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114-2986 fits 90 HP 6cyl Mercury/Mariner 1978-79 models with Serial # 4845301 thru 5299505 as an ignition switch box. Helps correct weak spark, misfire, or intermittent no-spark conditions.
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Part #: 114-2986
Mercury90 HPSwitch BoxWeight: 2 lb
4.0 / 5  (35 votes)
114-2986 fits 90 HP 6cyl Mercury/Mariner 1978-79 models with Serial # 4845301 thru 5299505 as an ignition switch box. Helps correct weak spark, misfire, or intermittent no-spark conditions.

Notes:

New design includes new coil. No tach output.

List Price: $447.69
Your Price: $407.40
Normally In Stock

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

Replaces OEM#'s

332-2986A3, 332-2986A4, 332-2986A5, 332-2986A7, 332-2986A8, 332-2986A9, 332-2986A10, 332-2986A17, 332-2986A21, 332-2986A22, 332-2986A23, 332-2986A24, 332-2986A25, 332-2986A27

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

  • Helps maintain reliable spark delivery under load
  • Designed for stable spark sequencing
  • Marine-grade sealed electronic construction
  • Vibration-resistant internal circuitry

Common Symptoms of a Failing Switch Box

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