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5186 is an ignition coil built for 15 HP Mercury/Mariner models with Serial # OB292414 and UP Helps deliver high-voltage spark to the plugs for smooth engine operation. Supports strong plug firing for smoother idle and acceleration.
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Part #: 5186
Mercury15 HPCoilWeight: 1 lb
3.0 / 5  (21 votes)
5186 is an ignition coil built for 15 HP Mercury/Mariner models with Serial # OB292414 and UP Helps deliver high-voltage spark to the plugs for smooth engine operation. Supports strong plug firing for smoother idle and acceleration.
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.

The assembly uses heavy-duty insulated copper windings and an epoxy-filled housing to help resist moisture intrusion, corrosion, and damaging engine vibration.

Features

  • High-voltage ignition output design
  • Precision-wound insulated copper windings
  • Epoxy-sealed marine-grade construction
  • Helps support consistent spark delivery

Common Symptoms of a Failing Ignition Coil

  • Rough idle or hesitation
  • No spark on one cylinder
  • 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.