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Fits 150 HP Johnson/Evinrude 1989-91 SL and ST models: 133-3853 is a timer base. Provides timing input needed for smooth spark advance and engine operation.
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Part #: 133-3853
Evinrude150 HPTimer BaseWeight: 2 lb
4.0 / 5  (34 votes)
Fits 150 HP Johnson/Evinrude 1989-91 SL and ST models: 133-3853 is a timer base. Provides timing input needed for smooth spark advance and engine operation.
List Price: $489.29
Your Price: $445.25
Normally In Stock

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

Replaces OEM#'s

583853, 584363, 763774

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

  • Vibration-resistant electronic components
  • Supports dependable throttle response
  • Designed for stable CDI timing signals
  • Helps maintain accurate ignition advance operation

Common Symptoms of a Failing Timer Base

  • Intermittent ignition timing issues
  • Erratic spark timing behavior
  • 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.