Genuine OEM Volkswagen Bolt With Washer, part number WHT010423. This bolt with washer is used to secure components within the oil cooler assembly. It is located in the engine oil system. The bolt has a length of 0.333m, a width of 0.333m, and a height of 0.333m. Genuine OEM bolts provide the correct thread pitch and material strength for secure and leak-free oil cooler connections.