06040-0. This ignition coil is a crucial component of the engine's ignition system, responsible for generating the high voltage needed to ignite the fuel-air mixture in the combustion chamber. It ensures reliable and efficient engine performance, allowing for smooth starting and optimal power output. The included R-cap helps protect the ignition coil from moisture and other environmental factors, ensuring its longevity and durability. This Genuine Tohatsu Marine Part, with the part number 339-879147A71, guarantees a perfect fit and compatibility with your Tohatsu outboard motor, providing peace of mind and reliable operation on the water.