Yamaha Lower Unit Assembly - 6E5-45300-18-8D Mercury 175-300 Four Stroke 3.4L V6 & 4.6L V8 Torque Master Outboard Parts & Service Kits Base Dimensions : 2" x

Base Dimensions : 2" x 1-1/2"

Always refer to your propeller model or contact PartsVu to confirm proper fitment before purchasing

New installations or service replacements calling for Yamaha part 6X6-8258A-C1-00

Non-contact sensing - no moving parts to wear

Yamaha Lower Unit Assembly - 6E5-45300-18-8D Mercury 175-300 Four Stroke 3.4L V6 & 4.6L V8 Torque Master Outboard Parts & Service Kits Base Dimensions : 2" xYamaha Lower Unit Assembly Complete Gearcase & Drive System 6E5 45300 18 8D Overview When a lower unit starts making noise or loses efficiency, its usually not worth piecing it togetheryou swap the whole assembly and move on. Ive installed plenty of these, and a complete unit like this saves time and guesswork. Everything is already set up to work together, so you get smooth power transfer right away. Bolt it on, fill it, and youre back on the water