The Renault 7700004556 is a genuine OEM crankshaft retaining ring designed for a wide range of Renault Agriculture and Claas tractors. This essential component ensures proper crankshaft function and engine integrity. With an inner diameter of 40mm, an outer diameter of 48mm, and a thickness of 1.5mm, this retaining ring meets precise specifications for reliable performance. It is cross-referenced as Claas 7700004556 and 0011406400, ensuring compatibility and original equipment quality.