Why Choose the Sierra 18-2671 OMC Seal Kit for Your Outboard Motor?
Keeping your OMC outboard engine running smoothly starts with reliable seals that prevent leaks and protect vital components. The Sierra 18-2671, a direct replacement for OMC 985612, delivers OEM-level performance at an aftermarket value. Crafted from high-grade materials, this seal kit tackles common issues like oil seepage and water intrusion, ensuring your engine’s longevity on the water.
Boat owners and mechanics trust Sierra parts for their precision fit and durability. Whether you’re prepping for a season of fishing or routine maintenance, this kit restores factory sealing integrity without the hassle of sourcing originals.
Perfect Fit for Popular OMC Models
Designed specifically for OMC engines, the Sierra 18-2671 seal kit matches the 985612 specifications seamlessly. It suits a range of Johnson and Evinrude outboards, including V4, V6, and inline models from various horsepower classes. Always cross-check your engine’s serial number for exact compatibility, but this kit shines in mid-range powerheads where crankshaft and gearcase seals wear fastest.
Replaces OMC 985612 with identical dimensions and materials
Ideal for engines prone to seal degradation from saltwater exposure
Supports both freshwater and marine environments
Key Features and Benefits
This OMC seal kit isn’t just a replacement—it’s an upgrade in reliability. Each seal undergoes rigorous testing for heat resistance, flexibility, and pressure tolerance, mimicking the demands of high-RPM operation.
Durable Construction
Viton and nitrile compounds resist fuels, oils, and corrosion for extended service life.
