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134-8303-4 is a replacement ignition trigger used on 120 HP 4cyl XR Sport Jet Mercury/Mariner 1995-2000 models with Serial # OE141089 thru OE379999. Helps synchronize ignition timing with crankshaft position.
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Part #: 134-8303-4
Mercury120 HPTriggerWeight: 1 lb
4.0 / 5  (14 votes)
134-8303-4 is a replacement ignition trigger used on 120 HP 4cyl XR Sport Jet Mercury/Mariner 1995-2000 models with Serial # OE141089 thru OE379999. Helps synchronize ignition timing with crankshaft position.
List Price: $165.39
Your Price: $132.25
Normally In Stock

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

Replaces OEM#'s

828303A1, 855745A22

Product Details

This trigger assembly is engineered to provide accurate ignition timing signals for dependable spark sequencing and throttle response.

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
  • Helps support dependable throttle response
  • Supports accurate CDI timing events
  • Designed for stable spark synchronization

Common Symptoms of a Failing Trigger

  • Intermittent ignition timing problems
  • Loss of spark synchronization
  • Hard starting conditions
  • 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.