Your Mercury deserves better than cheap aftermarket parts that fail after one season. This genuine LIGHTING COIL ASS’Y delivers the reliability your engine was built for.

Factory-built to exact Mercury Marine specifications, this ignition component ensures reliable operation across all engine RPM ranges. Part number 94804M 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.

Factory parts exist for a reason — they work. Part 94804M undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 20-25HP MARINER

• Fits MARINER 20-25HP engines
• Compatible HP: 20HP, 25HP
• Covers 16 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

20HP Models

• 20HP OUTBOARD (Mariner)

25HP Models

• 25HP OUTBOARD (Mariner)

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 94804M? 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

Four decades of marine parts experience. Competitive pricing, same-day shipping on most orders.