Fastener for a vehicle window regulator

Fastening element (1) for a vehicle window lifter, wherein the fastening element (1) has a first fastening region (2) which is adapted and determined with the guide rail (11) to be connected to a vehicle window lifter, and wherein the fastening element (1) a second fastening region (3), which is designed and intended to be connected to a vehicle body or a vehicle door, wherein the second attachment portion (3) comprises integrated sealing means (7, 8) in the fastening element (1), wherein a base ( 4) is provided which has the first and the second attachment portion (2, 3), characterized in that the base body (4) is elongated, wherein (one end of the body 4) has the first fastening region (2) and wherein the other end of the base body (4) having the second fastening region (3).