The Kubota 1584151380 Helix Adjustment is a genuine OEM component designed for precise fuel injection pump regulation in various Kubota D and V series engines. This essential part ensures optimal engine performance and fuel efficiency. It is compatible with Kubota D905, D1005, D1105, D1305, D1505, V1105, V1205, V1305, and V1505 engine models, including their various sub-variants. Weighing approximately 0.023 kg, this helix adjustment is a critical component for maintaining the correct fuel delivery settings.