FAST SHIPPING
On Orders Over $99
EXPERT SUPPORT
⌕ TRACK ORDER 🛒 CART (0)

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.
133-3378 fits 65 HP Johnson/Evinrude 1984-91 models as a timer base. Helps control ignition timing and cylinder firing position.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 133-3378
Evinrude65 HPTimer BaseWeight: 2 lb
4.0 / 5  (19 votes)
133-3378 fits 65 HP Johnson/Evinrude 1984-91 models as a timer base. Helps control ignition timing and cylinder firing position.
List Price: $296.09
Your Price: $269.45
Normally In Stock

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

Replaces OEM#'s

581949, 582724,583060, 583131, 583378, 584269, 584562

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

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

Common Symptoms of a Failing Timer Base

  • Hard starting conditions
  • RPM instability under acceleration
  • Ignition timing drift after warm-up
  • 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.