GRILL-INSERT-CU30

Diagnosing airflow restrictions can come down to one worn component—Grill Insert CU30 (part 02-4303-02) is a common replacement item. The listing name references model(s) CU30. Panels and trim help protect components, guide airflow, and keep the cabinet assembled correctly. Damage can cause rattles and poor fitment. Replace this part when you see airflow restrictions, visible damage, cracks, corrosion, stripped fasteners, or a component that won’t stay seated. If the fault changes with vibration or after moving panels, look for borderline fitment, loose connectors, or wear marks around the installation area. Disconnect power before service. Reinstall so nothing pinches, rubs, or binds once the unit is back together. Replacing a worn part early can prevent secondary damage to nearby components. If the part interacts with water, do a leak check during the first run and again after a short operating period. If the part interacts with water, do a leak check during the first run and again after a short operating period. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. Recheck fasteners after a short run-in period; vibration can loosen hardware if it isn’t seated correctly. If the part interacts with water, do a leak check during the first run and again after a short operating period. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. If the part interacts with water, do a leak check during the first run and again after a short operating period. Recheck fasteners after a short run-in period; vibration can loosen hardware if it isn’t seated correctly. Clean the area around the repair so debris doesn’t interfere with fitment or sealing surfaces.