Yamaha Lower Unit Assembly F15/F20/F250 6AH-45300-10-8D is a premium replacement part engineered for Yamaha F15, F20, and F250 outboard motors. Constructed from high-quality materials, this lower unit assembly ensures superior durability and performance in various marine conditions. Its precise design guarantees efficient power transfer and smooth operation, enhancing your overall boating experience.. The 6AH-45300-10-8D lower unit assembly is built with advanced corrosion-resistant technology, providing robust protection against the harsh marine environment. This genuine Yamaha part offers an exact fit, ensuring a straightforward installation process and consistent performance. Ideal for fishing, cruising, or water sports, this lower unit assembly will keep your Yamaha outboard motor running reliably, giving you peace of mind on the water.. Applicable engine models for 6AH-45300-10-8D: F15LEHA - 2016-2018 F15LMHA - 2016-2018 F15LPHA - 2016-2018 F20LEA - 2016-2018 F20LEHA - 2016-2018 F