Parts for Frigidaire MRT21TNBW3: 04 - Shelves / Controls Parts

Tapping plate that mounts the mullion vertical trim on your refrigerator. Replace if cracked, stripped, or missing to restore secure trim attachment.

Plastic spacer that maintains proper distance between refrigerator shelves. Replace if cracked, broken, or missing to restore correct shelf positioning.

Interior light won't turn on or stays on when door closes? This door-activated switch controls your refrigerator light circuit. DIY repair in 15 minutes.

Illuminates your oven interior so you can monitor cooking without opening the door. Replace when burned out or dimming. Verify fit with your model number.

This nut anchor secures the appliance control box to the cabinet, keeping the control module mounted and stable for reliable operation. Replacement restores proper fastening when the original anchor is missing or damaged. What it does:

• Provides a captive fastening point for the control box or control board housing
• Holds the control assembly steady to prevent movement, vibration, or rattling
• Helps maintain proper alignment of electrical connections and wiring harnesses
• Used when the original anchor is stripped, cracked, or no longer grips the panel

• One nut anchor for control box mounting

• Disconnect power to the appliance before servicing to avoid shock or injury
• Access the control box per your model's service instructions; remove panels carefully
• Press or fasten the nut anchor into the mounting hole until it seats; secure the control box with the appropriate screw
• If supply threads are damaged, replace any mating fasteners and fit snugly, but not over-tightened.

This screw is a direct-replacement fastener used to secure appliance panels and trim so components stay in place and operate quietly. It restores proper fit where mounting screws are missing or worn. What it does:

• Secures panels, trim, brackets or small components to the appliance frame
• Helps prevent rattling, misalignment, or loose parts during operation
• Matches OEM thread and head style for correct fit and reliable fastening
• Useful when replacing stripped or missing mounting hardware

• Disconnect power before servicing electrical appliances
• Use the correct screwdriver or bit to avoid stripping the head
• Keep small parts away from children and pets during installation
• Replace with the exact OEM screw to ensure proper fit and safety

Routes defrost water from the freezer to the drain pan. Replace if cracked, clogged, or disconnected to prevent leaks and water pooling inside your unit.

Replacement mounting screw for securing the defrost timer assembly to the refrigerator control housing. Prevents timer from shifting or vibrating.

Refrigerator not cooling but freezer icing up? The defrost timer controls the defrost cycle. Most DIYers replace it in 5-15 minutes with our video guide.

Frame only, glass not included.

The Protector Cap is an OEM part for Frigidaire refrigerators. It is designed to shield and protect specific components within the refrigerator, such as the temperature sensor or wiring connections. This cap helps to ensure that these critical parts remain intact and functional, contributing to the overall efficiency and performance of the appliance.

 A compromised protector cap can expose sensitive components to potential damage, leading to malfunctions and decreased refrigerator efficiency.

Symptoms of a bad protector cap include:

• Visible cracks or damage to the cap
• Loose or missing cap
• Exposed or damaged wiring or sensors

This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.

Replacement ice bin that collects and stores ice cubes from your freezer ice maker. Needed when original bin is cracked, broken, or missing.

Front trim piece for refrigerator half shelf. Replaces cracked, broken, or missing trim on the front edge of your half-width shelf unit. Restores appearance.

Plastic trim piece that frames and secures the glass shelf edge in your refrigerator. Replace if cracked, broken, discolored, or missing for a clean look.

Left-side shelf support hanger for refrigerator shelves. Replaces broken, cracked, or missing hangers that no longer hold shelves securely in place.

Secures panels, brackets, and handles in refrigerators and other appliances. Replace missing or stripped screws to restore secure mounting.

Factory fastener that secures panels, brackets, and internal components. Replace missing, stripped, or corroded screws to restore tight fit and eliminate rattling.

Replacement screw for securing shelf rails, meat pan brackets, and interior panels in refrigerators. Use when original screws are missing, stripped, or lost.