Abstract: A noise dampener for a motor vehicle door lock including a door arrester bar which pivots about an axis extending parallel to a motor vehicle door hinge axis, which is pivotally secured to one of door assembly parts, a door or a door pillar, with a bearing bolt extending through a bearing bore formed in an end region of the door arrester bar and supported in a bearing block, and which extends into a retaining housing secured to another of the door assembly parts and having locking element(s) cooperating with detent marks provided in the door arrester bar for retaining same, with the noise dampener being formed as a hollow part made of a non-metallic, noise dampening material, surrounding, at least partially, the end region of the door arrester bar, and having an interior space closed at least at two sides with the bore having a shape corresponding to a shape of the end region of the door arrester bar and with the hollow part further including a locking nose formed on a wall of the hollow part corresponding to