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134-6452 is an ignition trigger built for 40 HP 4cyl Mercury/Mariner 1989-97 models with Serial # OC159200 thru OG589999. Used to correct misfire, timing loss, or intermittent trigger signal problems.
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Part #: 134-6452
Mercury40 HPTriggerWeight: 1 lb
4.0 / 5  (6 votes)
134-6452 is an ignition trigger built for 40 HP 4cyl Mercury/Mariner 1989-97 models with Serial # OC159200 thru OG589999. Used to correct misfire, timing loss, or intermittent trigger signal problems.

Notes:

This trigger has a straight linkage arm. Make sure to check yours before ordering.

List Price: $134.39
Your Price: $122.30
Normally In Stock

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

Replaces OEM#'s

73372A1, 73410A1, 76681A1, 77000A2, 964582A1, 964582A3, 964582A4, 964582A5

Product Details

Designed for reliable ignition synchronization, this marine trigger helps coordinate spark timing events across the engine's RPM range.

Marine-grade insulation materials and sealed pickup circuitry help protect the trigger assembly from humidity, heat cycling, and electrical interference.

Features

  • Vibration-resistant electronic components
  • Marine-grade sealed construction
  • Precision ignition timing signal generation
  • Designed for stable spark synchronization

Common Symptoms of a Failing Trigger

  • Intermittent ignition timing problems
  • RPM instability under load
  • 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.