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

Need Help Matching a Part?

Tell us your brand, horsepower, and what the engine is doing. We can usually point you to the right ignition part fast.

(918) 457-4099
Available Mon-Fri 8am - 5pm CST
HomeOutboard IgnitionMercury125 HPPrimary Wire Set

Primary Wire Set

Refine your search or browse the listings below.

Primary Wire Set
CDI Electronics 934-8721 Primary Wire Set for 125 HP Mercury Outboards

CDI Electronics 934-8721 Primary Wire Set for 125 HP Mercury Outboards

PART #: 934-8721
(27)

934-8721 is a replacement ignition primary wire set used on 125 HP 4cyl Mercury/Mariner 1994-96 models with Serial # OD283222 thru OG437999. Helps correct ignition-related running problems on matching applications.
Replaces OEM#: 84-43442A3, 84-73446, 84-88721A1
Primary wire set replaces harness from coils to switch box. OEM color coded.

Having Ignition Problems?

Use these guides to narrow down common outboard ignition symptoms before ordering parts.