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174-2387 is an ignition stator built for 50 HP 4cyl electric start 4 stroke Mercury/Mariner 2002-05 models with Serial # OT178500 thru OT598999. Used to correct ignition power loss caused by a failing stator assembly.
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Part #: 174-2387
Mercury50 HPStatorWeight: 4 lb
4.0 / 5  (5 votes)
174-2387 is an ignition stator built for 50 HP 4cyl electric start 4 stroke Mercury/Mariner 2002-05 models with Serial # OT178500 thru OT598999. Used to correct ignition power loss caused by a failing stator assembly.
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

A properly functioning stator is critical to reliable spark production, and this assembly is built to deliver steady voltage under demanding marine operating conditions. The design priorities are especially important on Mercury/Mariner applications where ignition stability depends on clean stator output.

Materials & Build Quality

  • Laminated core sections help concentrate magnetic flux from the flywheel magnets for reliable electrical production.
  • Marine-grade lead wires and molded connectors help maintain dependable contact in a high-vibration environment.
  • 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.

Performance Features

  • Helps reduce high-RPM breakup caused by weak or unstable stator output.
  • Designed for use in wet, hot, and vibration-heavy marine engine compartments.
  • Supports dependable starting by delivering the voltage needed by the ignition module.
  • Helps restore ignition charge voltage for strong, repeatable spark output.

Failure Symptoms to Check

  • Weak or intermittent spark
  • Unstable ignition output
  • Spark loss after warm-up
  • Poor acceleration caused by weak ignition energy
  • Charging output problems where the stator also supports charging circuits

A stator should be diagnosed as part of the complete ignition system so related components are not overlooked.

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.