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Fits 70 HP Johnson/Evinrude 1991-92 TTL models: 133-4558 is a timer base. Supports proper ignition advance and reliable cylinder firing.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 133-4558
Evinrude70 HPTimer BaseWeight: 2 lb
4.0 / 5  (7 votes)
Fits 70 HP Johnson/Evinrude 1991-92 TTL models: 133-4558 is a timer base. Supports proper ignition advance and reliable cylinder firing.
List Price: $239.39
Your Price: $217.80
Normally In Stock

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

Replaces OEM#'s

583395, 584558

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.

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

Features

  • Supports dependable throttle response
  • Precision ignition timing synchronization
  • Helps maintain accurate ignition advance operation
  • Vibration-resistant electronic components

Common Symptoms of a Failing Timer Base

  • Ignition timing drift after warm-up
  • Engine hesitation or misfire
  • Intermittent ignition timing issues
  • Erratic spark timing behavior

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.