Whirlpool refrigerator main control board, part # W11321510 Rev A. Also replaces W10851351. Fits Whirlpool side-by-side refrigerators WRS321SDH and WRS331SDH families (WRS321SDHB, WRS321SDHV, WRS321SDHW, WRS321SDHZ, WRS331SDHB, WRS331SDHM, WRS331SDHW — all versions). Match the part number on your old board before buying. Used — pulled from a working refrigerator and tested. Covered by our 30-day warranty. Ships in an anti-static bag with plenty of padding. Check our other listings for more appliance parts, computer parts, electronics and more.