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For 120 HP Johnson/Evinrude 1984-87 35 amp models, 133-3376 is a timer base. Provides timing input needed for smooth spark advance and engine operation.
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Part #: 133-3376
Evinrude120 HPTimer BaseWeight: 2 lb
3.0 / 5  (25 votes)
For 120 HP Johnson/Evinrude 1984-87 35 amp models, 133-3376 is a timer base. Provides timing input needed for smooth spark advance and engine operation.
List Price: $346.49
Your Price: $315.35
Normally In Stock

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

Replaces OEM#'s

581812, 582041, 583127, 583128, 583376

Product Details

This timer base assembly is engineered to provide accurate ignition timing synchronization and dependable trigger signal generation throughout the engine's RPM range.

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

Features

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

Common Symptoms of a Failing Timer Base

  • Erratic spark timing behavior
  • Ignition timing drift after warm-up
  • Hard starting conditions
  • RPM instability under acceleration

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.