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174-5456 is a replacement ignition stator used on 150 HP XR2 Mag Mercury/Mariner 1978-86 models with Serial # 4868998 thru OA904645. Restores dependable ignition charging output in demanding marine conditions.
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Part #: 174-5456
Mercury150 HPStatorWeight: 4 lb
4.0 / 5  (31 votes)
174-5456 is a replacement ignition stator used on 150 HP XR2 Mag Mercury/Mariner 1978-86 models with Serial # 4868998 thru OA904645. Restores dependable ignition charging output in demanding marine conditions.
List Price: $312.79
Your Price: $301.45
Normally In Stock

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

Replaces OEM#'s

398-5454A2, 398-5454A6, 398-5454A7, 398-5454A8, 398-5454A9, 398-5454A17, 398-5454A18, 398-5454A55

Product Details

This outboard stator assembly is built to maintain dependable ignition energy as engine speed, heat, vibration, and load conditions change. The design priorities are especially important on Mercury/Mariner applications where ignition stability depends on clean stator output.

Design & Materials

  • Epoxy encapsulation helps shield internal windings from moisture, vibration, and corrosion.
  • Heavy-duty winding insulation helps prevent shorting between coil layers during extended operation.
  • The coil assembly is built to resist breakdown from heat, oil mist, humidity, and repeated thermal expansion.
  • Sealed construction helps reduce moisture intrusion that can lead to weak spark or no-spark conditions.

Operating Features

  • Helps correct intermittent spark loss caused by heat-sensitive stator windings.
  • Helps restore ignition charge voltage for strong, repeatable spark output.
  • Engineered to meet OEM-style electrical output characteristics.
  • Provides a dependable electrical source for the ignition system under real-world boating conditions.

Common Symptoms of Stator Failure

  • Poor acceleration caused by weak ignition energy
  • Charging output problems where the stator also supports charging circuits
  • Random cylinder drop-out
  • Unstable ignition output
  • No-start conditions

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.