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Fits 105 HP Jet Mercury/Mariner models with Serial #OD082000 thru OG303045 Helps deliver high-voltage spark to the plugs for smooth engine operation: 5186 is an ignition coil. Supports strong plug firing for smoother idle and acceleration.
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Part #: 5186
Mercury105 HPCoilWeight: 1 lb
3.0 / 5  (30 votes)
Fits 105 HP Jet Mercury/Mariner models with Serial #OD082000 thru OG303045 Helps deliver high-voltage spark to the plugs for smooth engine operation: 5186 is an ignition coil. 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

Designed for dependable ignition performance, this marine ignition coil helps transfer consistent spark energy for reliable combustion and throttle response.

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

Features

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

Common Symptoms of a Failing Ignition Coil

  • Weak or intermittent spark
  • Engine misfire under load
  • Rough idle or hesitation
  • Hard starting conditions

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.