Outboard CDI Switch Box Replacement For Mercury And Mariner Boats, Plug And Play Ignition Control Module, Fits 6HP To 35HP Motors, 1984 To 1998, Works With 339-7452A19 339-7452A15 And Other Related Part Numbers

Plug-and-play CDI switch box for 6-35HP marine engines, 1 pc
✔️ Plug-and-play ignition module fits OEM numbers like 339-7452A19

This replacement CDI switch box is designed for outboard motors in the 6 to 35 HP range, commonly used on Mercury and Mariner boats from the mid 1980s to late 1990s. It replaces a failed ignition module and helps restore reliable starts and smooth idle.

✅ Compatible with 6-35HP Mercury/Mariner engines from 1984-1998
✅ OEM numbers include 339-7452A19, 339-7452A15, 339-7452A9, 339-7452A11
✅ Plug-and-play installation; no extra rewiring required

💡 What is a CDI switch box used for in marine outboards?

It handles ignition timing and spark control for reliable starts and smooth running.

- Restores spark timing and ignition control
- Plug-and-play replacement minimizes downtime
- Works with OEM numbers including 339-7452A19 and related codes