The General Electric WR17X12591 Refrigerator Mullion Articulation Assembly restores proper door alignment and supports an effective seal between compatible refrigerator doors. This replacement assembly is installed on the mullion section of the fresh food door, where it operates by automatically folding and extending as the door opens and closes. Its articulated mechanism positions th... https://www.hnkparts.com/wr17x12591-general-electric-mullion-articulation-asm