There's only a few parts that typically wear out on a Bialetti Moka Express; the rubber gasket that fits between the top and bottom where it screws together, and the filter plate, which might be accidentally dented or lost. Get this set as a backup and never be without espresso at home!
 
• Gasket and filter plate replacement set for Bialetti 4-cup Moka Express
• 3 rubber rings
• 1 stainless steel filter plate replacement
• Genuine Bialetti parts