Whirlpool sells replacement dishwasher parts through WhirlpoolPartsOnline.com. The website is an extension of Whirlpool's main website, and it can be reached directly or through the Support and Service link on Whirlpool's main website.
The Whirlpool Parts website gives customers three ways to search for the part they need. Customers who know the part number can enter the number in the search field in the upper-right portion of the screen. Then, click the arrow button to search. Customers who know what type of part they need, but don't know the part number, can enter the dishwasher's model number, which can be found on the inside rim of the dishwasher, into the search field. Clicking the arrow button to search the model number displays all replacement parts associated with that specific dishwasher model.
Customers can also use the browse feature to find the part they need. However, browsing through dishwasher parts displays parts for all models of Whirlpool dishwashers. Customers who are unsure of what the problem is can utilize the website's Live Chat feature to troubleshoot the problem or find the correct part. Alternatively, customers can call Whirlpool's Service and Support center. The support center is open Monday through Friday from 8 a.m. until 8 p.m. EST, as of February 2015.