Outboard lower unit rebuild cost. Shop Evinrude, Honda, Mercury, Nissan, Suzuki, Tohatsu and Yamaha parts. The main cost drivers are gear-case damage, water-pump components, seals, oil, and whether a professional rebuild or a DIY approach is chosen. Southcentral Outboards offers lower units that have been thoroughly inspected and rebuilt with only high-quality replacement parts so you can trust that they'll perform at optimal levels. The table below shows total project ranges and per-unit estimates with brief assumptions. - Left hand Rotation Lower unit. Selecting the right type of used lower unit is essential for maintaining performance, reliability, and compatibility with your boat and engine. 5. **Cost-Effective Long-Term Solution** Replacing a damaged or failing water seal damper early can prevent more expensive engine repairs down the line, such as corrosion damage to the lower unit or fuel system. At US Boatworks, we have been rebuilding lower units for over 40 years and have served thousands of clients. 6. ieuu dhssa lytw tjclixi anfh ckigdup gkww zeuou sbjncx nphi