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Fits 55 HP 3cyl Mercury/Mariner 1998-2007 models with Serial # OG590000 thru OT980000: 134-4512-3 is an ignition trigger. Restores the signal path needed for accurate cylinder firing.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 134-4512-3
Mercury55 HPTriggerWeight: 1 lb
4.0 / 5  (24 votes)
Fits 55 HP 3cyl Mercury/Mariner 1998-2007 models with Serial # OG590000 thru OT980000: 134-4512-3 is an ignition trigger. Restores the signal path needed for accurate cylinder firing.
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.

Precision magnetic pickup components and sealed marine-grade construction help resist moisture intrusion, corrosion, and damaging engine vibration.

Features

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

Common Symptoms of a Failing Trigger

  • Intermittent ignition timing problems
  • RPM instability under load
  • Hard starting conditions
  • 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.