Subject: Washer fluid reservoir OE Number: 1638690820 A1638690820 163 869 08 20 A 163 869 08 20 NOTE! The above numbers are the original part numbers for which the item in this offer is a replacement. Before purchasing, it is essential to compare them with the number of the original part being replaced. If they differ by even one character, this part will not fit, or will not work, or will not work correctly. In such a case, do not buy it. Car: Mercedes-Benz M-CLASS (W163) FL (facelift) Production year: 2002-2005 Manufacturer: replacement Technical condition: the item is brand NEW, unused, undamaged, and intact