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134-4512-3 is an ignition trigger built for 90 HP 3cyl Mercury/Mariner 1996-2006 models with Serial # OG438000 thru 1B000299. Helps diagnose and correct ignition timing faults related to trigger failure.
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Part #: 134-4512-3
Mercury90 HPTriggerWeight: 1 lb
4.0 / 5  (9 votes)
134-4512-3 is an ignition trigger built for 90 HP 3cyl Mercury/Mariner 1996-2006 models with Serial # OG438000 thru 1B000299. Helps diagnose and correct ignition timing faults related to trigger failure.
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

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

  • Marine-grade sealed construction
  • Designed for stable spark synchronization
  • Vibration-resistant electronic components
  • Helps support dependable throttle response

Common Symptoms of a Failing Trigger

  • RPM instability under load
  • Engine misfire or hesitation
  • Intermittent ignition timing problems
  • Ignition timing drift after warm-up

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.