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133-1900 is a replacement timer base used on 135 HP Johnson/Evinrude 1973-76 models. Helps restore accurate spark timing on compatible outboard applications.
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Part #: 133-1900
Evinrude135 HPTimer BaseWeight: 2 lb
4.0 / 5  (28 votes)
133-1900 is a replacement timer base used on 135 HP Johnson/Evinrude 1973-76 models. Helps restore accurate spark timing on compatible outboard applications.
List Price: $417.09
Your Price: $379.55
Normally In Stock

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

Replaces OEM#'s

385433, 581300, 581900, 763778

Product Details

Built for harsh marine environments, this timer base supports dependable ignition timing accuracy and consistent CDI trigger operation.

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

Features

  • Marine-grade sealed construction
  • Precision ignition timing synchronization
  • Vibration-resistant electronic components
  • Designed for stable CDI timing signals

Common Symptoms of a Failing Timer Base

  • Intermittent ignition timing issues
  • 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.