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Fits 225 HP Mercury/Mariner 1981-2000 models with Serial # 5638028 thru OG569900: 114-7778 is an ignition switch box. Supports reliable spark delivery during starting, idle, and acceleration.
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Part #: 114-7778
Mercury225 HPSwitch BoxWeight: 2 lb
4.0 / 5  (14 votes)
Fits 225 HP Mercury/Mariner 1981-2000 models with Serial # 5638028 thru OG569900: 114-7778 is an ignition switch box. Supports reliable spark delivery during starting, idle, and acceleration.
List Price: $274.99
Your Price: $120.10
Normally In Stock

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

Replaces OEM#'s

332-5524, 332-7778, 332-7778A1, 332-7778A3, 332-7778A5, 332-7778A6, 332-7778A9, 332-7778A12

Product Details

This switch box is engineered to manage CDI ignition timing and spark sequencing for dependable ignition performance throughout the engine's operating range.

Sealed marine-grade circuitry and vibration-resistant epoxy encapsulation help protect the switch box from moisture intrusion, corrosion, and damaging engine vibration.

Features

  • Helps maintain reliable spark delivery under load
  • Marine-grade sealed electronic construction
  • Designed for stable spark sequencing
  • High-energy CDI ignition switching design

Common Symptoms of a Failing Switch Box

  • Hard starting conditions
  • Random cylinder firing issues
  • Sudden ignition failure after warm-up
  • Intermittent spark or ignition drop-out

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.