Yamaha - Gear Pump Assembly Oil Delivery Component 6FP-43830-00-00. Overview. The Yamaha Gear Pump Assembly 6FP-43830-00-00 is one of those parts that keeps your engine protected without making any noise about it. When it starts to wear out, you'll usually see it in low oil pressure or inconsistent lubrication, which can lead to bigger problems fast. It's responsible for moving oil through the engine, so everything inside stays properly coated and cooled. If you're dealing with oil system issues, this is a part you don't want to overlook.. Key Features. • Consistent Oil Flow - Circulates oil through the engine to maintain proper lubrication and cooling.. • OEM Fit Precision - Designed to match Yamaha specifications for correct installation and performance.. • Stable Pressure Output - Helps maintain steady oil pressure across varying engine speeds.. • Durable Internal Design - Built to handle continuous operation and engine load over time.. Compatibility. Compatible with select Yamaha o