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114-5772 is an ignition switch box for 85 HP 4cyl Mercury/Mariner 1976-77 models with Serial # 4366802 thru 4831998. Manages spark timing and ignition output for dependable engine operation.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 114-5772
Mercury85 HPSwitch BoxWeight: 2 lb
4.0 / 5  (23 votes)
114-5772 is an ignition switch box for 85 HP 4cyl Mercury/Mariner 1976-77 models with Serial # 4366802 thru 4831998. Manages spark timing and ignition output for dependable engine operation.
List Price: $355.89
Your Price: $126.00
Normally In Stock

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

Replaces OEM#'s

332-5772A1, 332-5772A2, 332-5772A3, 332-5772A4, 332-5772A5

Product Details

Designed for reliable capacitor discharge ignition control, this marine switch box helps coordinate spark delivery and stable combustion under varying load conditions.

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

Features

  • Marine-grade sealed electronic construction
  • Supports dependable ignition timing operation
  • Helps maintain reliable spark delivery under load
  • Designed for stable spark sequencing

Common Symptoms of a Failing Switch Box

  • Hard starting conditions
  • Engine misfire under acceleration
  • Intermittent spark or ignition drop-out
  • Random cylinder firing issues

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.