Supco SZO592 Refrigerator Door Gasket Replaces Sub-Zero 7010592, 3211110, 3212620 REFRIGERATOR DOOR GASKET - This premium quality part is a direct replacement for Sub-Zero 7010592, 3211110 and 3212620. PREMIUM REPLACEMENT - Supco SZO592 refrigerator door gasket is designed to meet or exceed OEM specifications. White gasket measures 33.75 x 18.25 inches. HIGHEST-QUALITY PARTS - Supco parts are built to last and a popular choice among repair technicians and DIYers. All compression gaskets are made from refrigeration grade virgin vinyl.