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Fits 150 HP 6cyl Mercury/Mariner 1973-77 models with Serial # 3502806 thru 4868997: 134-4313S is an ignition trigger disc. Helps synchronize ignition timing with crankshaft position.
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Part #: 134-4313S
Mercury150 HPTrigger DiscWeight: 1 lb
4.0 / 5  (32 votes)
Fits 150 HP 6cyl Mercury/Mariner 1973-77 models with Serial # 3502806 thru 4868997: 134-4313S is an ignition trigger disc. Helps synchronize ignition timing with crankshaft position.
List Price: $38.89
Your Price: $26.20
Normally In Stock

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

Replaces OEM#'s

N/A

Product Details

Built for harsh outboard environments, this trigger assembly supports stable ignition timing and dependable CDI signal generation.

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

  • Engine misfire or hesitation
  • Ignition timing drift after warm-up
  • Hard starting conditions
  • Intermittent ignition timing problems

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.