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For 9.9 HP Johnson/Evinrude 1977-2005 2 stroke models, 173-1670 is an ignition stator. Generates ignition voltage needed for consistent spark delivery.
Brand or product appearance may vary slightly depending on current inventory.

Part #: 173-1670
Evinrude9.9 HPStatorWeight: 1 lb
3.0 / 5  (21 votes)
For 9.9 HP Johnson/Evinrude 1977-2005 2 stroke models, 173-1670 is an ignition stator. Generates ignition voltage needed for consistent spark delivery.
List Price: $35.99
Your Price: $32.75
Normally In Stock

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

Replaces OEM#'s

0581670, 0584504, 0585073, 5000611, 581670, 584504, 584840, 585073

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 Johnson/Evinrude applications where ignition stability depends on clean stator output.

Materials & Build Quality

  • Epoxy encapsulation helps shield internal windings from moisture, vibration, and corrosion.
  • Marine-grade lead wires and molded connectors help maintain dependable contact in a high-vibration environment.
  • High-temperature insulation helps protect the windings from heat cycling inside the engine cowling.
  • The coil assembly is built to resist breakdown from heat, oil mist, humidity, and repeated thermal expansion.

Performance Features

  • Helps the ignition system recover from weak output, hard starting, and cylinder drop-out symptoms.
  • Designed to maintain stable voltage as engine load and RPM change.
  • Provides a dependable electrical source for the ignition system under real-world boating conditions.
  • Helps reduce high-RPM breakup caused by weak or unstable stator output.

Common Symptoms of Stator Failure

  • Weak or intermittent spark
  • Hard starting
  • Unstable ignition output
  • Poor acceleration caused by weak ignition energy
  • Spark loss after warm-up

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.