Don’t miss another weekend. This genuine Mercury Marine VOLTAGE REGULATOR ships fast and installs easily – get back on the water where you belong.

Manufactured to strict Mercury Marine quality standards, this component ensures reliable operation across all engine RPM ranges. Part number 88825A7 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 88825A7 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 300HP MARINER, MERCURY, RACE OUTBOARD

• Fits MARINER, MERCURY, RACE OUTBOARD 300HP engines
• Compatible HP: 300HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

300HP Models

• 300HP OUTBOARD (Mercury)

HP Models

• HP OUTBOARD (Mariner): 0B242885-0C100860, 0C239553-0D081999, 0A904646-0C100860, 0C239553-0D081999
• HP OUTBOARD (Mercury): 0A904646-0C100860
• HP OUTBOARD (Race Outboard): 0A953707-0A953736, 82H1008-85E1092, 0B290314-0C276429, 0B290010-0C276917, 0D030200-0D935270, 0D030200-0D935270, 0D935271-0G366999, 0G367000-0G610238, 0G367000-0G610238, 0G610239-0G856999, 0C276430-0D935270

Don’t know where your serial number is? Our quick reference guide shows exactly where to find it on Mercury Marine engines.

Verification & Support

Not sure if part 88825A7 fits your engine? Try our parts finder tool — it’s quick and easy. Need expert help? Contact us using the buttons at the bottom of this page – text, call, or email, whatever works best for you

Serving boaters for over 40 years. Great prices, quick delivery – your parts ship fast.