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174-5456-16 is an ignition stator built for 150 HP Mercury/Mariner 1985-88 models with Serial # OA904646 thru OC100860 and 1990-91 models with Serial # OC239553 thru OD081999. Generates ignition voltage needed for consistent spark delivery.
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Part #: 174-5456-16
Mercury150 HPStatorWeight: 5 lb
3.0 / 5  (13 votes)
174-5456-16 is an ignition stator built for 150 HP Mercury/Mariner 1985-88 models with Serial # OA904646 thru OC100860 and 1990-91 models with Serial # OC239553 thru OD081999. Generates ignition voltage needed for consistent spark delivery.

Notes:

Models with 16amp charging system

List Price: $313.09
Your Price: $244.25
Normally In Stock

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

Replaces OEM#'s

398-5454A11, 398-5454A15, 398-5454A16, 398-5454A30, 398-5454A31, 398-5454A32, 398-5454A34, 398-5454A35, 398-5454A36, 398-5454A61, 398-5454A64

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.

Stator Design

  • Sealed construction helps reduce moisture intrusion that can lead to weak spark or no-spark conditions.
  • The coil assembly is built to resist breakdown from heat, oil mist, humidity, and repeated thermal expansion.
  • Marine-grade lead wires and molded connectors help maintain dependable contact in a high-vibration environment.
  • Vibration-resistant construction helps reduce the chance of intermittent output caused by loose or damaged windings.

Ignition System Benefits

  • Engineered to meet OEM-style electrical output characteristics.
  • Helps the ignition system recover from weak output, hard starting, and cylinder drop-out symptoms.
  • Provides a dependable electrical source for the ignition system under real-world boating conditions.
  • Supports smooth acceleration by helping the ignition system maintain consistent energy.

Common Ignition Symptoms

  • Engine misfire under load
  • Charging output problems where the stator also supports charging circuits
  • Spark loss after warm-up
  • Unstable ignition output
  • Hard starting

For best results, stator output should be verified with the proper service-manual resistance and DVA voltage tests before installation.

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.