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134-9021-3 fits 60 HP 3cyl Mercury/Mariner 1991-97 models with Serial # OD000750 thru OG589999 as an ignition trigger. Helps synchronize ignition timing with crankshaft position.
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Part #: 134-9021-3
Mercury60 HPTriggerWeight: 1 lb
4.0 / 5  (35 votes)
134-9021-3 fits 60 HP 3cyl Mercury/Mariner 1991-97 models with Serial # OD000750 thru OG589999 as an ignition trigger. Helps synchronize ignition timing with crankshaft position.
List Price: $153.99
Your Price: $139.95
Normally In Stock

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

Replaces OEM#'s

99021A3, 99021A5, 99021A9, 99021A13, 99021A15, 99021A16

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

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

Common Symptoms of a Failing Trigger

  • Hard starting conditions
  • Engine misfire or hesitation
  • Loss of spark synchronization
  • 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.