Reproductions Of Original 1957 Chevy heater box seals are a critical replacement when working on any tri-five heater box. These full size Chevrolet heater box seals create an air-tight seam among critical heater box components. Using low quality or used heater box seals will lead air leaks and degrade the performance of your 1957 Chevrolet heating & air conditioning systems.
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.