Your Kenmore side by side refrigerator has a capacity of 26 cu ft.
Here are two similar replacement Kenmore models: sears.com/kenmore-4650042-25-cu-ft-side-by-side/p-04650042000Psears.com/kenmore-elite-28-cu-ft-side-by-side/p-04651773000P?rrec=true
(The first is 25 cu ft and is available in white, black, stainless, and Active Finish stainless. The second is 28 cu ft and is only available in stainless steel.)
All refrigerators: sears.com/appliances-refrigerators/b-1020022?searsTab=true
Hope this helps!