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.
934-8721 is an ignition primary wire set for 85 HP 4cyl Mercury/Mariner 1976-77 models with Serial # 4366802 thru 4831998. Helps restore reliable operation on compatible marine ignition systems.
Representative image shown. Brand or product appearance may vary slightly depending on current inventory.

Part #: 934-8721
Mercury85 HPPrimary Wire SetWeight: 1 lb
4.0 / 5  (12 votes)
934-8721 is an ignition primary wire set for 85 HP 4cyl Mercury/Mariner 1976-77 models with Serial # 4366802 thru 4831998. Helps restore reliable operation on compatible marine ignition systems.

Notes:

Primary wire set replaces harness from coils to switch box. OEM color coded.

List Price: $53.34
Your Price: $31.35
Normally In Stock

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

Replaces OEM#'s

84-43442A3, 84-73446, 84-88721A1

Product Details

This primary wire set is designed to connect switch boxes and ignition coils using factory-style color-coded wiring for dependable ignition-system integration.

Factory-matched color-coded wiring and marine-grade insulation help simplify installation and support accurate ignition-system routing during replacement.

Features

  • Marine-grade insulated conductors
  • Supports dependable CDI ignition-system integration
  • Designed for harsh marine operating conditions
  • Factory-style matched color-coded wiring

Common Symptoms of a Failing Primary Wire Set

  • Damaged or deteriorated ignition wiring
  • Weak or unstable spark-system performance
  • Ignition misfire caused by unstable wiring connections
  • Corroded ignition wiring conductors

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.