Yamaha - Gear - Lower Unit Drive Component - 68W-45570-10-00

Overview

When you’re inside a Yamaha lower unit, gears like this are what keep everything moving the way it should. The 68W-45570-10-00 gear handles load and power transfer under real operating conditions, not just on paper. If one of these goes bad, you’ll hear it and feel it right away. Replacing it with a genuine Yamaha part gets everything back to smooth, solid operation.

Key Features

• Genuine Yamaha OEM Gear – Built to Yamaha specifications for precise fit and performance.
• Critical Drive Component – Transfers power through the lower unit for proper operation.
• Durable Load Handling – Designed to withstand torque and stress in marine environments.
• Precision Machined Fit – Ensures proper alignment and smooth gear engagement.
• Rebuild Ready Part – Ideal for lower unit service and internal gear repairs.

Engine & Boat Compatibility

Compatible with select Yamaha outboards using this gear configuration. Always confirm fitment based on your exact engine model.

FAQ

Q: What are signs this gear needs replacing?
A: Grinding noise, slipping, or visible wear during inspection are common signs.

Q: Can I keep running with a worn gear?
A: It’s not recommended—continued use can lead to more internal damage.

Q: Is this part difficult to install?
A: It requires lower unit disassembly, so it’s best handled by someone experienced.

Q: Should I replace other components at the same time?
A: It’s a good idea to inspect bearings, seals, and related gears during service.

Q: Is this suitable for saltwater use?
A: Yes, it’s built for marine environments, but proper maintenance is important.