Mercury Mariner Switch Box Power Pack CDI 6 to 25 HP 855713A3 855713A4

This switch box power pack CDI is designed for Mercury Mariner engines ranging from 6 to 25 HP, ensuring reliable ignition performance.

• brand: Mercury
• fitment: 6 to 25 HP
• includes: switch box power pack

Please check fitment, sizing, and compatibility before purchasing. Professional installation is recommended where required.