Yamaha Lower Unit Assembly - 689-45300-07-4D Mercury-135HP-Verado-4-CYL-2015 Commonly used across mid to

Commonly used across mid to high horsepower Yamaha engines in a wide range of boats

Made from Mercury’s proprietary aluminum alloy

Its robust construction offers excellent resistance to corrosion and wear

This product has been superseded by: MEX00406T

Yamaha Lower Unit Assembly - 689-45300-07-4D Mercury-135HP-Verado-4-CYL-2015 Commonly used across mid toYamaha Lower Unit Assembly Gearcase Component 689 45300 07 4D Overview The lower unit assembly is a critical component of your Yamaha outboard, responsible for transferring engine power to the propeller for efficient propulsion. Built with Yamahas precision engineering, this gearcase assembly ensures smooth shifting, consistent performance, and dependable operation on the water. Its durable construction is designed to withstand harsh marine