OE Number: This CDI switch box power pack references OE numbers 855713 A3, 855713 A4, 855713A3, 855713A4, and 114-5713. Fitment: This switch box CDI power pack unit is designed to replace units on Mariner 6, 8, 10, 15, 20, and 25 Hp 2-Stroke engines from 1997 to 2005. Please verify your model before ordering. Durable Design: Features durable housing and cable harness guards that help protect against harsh conditions, vibration, wear, and moisture for extended service life. Ideal Replacement: Designed as a direct replacement for original CDI units, helps resolve ignition issues and restores engine performance quickly. Fine Workmanship: Professionally manufactured with precise craftsmanship and a reliable design to ensure stable operation and high durability.