Gearcase Lower Pinion Bearing | Sierra Marine 18-1170 Points Heavy gauge steel canister construction

Heavy gauge steel canister construction and epoxy coating for enhanced corrosion protection

Sierra part number 18-6245 ensures proper fitment and longevity for your marine propulsion system's sacrificial protection components

Thermoplastic antishock material is designed for the harsh marine environment

Fits all Mercury and Mariner 40-60 hp Four Stroke outboards (model year 1998 and newer)

Sierra 5 Gallon Full Synthetic Marine Gear Lube 18-9680-5

Gearcase Lower Pinion Bearing | Sierra Marine 18-1170 Points Heavy gauge steel canister constructionGearcase Lower Pinion Bearing Sierra 18 1170 Sierra 18 1170 Pinion Bearing Gearcase Lower Pinion Bearing Replaces Mercury 31 812767A1 Replaces OMC 983892 Additional Information SIERRA has a 58 year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. In 2022, we expanded the scope of the SIERRA brand to include a wide range of products for the aftermarket boating business, as well as products for land