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114-7509 is a replacement ignition switch box used on 250 HP 3.0 liter Mercury/Mariner 1996-2002 models with Serial # OG303046 thru OT408999. Helps maintain proper ignition timing under heat, vibration, and moisture.
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Part #: 114-7509
Mercury250 HPSwitch BoxWeight: 2 lb
4.0 / 5  (23 votes)
114-7509 is a replacement ignition switch box used on 250 HP 3.0 liter Mercury/Mariner 1996-2002 models with Serial # OG303046 thru OT408999. Helps maintain proper ignition timing under heat, vibration, and moisture.
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.

Heavy-duty electronic components and insulated internal circuitry are designed to withstand heat cycling, humidity, and harsh outboard operating conditions.

Features

  • High-energy CDI ignition switching design
  • Designed for stable spark sequencing
  • Vibration-resistant internal circuitry
  • Marine-grade sealed electronic construction

Common Symptoms of a Failing Switch Box

  • Engine misfire under acceleration
  • Hard starting conditions
  • Intermittent spark or ignition drop-out
  • 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.