1. Outboard Switch Box, OEM Part #855713A4, fits Mercury 6-20 HP 2-Stroke outboard motors. 2. Provides consistent ignition spark, improves engine startup and eliminates misfire & stalling issues. 3. Pre-assembled wiring harness matches OEM specifications, direct plug-and-play replacement for easy installation. 4. Heavy-duty sealed housing, waterproof, shock-resistant and anti-corrosion for harsh marine conditions. 5. Wires with protective sleeves resist abrasion and aging, ensuring stable signal transmission and long service life.
