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133-3379 is a replacement timer base used on 120 HP Johnson/Evinrude 1985-87 models. Used when timing signal problems cause misfire, hard starting, or poor acceleration.
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Part #: 133-3379
Evinrude120 HPTimer BaseWeight: 2 lb
4.0 / 5  (21 votes)
133-3379 is a replacement timer base used on 120 HP Johnson/Evinrude 1985-87 models. Used when timing signal problems cause misfire, hard starting, or poor acceleration.
List Price: $315.59
Your Price: $287.20
Normally In Stock

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

Replaces OEM#'s

582514, 583289, 583379, 763776

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.

Precision pickup circuitry and marine-grade insulated wiring are designed to resist moisture intrusion, corrosion, and continuous engine vibration.

Features

  • Supports dependable throttle response
  • Designed for stable CDI timing signals
  • Precision ignition timing synchronization
  • Vibration-resistant electronic components

Common Symptoms of a Failing Timer Base

  • Ignition timing drift after warm-up
  • RPM instability under acceleration
  • Hard starting conditions
  • Engine hesitation or misfire

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.