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5186 is an ignition coil for 80 HP 4cyl Mercury/Mariner models with Serial # 5141097 thru 6432900 and 3cyl models with Serial # OA996142 thru OC221999 Helps deliver high-voltage spark to the plugs for smooth engine operation. Supports strong plug firing f
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Part #: 5186
Mercury80 HPCoilWeight: 1 lb
3.0 / 5  (29 votes)
5186 is an ignition coil for 80 HP 4cyl Mercury/Mariner models with Serial # 5141097 thru 6432900 and 3cyl models with Serial # OA996142 thru OC221999 Helps deliver high-voltage spark to the plugs for smooth engine operation. Supports strong plug firing f
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.

Marine-grade internal windings and vibration-resistant epoxy encapsulation help protect the coil from heat cycling, humidity, and electrical breakdown.

Features

  • Designed for harsh marine environments
  • Precision-wound insulated copper windings
  • Helps reduce intermittent ignition misfire
  • Epoxy-sealed marine-grade construction

Common Symptoms of a Failing Ignition Coil

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

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.