New and Remanufactured Johnson & Evinrude Outboard Gearcases and Parts

Discover a comprehensive selection of new and remanufactured Mercury & Mariner outboard gearcases and parts at OBParts. Whether you need a complete gearcase assembly, a complete gearcase rebuild kit, or individual components like impellers, bearings, seals, clutch dogs, gear sets, skegs, and prop shafts, we’ve got you covered. All products meet OEM engine specifications and are sourced for reliability and performance. Explore detailed parts diagrams for 3-, 4-, and 6-cylinder models to help you pinpoint the correct part replacement. With fast shipping, expert support, and a wide range of OEM and aftermarket options, OBParts is your trusted source for outboard parts and maintenance.