Sierra 18-99410 OMC Timer Base 6 Cylinder Johnson Evinrude Outboard

The Sierra 18-99410 Timer Base is a premium replacement ignition component designed for OMC 6-cylinder outboard engines. This critical component works as part of the engine's electronic ignition system to control ignition timing and ensure proper spark delivery to all six cylinders.

Key Features:

• Precision-engineered for 6-cylinder OMC (Johnson/Evinrude) outboard engines
• Manufactured to meet or exceed OEM specifications for reliable performance
• Direct replacement for worn or failed factory timer bases
• Premium quality construction for extended service life
• Backed by Sierra's limited lifetime warranty

Timer bases are essential components in the ignition system that control the timing sequence for spark plug firing. When timer bases fail, engines may experience difficult starting, rough idle, misfiring, or loss of power. The Sierra 18-99410 provides a cost-effective, reliable solution for restoring proper ignition timing and engine performance. Sierra Marine has been a trusted manufacturer of aftermarket marine engine components for over 50 years, delivering quality parts that professional mechanics and boat owners rely on.