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.
Fits 40 HP 2cyl Mercury/Mariner 1995-99 models with Serial # OG055314 thru OG589999: 134-9021-2 is an ignition trigger. Sends the ignition signal that allows the system to fire at the correct time.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 134-9021-2
Mercury40 HPTriggerWeight: 1 lb
4.0 / 5  (9 votes)
Fits 40 HP 2cyl Mercury/Mariner 1995-99 models with Serial # OG055314 thru OG589999: 134-9021-2 is an ignition trigger. Sends the ignition signal that allows the system to fire at the correct time.
List Price: $114.49
Your Price: $104.20
Normally In Stock

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

Replaces OEM#'s

99021A11, 99021A14

Product Details

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

The assembly uses vibration-resistant electronic components and insulated signal wiring designed for dependable timing performance in marine applications.

Features

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

Common Symptoms of a Failing Trigger

  • RPM instability under load
  • Ignition timing drift after warm-up
  • Intermittent ignition timing problems
  • Loss of spark synchronization

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.