Vehicle door lock, comprising: - an intermediate plate disposed between a first closure plate and a second closure plate in such a way to form a box; said intermediate plate having a first side directed towards the first closure plate, and a second side directed towards the second closure plate, - a catch disposed on the first side of the intermediate plate and hinged to the intermediate plate by means of a first pin disposed in a first hole of the intermediate plate; said catch having a fastening slot to receive a striker and close the lock; - a pawl disposed on the first side of the intermediate plate and hinged to the intermediate plate by means of a second pin disposed in a second hole of the intermediate plate; said pawl having a tooth that is engaged in a housing of the catch to lock the catch in a closing position, - a first spring that pushes the catch to an opening position, wherein the striker is released, - a second spring that pushes the pawl to a locking position, wherein it locks the catch in the closing position, - activation means connected to the pawl to move the pawl from the locking position to a unlocking position, wherein the catch is released, and - inserts made of anti-noise material, which is different from the material of the intermediate plate, disposed in said intermediate plate around said first hole and second hole of the intermediate plate; said inserts being provided with an end that protrudes from the first side of the intermediate plate in order to come in contact with said catch and with said pawl, in such a way that, during their movement, the catch and the pawl slide on the ends of the inserts, minimizing the noise, characterized in that the inserts are disposed in through holes of the intermediate plate and the inserts have a body that penetrates the through holes of the intermediate plate and a head that is enlarged with respect to the body and is locked in the second side of the intermediate plate. - an intermediate plate disposed between a first closure plate and a second closure plate in such a way to form a box; said intermediate plate having a first side directed towards the first closure plate, and a second side directed towards the second closure plate, - a catch disposed on the first side of the intermediate plate and hinged to the intermediate plate by means of a first pin disposed in a first hole of the intermediate plate; said catch having a fastening slot to receive a striker and close the lock; - a pawl disposed on the first side of the intermediate plate and hinged to the intermediate plate by means of a second pin disposed in a second hole of the intermediate plate; said pawl having a tooth that is engaged in a housing of the catch to lock the catch in a closing position, - a first spring that pushes the catch to an opening position, wherein the striker is released, - a second spring that pushes the pawl to a locking position, wherein it locks the catch in the closing position, - activation means connected to the pawl to move the pawl from the locking position to a unlocking position, wherein the catch is released, and - inserts made of anti-noise material, which is different from the material of the intermediate plate, disposed in said intermediate plate around said first hole and second hole of the intermediate plate; said inserts being provided with an end that protrudes from the first side of the intermediate plate in order to come in contact with said catch and with said pawl, in such a way that, during their movement, the catch and the pawl slide on the ends of the inserts, minimizing the noise,