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134-4313S is a replacement ignition trigger disc used on 135 HP 6cyl Mercury/Mariner 1970-71 models with Serial # 2839369 thru 3293233. Restores the signal path needed for accurate cylinder firing.
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Part #: 134-4313S
Mercury135 HPTrigger DiscWeight: 1 lb
3.0 / 5  (33 votes)
134-4313S is a replacement ignition trigger disc used on 135 HP 6cyl Mercury/Mariner 1970-71 models with Serial # 2839369 thru 3293233. Restores the signal path needed for accurate cylinder firing.
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

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
  • Marine-grade sealed construction
  • Precision ignition timing signal generation
  • Vibration-resistant electronic components

Common Symptoms of a Failing Trigger

  • Ignition timing drift after warm-up
  • Engine misfire or hesitation
  • Hard starting conditions
  • Loss of spark synchronization

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.