Mercury Mariner 20 HP Switch Boxs

Shop OEM and aftermarket for outboard motors. BPS Marine supplies dependable replacement parts backed by years of outboard powerhead rebuilding experience.

CDI Electronics Switch box

(24)
$334.89
$304.75

Product Details

The switch box controls when and where ignition energy is released based on trigger input signals. Heat buildup can degrade internal electronic components over time.

Features

  • Directs ignition energy to individual coils
  • Prevents timing drift under load
  • Handles rapid high-voltage switching cycles
  • Ensures correct firing order sequencing
  • Interfaces with trigger or timer base signals
  • Supports multi-cylinder ignition systems

Construction

  • SCR-based switching elements for rapid operation
  • Durable outer casing for vibration resistance
  • Heat-resistant housing for engine environments
  • Designed for high-speed electrical switching

Notes

Inspect grounds and connections during diagnosis.

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