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174-2387 is a replacement ignition stator used on 30 HP electric start 4 stroke Mercury/Mariner 2002-05 models with Serial # OT178500 thru OT178499. Supplies electrical output for the ignition system on compatible engines.
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Part #: 174-2387
Mercury30 HPStatorWeight: 4 lb
4.0 / 5  (9 votes)
174-2387 is a replacement ignition stator used on 30 HP electric start 4 stroke Mercury/Mariner 2002-05 models with Serial # OT178500 thru OT178499. Supplies electrical output for the ignition system on compatible engines.
List Price: $322.29
Your Price: $292.85
Normally In Stock

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

Replaces OEM#'s

398-852387A4, 398-852387T7

Product Details

This replacement stator is designed for stable output and long service life in harsh outboard environments where heat, moisture, and vibration are constant concerns. 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.
  • Marine-grade lead wires and molded connectors help maintain dependable contact in a high-vibration environment.
  • Sealed construction helps reduce moisture intrusion that can lead to weak spark or no-spark conditions.
  • Precision-wound copper coils are used to promote efficient voltage generation and stable output.

Operating Features

  • Supports smooth acceleration by helping the ignition system maintain consistent energy.
  • Engineered to meet OEM-style electrical output characteristics.
  • Designed to maintain stable voltage as engine load and RPM change.
  • Helps reduce high-RPM breakup caused by weak or unstable stator output.

Common Symptoms of Stator Failure

  • High-rpm breakup
  • No-start conditions
  • Engine misfire under load
  • Hard starting
  • Poor acceleration caused by weak ignition energy

Clean grounds, sound connectors, and correct flywheel condition are important for reliable stator performance after replacement.

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.