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For 125 HP 4cyl Mercury/Mariner 1996-2006 models with Serial # OG438000 thru 1B000001, 114-7509 is an ignition switch box. Used to replace aging switch boxes that can cause poor spark or rough running.
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Part #: 114-7509
Mercury125 HPSwitch BoxWeight: 2 lb
4.0 / 5  (22 votes)
For 125 HP 4cyl Mercury/Mariner 1996-2006 models with Serial # OG438000 thru 1B000001, 114-7509 is an ignition switch box. Used to replace aging switch boxes that can cause poor spark or rough running.
List Price: $117.31
Your Price: $106.80
Normally In Stock

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

Replaces OEM#'s

827509A1, 827509A3, 827509A4, 827509A7, 827509A9, 827509A10, 827509T7

Product Details

Built for harsh marine environments, this ignition module supports consistent spark output, smoother acceleration, and dependable high-RPM ignition operation.

Marine-grade molded connectors and sealed electronic construction help maintain dependable ignition performance in demanding marine applications.

Features

  • Marine-grade sealed electronic construction
  • Supports dependable ignition timing operation
  • High-energy CDI ignition switching design
  • Helps maintain reliable spark delivery under load

Common Symptoms of a Failing Switch Box

  • Hard starting conditions
  • Loss of top-end RPM
  • Random cylinder firing issues
  • Sudden ignition failure after warm-up

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.