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134-6452 is an ignition trigger for 80 HP 4cyl Mercury/Mariner 1978-79 models with Serial # 4831999 thru 5582561. Helps restore proper timing input for smooth engine operation.
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Part #: 134-6452
Mercury80 HPTriggerWeight: 1 lb
4.0 / 5  (14 votes)
134-6452 is an ignition trigger for 80 HP 4cyl Mercury/Mariner 1978-79 models with Serial # 4831999 thru 5582561. Helps restore proper timing input for smooth engine operation.

Notes:

This trigger has a straight linkage arm. Make sure to check what you have 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.

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

Features

  • Designed for stable spark synchronization
  • Supports accurate CDI timing events
  • Marine-grade sealed construction
  • Precision ignition timing signal generation

Common Symptoms of a Failing Trigger

  • Engine misfire or hesitation
  • Loss of spark synchronization
  • RPM instability under load
  • Hard starting conditions

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.