FAST SHIPPING
On Orders Over $99
EXPERT SUPPORT
⌕ TRACK ORDER 🛒 CART (0)

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.
134-9021-4 is a replacement ignition trigger used on 80 HP 4cyl Jet Mercury/Mariner 1994-96 models with Serial # OD283222 thru OG437999. Restores the signal path needed for accurate cylinder firing.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 134-9021-4
Mercury80 HPTriggerWeight: 1 lb
4.0 / 5  (6 votes)
134-9021-4 is a replacement ignition trigger used on 80 HP 4cyl Jet Mercury/Mariner 1994-96 models with Serial # OD283222 thru OG437999. Restores the signal path needed for accurate cylinder firing.
List Price: $140.99
Your Price: $125.95
Normally In Stock

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

Replaces OEM#'s

99021A2, 99021A6, 99021K2

Product Details

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

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

Features

  • Supports accurate CDI timing events
  • Vibration-resistant electronic components
  • Helps support dependable throttle response
  • Precision ignition timing signal generation

Common Symptoms of a Failing Trigger

  • Engine misfire or hesitation
  • Loss of spark synchronization
  • Hard starting conditions
  • Intermittent ignition timing problems

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.