30QX227M
Door Arm Check Retainer
Mack

The door arm check retainer is a specialized component that secures the door arm check mechanism, controlling the movement and positioning of vehicle doors. It ensures smooth operation and prevents excessive door swing, which can cause damage or misalignment. Proper retention of this part is vital for maintaining door stability and safety during operation. Its durable design withstands repeated use and environmental factors, reducing the need for frequent replacements. Easy to install, this retainer helps maintain the integrity of your vehicle’s door system, contributing to overall safety and convenience. Source One Parts Center offers this reliable retainer to support your vehicle’s door functionality and safety standards.