What tub suspension damper assembly part should I order if my washer is vibrating excessively?
You should order part number W11228718, which is the Damper Assembly for Tub Suspension. This set includes 4 dampers along with suspension bushings and suspension balls, and is listed under Basket and Tub Parts. (Page 7)
From the official Whirlpool Wtw5000dw2 manual, page 7
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