Mw4390w Parts

Original Whirlpool light bulb, 40 watt.

Symptoms of needing to replace the light bulb include:

• Dimming or flickering light
• Complete lack of illumination inside the appliance
• Visible signs of damage or burnout on the bulb itself

Causes of a faulty light bulb can include normal burnout over time, electrical issues, or physical damage due to impact or vibrations.

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Kenmore, Frigidaire, GE, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore appliances.

The Microwave Door Switch is essential for maintaining the safety and functionality of your Samsung microwave. This genuine OEM part is specifically designed to replace faulty door switches, ensuring your appliance operates correctly. With its precise engineering, the Microwave Door Switch reliably detects when the microwave door is closed, preventing the unit from running when open. This feature not only enhances safety but also protects your microwave from potential damage. Compatible with a wide range of Samsung microwave models, this switch offers a perfect fit and seamless integration. Installing the Microwave Door Switch is straightforward, allowing you to quickly restore your microwaveGÇÖs performance without professional assistance. Using a genuine OEM part guarantees the quality and durability you expect from Samsung, providing long-lasting reliability. Whether your microwave door switch is unresponsive or fails to engage, the Microwave Door Switch delivers a dependable solution to keep your kitchen appliance functioning smoothly. Trust in this high-quality replacement part to maintain the efficiency and safety of your microwave.

The Fuse is an OEM part for Whirlpool microwaves. It is a crucial safety component designed to protect the microwave from electrical surges and potential short circuits by breaking the circuit if the current flow exceeds safe levels.

Causes of a bad microwave fuse can include electrical surges, faulty wiring, or normal wear and tear over time. A blown fuse will render the microwave inoperable, as it cuts off the power supply to prevent further damage or hazards.

Symptoms of a bad microwave fuse include:

• The microwave not powering on
• The microwave stopping mid-operation
• No response from the control panel or keypad
• Sudden loss of power during use

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

10 - 16 x 1/2

This hex washer-head screw secures panels, brackets, and other components inside your appliance. Replacing a worn, stripped, or missing screw restores a tight fit, reduces vibration and rattles, and helps keep assemblies properly aligned.

• Fastens panels, brackets, covers, and internal hardware to the cabinet or frame
• Helps prevent loosening, rattling, or misalignment during appliance operation
• Replace if the head is rounded, threads are stripped, or the screw is missing
• Useful after service when an original fastener is lost or damaged

• Disconnect power and shut off gas/water before starting
• Use the correct nut driver or socket for the hex head to avoid rounding
• Start threads by hand to prevent cross-threading; tighten snugly without overtightening

The Microwave Motor AC Drive is essential for maintaining the performance of your microwave. This genuine OEM part ensures seamless compatibility with a variety of Samsung microwave models, providing a perfect fit and reliable operation. Designed for durability, the Motor AC Drive delivers consistent power to your appliance, enhancing its efficiency and effectiveness. By choosing this genuine OEM part, you can trust the quality and longevity of your microwave, avoiding the pitfalls of inferior replacements. Installing the Microwave Motor AC Drive can resolve common motor issues, such as inconsistent heating or operational interruptions, restoring your microwave to optimal functionality. This component is ideal for both DIY repairs and professional servicing, offering an easy and dependable solution to keep your kitchen appliance running smoothly. Invest in the Microwave Motor AC Drive to ensure your Samsung microwave continues to perform reliably, providing you with the convenience and dependability you expect from your trusted appliance.

This replacement capacitor restores stable electrical timing and motor/run performance in compatible Whirlpool appliances. It helps the appliance start and run smoothly when the original capacitor has failed or weakened. What it does:

• Provides the stored charge needed for motor start/run circuits and control timing.
• Helps prevent motor hum, slow starts, or failure to start when the capacitor is failing.
• Reduces erratic cycling or intermittent operation caused by a weak capacitor.
• Supports reliable operation of blower, fan or small motor circuits that rely on a dedicated capacitor.

• Disconnect power to the appliance at the source before accessing electrical components.
• Capacitors can hold charge—discharge safely before touching terminals.
• Use insulated tools and avoid shorting terminals; verify correct fit and secure connections.

This sheet-metal pan-head screw secures appliance panels, brackets, and components to the cabinet or frame. Replacing a missing or damaged screw restores a tight fit and helps stop rattles, misalignment, and loosening.

• Fastens sheet-metal panels, covers, ducts, and brackets to the appliance chassis
• Helps keep components aligned and secure during operation
• Replace if the original is missing, rusted, stripped, or damaged
• Common symptoms: loose or vibrating panels, gaps or misaligned parts, hardware that won't tighten

• Disconnect power; shut off gas or water supply before servicing
• Support the panel or part being attached; hand-start threads to avoid cross-threading
• Use the correct driver bit; tighten snugly but do not overtighten into sheet metal
• If multiple matching screws secure a part, consider replacing them as a set for consistent hold

The Microwave Lamp Assembly is essential for maintaining optimal performance in your Samsung microwave. This genuine OEM part guarantees a perfect fit and reliable lighting, allowing you to clearly see your food as it cooks. Crafted with high-quality materials, the lamp assembly provides bright and even illumination, enhancing your cooking experience and ensuring precise results. Easy to install, this part lets you quickly replace a faulty lamp without the need for professional assistance. Compatible with a wide range of Samsung microwave models, the Microwave Lamp Assembly is designed to meet manufacturer standards for durability and efficiency. By choosing this genuine OEM part, you ensure the longevity of your appliance and maintain the high performance you expect from your Samsung microwave. Illuminate your kitchen with confidence and keep your microwave functioning at its best with this reliable lamp assembly.

