We are very sorry to hear you've had this experience. We can understand how frustrating it is when a new appliance or part doesn't meet your expectations. We will be certain to share this feedback with our engineering and design teams. In the meantime, if your plastic cover is still cracked, please reach out to our HD.com customer service department at 1-800-430-3376 any day between 6 a.m. and 2 a.m. EST, or call your local store.