Maytag dishwashers, like any appliance, are great when they're working and aggravating when they aren't. Calling a professional repair person can get expensive, and replacing the entire appliance can cost hundreds of dollars. If you have the know-how to fix your Maytag dishwasher yourself, it's easy to find the right parts -- and even easier to buy them. Locate the model number of your Maytag dishwasher. This is usually on the inside frame of the dishwasher door. Start by calling Maytag customer service and inquiring about recalls on parts and warranty status. In some cases, Maytag may send you the part for free or arrange to have the appliance repaired for free. Visit a reputable Maytag dishwasher parts dealer online. Several are listed in the References section. Provide the model number of your Maytag dishwasher. Using the onscreen diagrams, identify the part needing replacement. Buy your item.