Take control of your Mercury maintenance with this genuine CABLE KIT Ignition -Plug & Coil Wires (Blue). Straightforward replacement that delivers factory results without shop labor costs.

Designed and manufactured to Mercury Marine OEM standards, this service kit ensures reliable operation across all engine RPM ranges. Part number 863656A04 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Smart boat owners know: buying cheap parts twice costs more than buying genuine Mercury once. Part 863656A04 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 4HP MERCRUISER

• Fits MERCRUISER 4HP engines
• Compatible HP: 4HP
• Covers 5 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

4HP Models

• 4HP OUTBOARD (Mercruiser): 0M615000-0W300012, 0W300013-0W309999, 0W310000-0W649999, 0W650000-1A063239

Need help finding your serial number? Check our serial number location guide for step-by-step instructions on locating it on your Mercury engine.

Verification & Support

Questions about part 863656A04? Use our parts finder tool to verify fitment yourself. Prefer to talk to an expert? Use the contact buttons at the bottom of this page to reach our team by text, call, or email

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