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For 35 HP Mercury/Mariner models with Serial # 6445653 and UP Helps deliver high-voltage spark to the plugs for smooth engine operation, 5186 is an ignition coil. Restores spark energy where the original ignition coil has weakened or failed.
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Part #: 5186
Mercury35 HPCoilWeight: 1 lb
3.0 / 5  (8 votes)
For 35 HP Mercury/Mariner models with Serial # 6445653 and UP Helps deliver high-voltage spark to the plugs for smooth engine operation, 5186 is an ignition coil. Restores spark energy where the original ignition coil has weakened or failed.
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
  • Helps reduce intermittent ignition misfire
  • Helps support consistent spark delivery
  • High-voltage ignition output design

Common Symptoms of a Failing Ignition Coil

  • Engine misfire under load
  • Weak or intermittent spark
  • No spark on one cylinder
  • 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.