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Fits 80 HP 4cyl Jet Mercury/Mariner 1978-83 models with Serial # 4831999 thru 6432900 and 1994-96 Jet models with Serial # OD283222 thru OG437999: 934-8721 is an ignition primary wire set. Helps correct ignition-related running problems on matching applic
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Part #: 934-8721
Mercury80 HPPrimary Wire SetWeight: 1 lb
4.0 / 5  (20 votes)
Fits 80 HP 4cyl Jet Mercury/Mariner 1978-83 models with Serial # 4831999 thru 6432900 and 1994-96 Jet models with Serial # OD283222 thru OG437999: 934-8721 is an ignition primary wire set. Helps correct ignition-related running problems on matching applic

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

Built for harsh outboard operating environments, this ignition wire set supports dependable spark-system connectivity and simplified wiring identification during installation.

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

Features

  • Supports dependable CDI ignition-system integration
  • Helps simplify ignition wiring identification
  • Designed for harsh marine operating conditions
  • Marine-grade insulated conductors

Common Symptoms of a Failing Primary Wire Set

  • Electrical-system voltage drop issues
  • Intermittent ignition-system connectivity
  • Corroded ignition wiring conductors
  • Weak or unstable spark-system performance

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.