IGNITION COIL 855685T PAF15-07000600

Function and technical context

The ignition coil is the central component of the marine ignition system, responsible for generating and amplifying the electrical voltage necessary to produce the spark at the spark plugs. It works within the ignition circuit of petrol outboard engines, transforming the low voltage current from the alternator into high voltage capable of ionizing the space between the electrodes of the spark plugs. Its reliable operation is critical to ensure consistent starts and optimal combustion under all operating conditions; A failure in the coil causes no spark, inability to start and total loss of propulsion in the water.

When to replace this part?

Typical symptoms of an aging or failing ignition coil include repeated difficulty starting the engine, intermittent failures while cruising, loss of power or irregular revs. Although marine coils are designed to withstand high salinity and humidity environments, prolonged exposure to salt spray and thermal loading cycles accelerate their degradation; It is recommended to inspect its condition at each seasonal inspection and replace it preventively if it shows visible corrosion, cracks in the insulation or oxidized contacts. Preventively replacing the coil before complete failure occurs prevents stranding at sea and costly emergency repairs.

Engine Compatibility

Mercury/MerCruiser

Equivalent manufacturer part numbers