The True 870841 bottom hinge kit helps maintain proper alignment and function of left-hand refrigerator doors. This kit is a structural hardware component installed at the base of the unit, supporting the door’s weight while allowing it to open and close with controlled motion. It works by anchoring the door to the cabinet and guiding its pivot, helping ensure a secure seal when closed. By supporting proper door alignment, it helps reduce air leaks, maintain consistent internal temperatures, and minimize strain on other hinge components, making it a practical replacement part for reliable day-to-day refrigeration operation.