Don’t gamble with your Mercury’s reliability. This genuine SOLENOID VALVE ensures long-term performance and protects your investment in quality marine power.

Designed and manufactured to Mercury Marine OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 877805T 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.

Cut-rate alternatives might look similar, but they’re not engineered to Mercury’s exacting standards. Part 877805T delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 30-40HP MARINER, MERCURY (EFI)

• Fits MARINER, MERCURY 30-40HP engines
• Compatible HP: 30HP, 40HP
• Model types: EFI
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

30HP Models

• 30HP EFI (Mariner): 0P153500-0P400999, 0T409000-1B226999
• 30HP EFI (Mercury): 0P153500-0P400999, 0T409000-1B226999

40HP Models

• 40HP EFI (Mariner): 0P153500-0P400999, 0P401000-0P515896, 0T409000-1B226999, 1B227000-1B344398, 1C000001-1C049738, 0P153500-0P400999, 0P401000-0P515896
• 40HP EFI (Mercury): 0P153500-0P400999, 0P401000-0P515896, 0T409000-1B226999, 1B227000-1B344398, 1C000001-1C049738, 0P153500-0P400999, 0P401000-0P515896

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

Double-check compatibility for part 877805T using our parts finder tool. Still need assistance? No worries – contact us via the buttons at the bottom of this page (text, call, or email)

Serving boaters for over 40 years. Competitive pricing, same-day shipping on most orders.