PROPELLER
Yamaha 15HP Lower Unit Assembly 6B4
Upgrade or replace your damaged lower unit with this high-quality 6B4 Lower Unit Assembly, designed for Yamaha 15HP 2-stroke outboard engines. Built for dependable performance, it delivers smooth power transmission, reliable shifting, and efficient water pump operation to keep your engine running at its best. The 6B4 lower unit is commonly used on Yamaha 9.9HP and 15HP Enduro models, with different versions available for short and long shaft configurations.
Yamaha 15HP Lower Unit Assembly 6B4
Reliable Complete Gearcase for Yamaha 15HP 2-Stroke Outboards
Upgrade or replace your damaged lower unit with this high-quality 6B4 Lower Unit Assembly, designed for Yamaha 15HP 2-stroke outboard engines. Built for dependable performance, it delivers smooth power transmission, reliable shifting, and efficient water pump operation to keep your engine running at its best. The 6B4 lower unit is commonly used on Yamaha 9.9HP and 15HP Enduro models, with different versions available for short and long shaft configurations.
Key Features
- Fits Yamaha 15HP 2-stroke outboard engines (6B4 series)
- Complete lower unit assembly for quick replacement
- Durable aluminum housing with corrosion-resistant finish
- Precision-machined gears for smooth and quiet operation
- Stable forward, neutral, and reverse shifting
- Ideal for replacing worn, damaged, or leaking gearcases
Applications
- Yamaha 15HP 2-Stroke Outboard
- Compatible with selected Yamaha 9.9HP / 15HP Enduro models (please verify your OEM part number before ordering).
Package Includes
- 1 × Lower Unit Assembly (Complete)
Why Choose Our Lower Unit?
- Manufactured to meet OEM-quality standards
- Tested for reliable performance and durability
- Easy installation with proper fitment
- Suitable for marine repair shops, dealers, and boat owners
- Worldwide shipping available
Note: Please confirm your engine model, shaft length (Short or Long), and OEM part number before purchasing to ensure correct compatibility.
