Nn-Sd7878st Parts

Specs: No.8X1/2 HEX WASHER HEAD

Replacement fastening screw for securing trim, panels, and brackets inside appliances. Use when original screw is missing, stripped, or damaged.

Fix excessive frost buildup in your freezer with this defrost timer. Restores the 6-hour defrost cycle to keep cooling consistent. Moderate DIY repair.

If your ice cube tray is broken or missing, this replacement tray forms and holds standard-sized ice cubes in your freezer. Simple installation.

Fix a refrigerator that's not cooling properly with a new condenser fan blade. Restores airflow across condenser coils for consistent temperatures.

Secures flexible tubing to fittings on water and drain lines. Replace when clamps lose tension or you find leaks. Confirm fit with your model number.

This 40W replacement light bulb restores interior appliance lighting so you can see inside ovens and ranges for checking food without opening the door. Simple, direct fit for compatible appliance light sockets. What it does:

• Provides bright, focused 40W illumination for appliance interiors
• Replaces burned-out or dim bulbs so the interior light turns on when the door is opened
• Helps you monitor cooking progress and oven/range activity safely
• Fits standard appliance light housings designed for a 40W lamp

• Always disconnect power or unplug the appliance before replacing the bulb
• Allow the old bulb and surrounding area to cool completely before handling
• Use a cloth or gloves to avoid skin oils on the bulb; tighten gently—do not overtighten
• Restore power to test operation

Plastic end cap that secures refrigerator door shelf trim. Replaces cracked, broken, or missing shelf retainers. Sold individually; order 2 per shelf.

Replacement mounting screw for freezers and refrigerators. Secures internal components and panels. Order a new screw if original is stripped or missing.

A small flat washer used with fasteners to distribute load, prevent pull-through, and reduce wear on mating surfaces. Simple, durable hardware that helps maintain secure assemblies in laundry appliances. What it does:

• Provides a smooth bearing surface between a fastener head or nut and the appliance component
• Helps distribute clamping force to prevent damage or pull-through of softer materials
• Reduces loosening from vibration and helps maintain a stable connection
• Commonly replaced when hardware is corroded, deformed, or missing

• Disconnect power and water supply and follow all safety precautions before servicing the appliance
• Use the correct matching fastener and seating orientation for reliable fit and function
• Inspect surrounding hardware and replace any corroded or damaged bolts, nuts, or mating parts

Microwave won't heat? A failing high-voltage capacitor disrupts the heating circuit. This part stores electrical energy for consistent operation.

An adjustable leveler that supports and raises or lowers the appliance to help stabilize it on uneven floors. Restores proper alignment to reduce rocking, vibration, and door misalignment for improved performance and safety. What it does:

• Provides height adjustment to level the cabinet and prevent rocking
• Helps doors close and seal correctly by correcting leaning or unevenness
• Reduces vibration and movement that can cause noise or wear
• Simple turn-to-adjust design for fine tuning appliance position

• Unplug the appliance (and shut off water supply for units with plumbing) before working nearby
• Support the appliance when adjusting so it does not tip; use a helper or appliance dolly as needed
• Turn the leveler by hand or with a wrench; adjust both front/back or left/right sides evenly and re-check with a level

This door shelf trim replaces a damaged or cracked plastic trim on a refrigerator door shelf to restore a secure edge and improve appearance. It helps keep door bin contents in place and prevents sharp edges or gaps. What it does:

• Replaces worn, cracked, or broken trim that allows items to shift or snag
• Restores the protective edge of a door shelf to help keep contents contained
• Improves the finished look of the refrigerator door interior
• Helps prevent small items from falling out of the door bin

• High-level replacement; may require removing the door bin or trim piece for access
• Use basic hand tools and follow OEM instructions
• Unplug or disconnect power to the appliance before performing any repairs
• Inspect surrounding shelf components for additional damage before reassembly

Plastic hinge bushing (Thimble) for a 3/8 inch pin. Order 66036-1 for the 1/4 inch pin.