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134-3736 fits 90 HP 6cyl Mercury/Mariner 1978-79 models with Serial # 4845301 thru 5299505 as an ignition trigger. Sends the ignition signal that allows the system to fire at the correct time.
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Part #: 134-3736
Mercury90 HPTriggerWeight: 1 lb
3.0 / 5  (23 votes)
134-3736 fits 90 HP 6cyl Mercury/Mariner 1978-79 models with Serial # 4845301 thru 5299505 as an ignition trigger. Sends the ignition signal that allows the system to fire at the correct time.
List Price: $671.99
Your Price: $611.55
Normally In Stock

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

Replaces OEM#'s

332-4177A3, 393-3736A3, 393-3736A23, 393-3736A77, 393-3736A79

Product Details

This trigger assembly is engineered to provide accurate ignition timing signals for dependable spark sequencing and throttle response.

Marine-grade insulation materials and sealed pickup circuitry help protect the trigger assembly from humidity, heat cycling, and electrical interference.

Features

  • Designed for stable spark synchronization
  • Supports accurate CDI timing events
  • Vibration-resistant electronic components
  • Marine-grade sealed construction

Common Symptoms of a Failing Trigger

  • RPM instability under load
  • Intermittent ignition timing problems
  • Loss of spark synchronization
  • Hard starting conditions

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.