What is GM rear end part number 3856525?

The GM rear end part number 3856525 refers to a specific component used in certain General Motors vehicles, particularly in the context of the rear axle assembly. This part number is typically associated with the differential housing found in various GM models, primarily those produced during the late 1960s and early 1970s. It is essential for vehicle restoration and repair, as it helps identify the correct part for compatibility with specific models. Always verify with a reliable parts catalog or supplier for precise applications.