The Microwave Control Switch Assembly is an essential component for maintaining the functionality of your Samsung microwave. This high-quality switch ensures precise control over your applianceGÇÖs settings, allowing you to easily manage cooking times and power levels with reliability. Crafted as a genuine OEM part, it guarantees seamless compatibility with a wide range of Samsung microwave models, providing a secure fit and straightforward installation process. By replacing a faulty or worn-out switch with this authentic assembly, you enhance the performance and safety of your microwave, ensuring consistent and efficient operation. The durable construction of the Microwave Control Switch Assembly offers long-lasting performance, reducing the need for frequent repairs and giving you peace of mind in everyday use. Whether youGÇÖre troubleshooting a malfunction or upgrading your appliance, this genuine OEM part delivers the quality and dependability that Samsung is known for, helping you maintain a fully functional and reliable kitchen appliance.

This is a replacement mounting screw used to secure panels and components on compatible Whirlpool appliances, restoring loose or missing fasteners for safe, stable operation. What it does

• Fastens appliance panels, brackets, and small components in place
• Replaces stripped, rusted, or missing screws that cause rattling or loose parts
• Helps restore proper alignment and reduce vibration-related noise
• Matches OEM fit and function for straightforward replacement

• One replacement screw

• Use the matching screwdriver or nut driver to avoid stripping the head
• Tighten until snug; do not overtighten to prevent thread or panel damage
• Turn off and unplug the appliance before accessing internal components

This is a small replacement screw used to fasten appliance panels and internal components, restoring secure connections and reducing rattles or loose parts. Ideal when original screws are missing or damaged. What it does:

• Secures access panels, mounting brackets, or internal assemblies to prevent vibration and movement
• Helps maintain electrical and mechanical connections by keeping components properly aligned
• Common fix for loose control panels, trim pieces, or internal module attachments

• One replacement screw as shown

• Use the matching driver (Phillips, hex, or Torx) and hand-start the screw to avoid cross-threading
• Tighten until snug; do not over-torque to prevent stripping or cracking surrounding material
• Disconnect power to the appliance before accessing internal parts to avoid injury
• If the original screw is corroded or broken, replace with the same type and length for best fit

The Microwave Thermostat is an essential component for maintaining the optimal performance of your Samsung microwave. This genuine OEM part ensures precise temperature control, allowing your appliance to heat food evenly and efficiently. Designed specifically for Samsung microwave models, the DE47-20029A thermostat guarantees a perfect fit and seamless integration with your existing setup. By replacing a faulty or worn-out thermostat with this high-quality part, you can restore your microwaveGÇÖs functionality and extend its lifespan. The reliable construction of this thermostat helps prevent overheating and ensures consistent cooking results, providing peace of mind and enhancing your cooking experience. Easy to install, the Microwave Thermostat is a practical solution for DIY repairs, saving you time and the cost of professional service. Trust in this genuine OEM part to deliver dependable performance and keep your Samsung microwave running smoothly for years to come.

The Microwave Button Spring is engineered to provide reliable and responsive control for your Samsung microwave. This essential component ensures that the buttons on your microwave's control panel function smoothly, allowing for precise settings and ease of use. Crafted as a genuine OEM part, it promises perfect compatibility with a wide range of Samsung microwave models, ensuring a secure fit and seamless integration. Installing this durable spring restores the original performance of your appliance, enhancing the user experience by maintaining consistent button pressure and responsiveness. By choosing this genuine OEM part, you benefit from the assurance of quality and durability, reducing the need for frequent repairs and extending the lifespan of your microwave. If your microwave buttons are sticky, unresponsive, or fail to register inputs correctly, the Microwave Button Spring offers a straightforward and effective solution to bring your appliance back to optimal functionality.

The Microwave Coupler is a crucial component for maintaining the optimal performance of your microwave. This genuine OEM part is designed to connect essential parts within the appliance, ensuring stability and smooth operation. Crafted with high-quality materials, the coupler effectively reduces vibrations and prevents misalignments, which can extend the lifespan of your microwave. It is specifically compatible with a wide range of Samsung microwave models, guaranteeing a perfect fit and easy installation. Replacing a worn or damaged coupler with the Microwave Coupler can resolve issues such as excessive noise, uneven cooking, or inconsistent heating. By choosing this genuine OEM part, you ensure that your microwave operates as intended, providing reliable and efficient performance. Whether you are experienced in appliance repair or tackling a DIY project, the Microwave Coupler offers a dependable solution to restore your microwave's functionality and enhance your overall user experience.

The Microwave Cooking Tray is a reliable replacement part designed to enhance the performance of your microwave. This genuine OEM part ensures a perfect fit for compatible Samsung microwave models, maintaining the integrity and functionality of your appliance. Constructed from durable materials, the tray provides even heat distribution, promoting consistent cooking results every time. Its sturdy design helps prevent warping and ensures stability during use, allowing you to safely heat and prepare your meals without worry. Installing the Microwave Cooking Tray is straightforward, making it easy to restore your microwave to optimal working condition quickly. Whether your original tray is cracked, damaged, or missing, this genuine OEM part offers a seamless solution to keep your microwave operating efficiently. By choosing this high-quality replacement, you ensure the longevity and reliability of your microwave, providing a better cooking experience for your everyday needs.