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.
For 45 HP 4cyl Jet Mercury/Mariner 1981-89 models with Serial # 5531630 thru OB393190, 934-8721 is an ignition primary wire set. 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
Mercury45 HPPrimary Wire SetWeight: 1 lb
4.0 / 5  (26 votes)
For 45 HP 4cyl Jet Mercury/Mariner 1981-89 models with Serial # 5531630 thru OB393190, 934-8721 is an ignition primary wire set. 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

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

OEM-style wire color matching and durable insulated conductors help support dependable ignition-system electrical transfer and plug-and-play style replacement.

Features

  • Supports dependable CDI ignition-system integration
  • Designed for harsh marine operating conditions
  • Designed for switch box and ignition coil connectivity
  • Marine-grade insulated conductors

Common Symptoms of a Failing Primary Wire Set

  • Corroded ignition wiring conductors
  • Damaged or deteriorated ignition wiring
  • Intermittent ignition-system connectivity
  • 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.