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5186 fits 140 HP Mercury/Mariner models with Serial # 5327663 and UP and Jet models with Serial # OD082000 thru OG960499 Helps deliver high-voltage spark to the plugs for smooth engine operation as an ignition coil. Helps correct weak spark, misfire, or h
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Part #: 5186
Mercury140 HPCoilWeight: 1 lb
3.0 / 5  (24 votes)
5186 fits 140 HP Mercury/Mariner models with Serial # 5327663 and UP and Jet models with Serial # OD082000 thru OG960499 Helps deliver high-voltage spark to the plugs for smooth engine operation as an ignition coil. Helps correct weak spark, misfire, or h
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

  • Helps reduce intermittent ignition misfire
  • Epoxy-sealed marine-grade construction
  • Helps support consistent spark delivery
  • Designed for harsh marine environments

Common Symptoms of a Failing Ignition Coil

  • Rough idle or hesitation
  • Hard starting conditions
  • No spark on one cylinder
  • 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.