The McCormick 6684692A2 spring is a genuine OEM replacement part designed for various McCormick X-series tractors, including X4, X5, X6, X7, and X8 models. This durable spring ensures proper function within the specified agricultural machinery. It is also compatible with a range of Landini and Valpadana tractor models. With a length of 85 mm, an outer diameter of 16 mm, and a wire diameter of 2.5 mm, this spring weighs 0.02 kg, ensuring precise fit and reliable performance.