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For 40 HP 4cyl Jet Mercury/Mariner 1989-97 models with Serial # OC159200 thru OG589999, 134-6452 is an ignition trigger. Helps diagnose and correct ignition timing faults related to trigger failure.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 134-6452
Mercury40 HPTriggerWeight: 1 lb
4.0 / 5  (24 votes)
For 40 HP 4cyl Jet Mercury/Mariner 1989-97 models with Serial # OC159200 thru OG589999, 134-6452 is an ignition trigger. Helps diagnose and correct ignition timing faults related to trigger failure.

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

Built for harsh outboard environments, this trigger assembly supports stable ignition timing and dependable CDI signal generation.

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

Features

  • Marine-grade sealed construction
  • Precision ignition timing signal generation
  • Helps support dependable throttle response
  • Vibration-resistant electronic components

Common Symptoms of a Failing Trigger

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

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.