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Fits 55 HP 3cyl Mercury/Mariner with Serial # OD000750 thru OG589999 Helps deliver high-voltage spark to the plugs for smooth engine operation outboard models: 5186 is an ignition coil. Helps correct weak spark, misfire, or hard-starting conditions.
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Part #: 5186
Mercury55 HPCoilWeight: 1 lb
3.0 / 5  (7 votes)
Fits 55 HP 3cyl Mercury/Mariner with Serial # OD000750 thru OG589999 Helps deliver high-voltage spark to the plugs for smooth engine operation outboard models: 5186 is an ignition coil. Helps correct weak spark, misfire, or hard-starting conditions.
List Price: $87.85
Your Price: $28.95
Normally In Stock

In Stock items ship same day if ordered before 3PM CST (excluding weekends and holidays)

Replaces OEM#'s

339-7370A13, 339-832757A4

Product Details

This ignition coil is engineered to deliver stable high-voltage spark energy across varying RPM ranges and demanding marine operating conditions.

Precision-wound secondary windings and sealed construction are designed to maintain ignition stability while operating in high-humidity marine conditions.

Features

  • Epoxy-sealed marine-grade construction
  • High-voltage ignition output design
  • Designed for harsh marine environments
  • Helps support consistent spark delivery

Common Symptoms of a Failing Ignition Coil

  • Loss of power at higher RPM
  • Rough idle or hesitation
  • Engine misfire under load
  • Weak or intermittent spark

Need Fitment Help?

Tell us your brand, horsepower, and part number. We can help verify fitment before you order.

Support PDF files appear on this page when available.