For Mercury Mariner Outboard Switch Box CDI 339-7452A15 7452A19 18-5777

This aftermarket switch box CDI is designed for Mercury Mariner outboard engines, providing reliable ignition control for smooth engine performance. It is suitable for use in various marine applications requiring efficient spark timing.

• Compatible Models: Mercury Mariner outboard engines
• Part Numbers: 339-7452A15, 7452A19, 18-5777
• Function: Switch box CDI for ignition control
• Application: Marine engine ignition system replacement

This item is an aftermarket part, not OEM. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.