FAST SHIPPING
On Orders Over $99
EXPERT SUPPORT
⌕ TRACK ORDER 🛒 CART (0)

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.
Fits 65 HP 3cyl Mercury/Mariner 1976-79 models with Serial # 4382057 thru 4571651: 114-7778 is an ignition switch box. Supports reliable spark delivery during starting, idle, and acceleration.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 114-7778
Mercury65 HPSwitch BoxWeight: 2 lb
4.0 / 5  (23 votes)
Fits 65 HP 3cyl Mercury/Mariner 1976-79 models with Serial # 4382057 thru 4571651: 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

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

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

Features

  • Designed for stable spark sequencing
  • Vibration-resistant internal circuitry
  • Marine-grade sealed electronic construction
  • Supports dependable ignition timing operation

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.