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

(21)
$305.59
$276.30

Product Details

A CDI-style switch box regulates spark timing and coil firing through electronic switching circuits. Electrical noise or interference can affect signal clarity.

Features

  • Supports consistent ignition at all RPM levels
  • Stores and releases energy through capacitors
  • Provides reliable ignition pulse distribution
  • Ensures correct firing order sequencing
  • Maintains precise spark timing across cylinders

Construction

  • Heat-resistant housing for engine environments
  • Encapsulated epoxy core protects internal circuitry
  • SCR-based switching elements for rapid operation
  • Corrosion-resistant terminals and leads
  • Solid-state components eliminate mechanical wear
  • Sealed electronics to prevent moisture intrusion

Notes

Inspect grounds and connections during diagnosis.

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