This rear defrost switch for Volkswagen 1998-2005 Passat is a must-have for any car owner. The switch is durable and has a push button type for easy use. The OE/OEM part number for this switch is 3B0-959-621-D-01C, 3B0959621D01C, 3B0959621D, and 3B0 959 621 D.