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134-3736 is an ignition trigger built for 115 HP 4cyl Mercury/Mariner 1970-79 models with Serial # 2836019 thru 5314655. Helps restore proper timing input for smooth engine operation.
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Part #: 134-3736
Mercury115 HPTriggerWeight: 1 lb
4.0 / 5  (34 votes)
134-3736 is an ignition trigger built for 115 HP 4cyl Mercury/Mariner 1970-79 models with Serial # 2836019 thru 5314655. Helps restore proper timing input for smooth engine operation.
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

Designed for reliable ignition synchronization, this marine trigger helps coordinate spark timing events across the engine's RPM range.

The assembly uses vibration-resistant electronic components and insulated signal wiring designed for dependable timing performance in marine applications.

Features

  • Helps support dependable throttle response
  • Designed for stable spark synchronization
  • Supports accurate CDI timing events
  • Vibration-resistant electronic components

Common Symptoms of a Failing Trigger

  • RPM instability under load
  • Ignition timing drift after warm-up
  • Loss of spark synchronization
  • Engine misfire or hesitation

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.