Genuine OEM Volkswagen Crankshaft Compensation Washer, part number 021105303B. This precision component is designed to adjust spacing and reduce friction for the crankshaft, critical for smooth engine operation. It is installed within the engine assembly to maintain proper clearances. Crafted from durable metal, this washer measures approximately 90mm in diameter and 1mm in thickness. Using a genuine OEM washer ensures exact dimensions and material properties, preventing premature wear and maintaining crankshaft stability.