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.
114-7778 is an ignition switch box for 175 HP Mercury/Mariner 1976-99 models with Serial # 4301235 thru OG960499. Restores spark control where the original module has failed or become unreliable.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 114-7778
Mercury175 HPSwitch BoxWeight: 2 lb
4.0 / 5  (25 votes)
114-7778 is an ignition switch box for 175 HP Mercury/Mariner 1976-99 models with Serial # 4301235 thru OG960499. Restores spark control where the original module has failed or become unreliable.
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

Built for harsh marine environments, this ignition module supports consistent spark output, smoother acceleration, and dependable high-RPM ignition operation.

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

Features

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

Common Symptoms of a Failing Switch Box

  • Engine misfire under acceleration
  • Hard starting conditions
  • Random cylinder firing issues
  • Loss of top-end RPM

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.