Yamaha - Lower unit assembly - F100 - 6D9-45300-15-8D - See Description For Applicable Model Mercury-300HP-4-6L-V8-Racing-2021 6H3-41636-10-00 - ROD

6H3-41636-10-00 - ROD

Catalyst alerts are tied directly to emissions and engine-protection diagnostics

Compatible with Mercury Gen II SAE mechanical installations requiring a 20-foot Platinum Plus throttle and shift cable

• Consistent Signal Transmission – Ensures accurate communication to the oil warning light system

6F5-81830-11-00 - FRONT COVER ASS'Y

Yamaha - Lower unit assembly - F100 - 6D9-45300-15-8D - See Description For Applicable Model Mercury-300HP-4-6L-V8-Racing-2021 6H3-41636-10-00 - RODYamaha Lower Unit Assembly Gearcase Component F100 6D9 45300 15 8D Overview The Yamaha Lower Unit Assembly 6D9 45300 15 8D is what keeps your engines power translating into smooth, reliable movement on the water. When a lower unit starts to wear or fail, youll feel it immediatelygrinding noise, vibration, or reduced performance. This assembly handles the full transfer of power from the engine to the propeller, so everything depends on it being solid