Yamaha Outboard Lower Unit | SE404 | 75-100HP 2 & 4-Stroke

Restore your engine’s reliability with this Premium Aftermarket Replacement lower unit. Engineered for precision and a perfect OEM fit, this brand-new assembly (not remanufactured) provides a cost-effective solution to get you back on the water. Each unit is factory pressure-tested and comes finished in a durable black coating, ready for immediate installation or a custom paint match.

Versatile Performance: Fully compatible with both 2-Stroke and 4-Stroke Yamaha configurations.

Heavy-Duty Construction: Built to handle high-torque demands for reliable, long-term operation.

Ready to Install: Includes pre-assembled internal gears and water pump components.