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For 40 HP 4cyl Mercury/Mariner 1989-91 models with Serial # OC159200 thru OD055047, 174-5454K1 is an ignition stator. Helps maintain stable spark energy across the operating range.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 174-5454K1
Mercury40 HPStatorWeight: 4 lb
3.0 / 5  (13 votes)
For 40 HP 4cyl Mercury/Mariner 1989-91 models with Serial # OC159200 thru OD055047, 174-5454K1 is an ignition stator. Helps maintain stable spark energy across the operating range.

Notes:

Not for use with flywheels having glued in magnets.

List Price: $218.61
Your Price: $179.05
Normally In Stock

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

Replaces OEM#'s

398-5454A21, 398-5454A22, 398-5454A24, 398-5454A25, 398-5454A26, 398-5454A42, 398-5454A56, 398-5454A62, 398-5454A63, 398-5704A2, 398-5704A4, 398-5704A5, 398-5704A7, 398-5919A2, 398-5919A3, 398-5919A6, 398-5919A7, 398-5919A8, 398-5919A10, 398-818535A15

Product Details

Designed for marine CDI systems, this stator helps produce the charge voltage required for strong spark output and reliable combustion control. 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.
  • Vibration-resistant construction helps reduce the chance of intermittent output caused by loose or damaged windings.
  • The stator body is designed to maintain proper coil alignment under continuous flywheel rotation.

Operating Features

  • Supports dependable starting by delivering the voltage needed by the ignition module.
  • Designed to maintain stable voltage as engine load and RPM change.
  • Engineered to meet OEM-style electrical output characteristics.
  • Helps restore ignition charge voltage for strong, repeatable spark output.

Common Ignition Symptoms

  • Weak or intermittent spark
  • No-start conditions
  • Engine misfire under load
  • Charging output problems where the stator also supports charging circuits
  • Hard starting

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.