Yamaha F350 V8 30″ Lower Unit (Left-Hand Rotation)
$4,800.00
Restore your V8 power with a factory-backed, complete installation kit.
The Yamaha F350 V8 Lower Unit is a heavy-duty gearcase designed specifically to handle the massive torque of Yamaha’s 5.3L V8 outboard series. This unit features Left-Hand (LH) Counter Rotation, making it the essential replacement for the port-side engine in a multi-engine offshore setup. Engineered for longevity and precision, this 30-inch ultra-long shaft assembly is a direct fit for the first generation of Yamaha V8 powerhouses.
| Attribute | Value |
| Brand | Yamaha |
| Compatibility | All F350 V8 Models (2007–2019) |
| Rotation | Left-Hand (LH) Counter Rotation |
| Shaft Length | 30″ (Ultra Long) |
| Condition | New / Certified Replacement |
| Warranty | 1-Year Factory Warranty |
| Included Hardware | Spacer Kit & All Installation Hardware |
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Description
Premium Durability: Yamaha V8 Counter-Rotation Gearcase
This gearcase is built to the rigorous standards required for the Yamaha F350, the engine that pioneered high-horsepower V8 outboarding. Designed for offshore vessels that demand high-thrust and reliable reverse-rotation performance, this unit ensures your dual, triple, or quad-engine configuration maintains perfect synchronization and tracking.
Turn-Key Installation Package: To ensure a seamless replacement process, this lower unit comes as a complete package. It includes the necessary spacer kit and all mounting hardware required for a professional-grade installation. Whether you are performing a scheduled mid-life overhaul or an emergency repair, this kit provides everything needed to get back on the water.
Why Choose This Yamaha F350 Lower Unit?
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Wide Model Coverage: Engineered to fit every F350 V8 model produced between 2007 and 2019.
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Factory-Backed Peace of Mind: Includes a 1-year factory warranty, protecting your investment against manufacturing defects.
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Optimal Shaft Length: Specifically configured for 30-inch transoms, common on large offshore center consoles and walkarounds.
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Precision Engineering: Features Yamaha’s advanced gear tooth profiles designed to minimize friction and maximize power transfer.
Technical Specifications:
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Gear Ratio: Optimized for F350 V8 torque specifications.
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Rotation Type: Counter-rotation (Port Side).
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Finish: Yamaha Marine Slate Gray.
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Maintenance: Features external pressure-test points and high-capacity lubricant reservoirs.










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