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134-4512-3 is a replacement ignition trigger used on 50 HP 3cyl Mercury/Mariner 1997-2006 models with Serial # OG531301 thru OT999999 and 1998-2005 Jet models with Serial # OG590000 thru OT408999. Supports consistent spark timing on compatible 2-stroke o
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Part #: 134-4512-3
Mercury50 HPTriggerWeight: 1 lb
4.0 / 5  (7 votes)
134-4512-3 is a replacement ignition trigger used on 50 HP 3cyl Mercury/Mariner 1997-2006 models with Serial # OG531301 thru OT999999 and 1998-2005 Jet models with Serial # OG590000 thru OT408999. Supports consistent spark timing on compatible 2-stroke o
List Price: $132.99
Your Price: $121.05
Normally In Stock

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

Replaces OEM#'s

854512T, 834520T, 855746A12

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

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

Common Symptoms of a Failing Trigger

  • Intermittent ignition timing problems
  • Ignition timing drift after warm-up
  • Engine misfire or hesitation
  • 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.