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Fits 40 HP manual start 4 stroke 3cyl Mercury/Mariner 2002-05 models with Serial # OT178500 thru 1B344298: 174-2386 is an ignition stator. Supplies electrical output for the ignition system on compatible engines.
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Part #: 174-2386
Mercury40 HPStatorWeight: 4 lb
4.0 / 5  (34 votes)
Fits 40 HP manual start 4 stroke 3cyl Mercury/Mariner 2002-05 models with Serial # OT178500 thru 1B344298: 174-2386 is an ignition stator. Supplies electrical output for the ignition system on compatible engines.
List Price: $377.59
Your Price: $343.65
Normally In Stock

In Stock items ship same day if ordered before 3PM CST (excluding weekends and holidays)

Replaces OEM#'s

398-852386A4, 398-852386T6

Product Details

Engineered for reliable marine ignition operation, this stator helps restore proper voltage generation when the original assembly becomes weak, heat-sensitive, or unstable. The design priorities are especially important on Mercury/Mariner applications where ignition stability depends on clean stator output.

Materials & Build Quality

  • Heavy-duty winding insulation helps prevent shorting between coil layers during extended operation.
  • The stator body is designed to maintain proper coil alignment under continuous flywheel rotation.
  • Sealed construction helps reduce moisture intrusion that can lead to weak spark or no-spark conditions.
  • Marine-grade lead wires and molded connectors help maintain dependable contact in a high-vibration environment.

Ignition System Benefits

  • Helps restore ignition charge voltage for strong, repeatable spark output.
  • Provides a dependable electrical source for the ignition system under real-world boating conditions.
  • Designed to maintain stable voltage as engine load and RPM change.
  • Supports dependable starting by delivering the voltage needed by the ignition module.

Common Ignition Symptoms

  • Charging output problems where the stator also supports charging circuits
  • Engine misfire under load
  • Hard starting
  • Unstable ignition output
  • Weak or intermittent spark

Always compare resistance and peak-voltage readings to the correct service specifications when diagnosing a suspected stator failure.

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.