25114279
Door Header Assembly
Mack

The door header assembly is a fundamental structural component that supports the upper edge of the door opening, contributing to the overall integrity of the vehicle's body. It provides a secure mounting point for the door hinges and weather sealing components, preventing water intrusion and air leaks. Its robust design ensures durability under frequent opening and closing cycles, as well as exposure to environmental elements. Proper installation of this part is essential for maintaining door alignment and ensuring smooth operation. The door header also plays a role in maintaining the aesthetic appearance of the vehicle's side panels. Source One Parts Center supplies this part as a high-quality replacement, designed to restore the structural stability and sealing performance of your truck's body.