The Tecumseh 786040 Drive Pin is a genuine OEM component designed for a wide range of Tecumseh small engines. This essential pin plays a crucial role in the engine's drive system, ensuring proper power transmission and operational reliability. With a length of 31.75 mm and a diameter of 6.35 mm, this durable drive pin is engineered to meet original factory specifications, providing a precise fit and long-lasting performance for models including H30, H40, H50, H60, H70, H80, HS40, HS50, HS60, HS70, HS80, HS90, and many others.