Your microwave's door assembly may need replacement if there is visible damage, difficulty closing, or compromised shielding indicated by poor performance. This genuine Whirlpool microwave door assembly, part number W11173823, includes the handle, panels, and shielding components in a stainless finish. For optimal safety, a service technician should install the door due to its shielding components, which require precise testing for leaks. Before purchasing, verify your device's model number for compatibility.