This door lock actuator has undergone extensive quality and safety testing to ensure reliable performance. It is engineered to provide a direct replacement for the stock actuator on specific vehicle years, makes and models. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. - [Peterbilt 330: 2019] - [Peterbilt 337: 2018, 2019, 2020] - [Peterbilt 348: 2018, 2019, 2020] - [Peterbilt 365: 2018, 2019, 2020] - [Peterbilt 367: 2018, 2019, 2020] - [Peterbilt 384: 2016] - [Peterbilt 386: 2016] - [Peterbilt 389: 2017, 2018, 2019, 2020]