Experiencing engine hesitation or reduced power? This authentic Mercury Marine GM #12575182 solves the problem with factory precision – no guessing, no compromises.

Built with Mercury Marine’s precision engineering, this component ensures reliable operation across all engine RPM ranges. Part number 881666 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.

Aftermarket parts might save a few dollars upfront, but genuine Mercury Marine part 881666 saves you money long-term by lasting years instead of months. Factory precision means perfect fit — no modifications, no surprises.

Compatible Mercury Marine Engines

FITS:

• Compatible with Mercury Marine engines
• OEM genuine Mercury part

COMPLETE SERIAL NUMBER COMPATIBILITY:

HP Models

• HP OUTBOARD (Mercruiser)

Not sure where to find your engine’s serial number? View our quick reference guide to locate it on your Mercury Marine engine.

Verification & Support

Double-check compatibility for part 881666 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. Great prices, quick delivery – your parts ship fast.