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For 30 HP Johnson/Evinrude 1984-2005 models, 133-3387 is a timer base. Helps restore accurate spark timing on compatible outboard applications.
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Part #: 133-3387
Evinrude30 HPTimer BaseWeight: 1 lb
4.0 / 5  (34 votes)
For 30 HP Johnson/Evinrude 1984-2005 models, 133-3387 is a timer base. Helps restore accurate spark timing on compatible outboard applications.
List Price: $87.49
Your Price: $61.40
Normally In Stock

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

Replaces OEM#'s

583387, 584716

Product Details

Designed for reliable spark timing control, this marine timer base helps coordinate ignition advance events for smoother throttle response and stable engine performance.

Marine-grade insulation materials and sealed trigger components help protect the timer base from humidity, heat cycling, and electrical interference.

Features

  • Helps maintain accurate ignition advance operation
  • Precision ignition timing synchronization
  • Designed for stable CDI timing signals
  • Vibration-resistant electronic components

Common Symptoms of a Failing Timer Base

  • Intermittent ignition timing issues
  • RPM instability under acceleration
  • Hard starting conditions
  • Ignition timing drift after warm-up

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.