This Chrome Plastic A/C Control Knob for Peterbilt is a practical replacement part that fits various Peterbilt models. Sold individually, it comes with a 6-month warranty from United Pacific. This A/C control knob is a perfect OEM replacement part that ensures your truck's air conditioning system is functioning optimally. Its chrome plastic construction adds a touch of style to your truck's interior. Get this A/C control knob today and enjoy a comfortable ride in your Peterbilt truck.