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133-3377 is a timer base built for 150 HP Johnson/Evinrude 1979-88 models. Helps control ignition timing and cylinder firing position.
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Part #: 133-3377
Evinrude150 HPTimer BaseWeight: 2 lb
4.0 / 5  (5 votes)
133-3377 is a timer base built for 150 HP Johnson/Evinrude 1979-88 models. Helps control ignition timing and cylinder firing position.
List Price: $387.79
Your Price: $352.90
Normally In Stock

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

Replaces OEM#'s

581985, 582122, 582356, 582357, 582371, 582394, 583129, 583377

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.

The assembly uses sealed electronic components and vibration-resistant construction to help maintain stable ignition timing performance under demanding marine operating conditions.

Features

  • Precision ignition timing synchronization
  • Designed for stable CDI timing signals
  • Marine-grade sealed construction
  • Helps maintain accurate ignition advance operation

Common Symptoms of a Failing Timer Base

  • Ignition timing drift after warm-up
  • Engine hesitation or misfire
  • Erratic spark timing behavior
  • Hard starting conditions

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.