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Power. Reliability. Performance.

Find primary wire sets for Mercury 50 HP outboard engines. These primary wire sets are designed to maintain proper spark timing, ignition performance, and reliable engine operation.

Related tests:
Stator Trigger Power Pack
Switch Box Coil

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Primary Wire Set

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Primary Wire Set
CDI Electronics 934-8721 Primary Wire Set for 50 HP Mercury Outboards

CDI Electronics 934-8721 Primary Wire Set for 50 HP Mercury Outboards

PART #: 934-8721
(31)

934-8721 is a replacement ignition primary wire set used on 50 HP 4cyl Jet Mercury/Mariner 1976-85 models with Serial # 4357640 thru OA912477. Used to replace worn or failed ignition components in outboard service.
Replaces OEM#: 84-43442A3, 84-73446, 84-88721A1
Primary wire set replaces harness from coils to switch box. OEM color coded.

List Price: $53.34
Your Price: $31.35
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