Mmv4203ws-0 Parts

This Light Housing secures and protects the interior lamp assembly, helping keep the compartment safely illuminated. Replace a cracked or heat-damaged housing to restore a stable bulb fit and consistent lighting performance. What it does:

• Provides a stable mount for the interior light bulb/socket
• Shields nearby wiring and components around the lamp area
• Helps position the light for proper illumination inside the compartment
• Common signs of wear: cracked or melted housing, loose bulb fit, lens/cover won't stay attached, intermittent lighting from a poor physical connection

• 1 light housing

• Disconnect power to the appliance before servicing
• Remove the lens/cover and bulb, then unfasten the damaged housing
• Transfer the existing socket, wiring, and any hardware from the old housing as needed
• Reinstall the housing, replace bulb/cover, restore power, and test the light

This white vent grille covers the front ventilation opening of the appliance, providing a finished look while allowing proper airflow. Replace a cracked or missing grille to restore appearance and ensure the vent opening is correctly protected.

• Directs air through the front vent opening while shielding internal components
• Restores secure fit when tabs or mounting points are broken
• Replaces grilles that are cracked, warped, discolored, or missing
• Can reduce rattling or vibration caused by a loose or damaged grille

• Disconnect power before servicing to prevent electrical hazard
• Remove the screws or clips securing the existing grille; release any retaining tabs
• Align the new grille with the mounting points, engage tabs, and secure with existing fasteners
• Verify the grille sits flush and does not obstruct airflow

This replacement screw secures appliance components such as panels, brackets, and covers. Replace a missing or stripped fastener to restore a tight, rattle-free fit and proper alignment. What it does:

• Secures panels, brackets, trim, and internal assemblies in place
• Replaces lost, corroded, or stripped hardware
• Helps reduce vibration and rattling from loose components
• Maintains correct fit and alignment of covers and parts

• One screw

• Disconnect power before servicing; wear appropriate safety gear
• Match the screw to the original location; transfer any washers or clips from the old hardware
• Start threading by hand to avoid cross-threading; tighten snugly without overtightening
• Repair damaged receiving threads before installing the new fastener

This OEM replacement part is a microwave door assembly. The microwave door assembly is the main door that is used to open the microwave. If the door is damaged and no longer closing or opening properly, it might be time to replace it. Thankfully, replacing this part is not a very difficult job. To replace the door, start by shutting off the power to the microwave. Then open the broken door assembly. Locate the screws that attach to the door hinges and remove them. After removal, gently pull the door out of its place. Take the replacement door and set it on its hinge. Fasten the mounting screws to secure the new door and be sure to test if it is opening and closing smoothly. This genuine replacement part is sold individually and is compatible with Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, Sears, and Kenmore brand microwaves.

This block-style fuse holder secures and connects the appliance fuse to the wiring harness, restoring a safe electrical connection and thermal protection. Use it when the original fuse block is cracked, corroded, or no longer holding the fuse securely. What it does:

• Holds and connects the appliance fuse to the wiring harness so the thermal/overload fuse can function.
• Restores reliable electrical contact when the original block is cracked, melted, or corroded.
• Addresses symptoms such as intermittent power, no heat, or appliance not starting when caused by a bad fuse connection.
• Works with the existing fuse and wiring—does not replace the fuse itself.

• Disconnect power to the appliance before inspecting or replacing this part.
• Replace any damaged wiring, connectors, or insulation found during replacement; do not cut corners or bypass thermal safety devices.

This lamp cover is the replacement lens that protects and diffuses your oven's interior light, restoring even illumination while keeping the bulb shielded from heat and food residue. It helps maintain safe, usable oven lighting. What it does:

• Protects the oven light bulb from splashes, crumbs and direct contact.
• Diffuses the bulb for more even interior illumination.
• Replaces a cracked, cloudy, melted or missing lens that can cause dim or exposed lighting.
• Fits over the lamp housing to restore the oven's normal light appearance and function.

• Disconnect power to the appliance before starting and allow the oven to cool completely.
• Handle the cover carefully—wear gloves to protect from sharp edges or broken glass.
• Remove any retaining screws or clips, swap the old cover for the new one, then secure the retainer.
• After installation, restore power and replace the bulb if issues persist.

Color: White

This molded wire support clip secures wiring and small harnesses to the appliance cabinet or components to prevent rubbing, pinching, or contact with moving/heat-producing parts. It helps reduce chafing and electrical wear for safer, more reliable operation. What it does:

• Holds wiring harnesses and individual wires in place to prevent contact with sharp edges, motors, or heating elements
• Minimizes wire movement and vibration that can lead to chafing or broken conductors
• Helps maintain proper routing for consistent connections and component performance
• Commonly used where a small push-fit retainer is needed to secure low-voltage or signal wires

• One wire support clip as shown

• Disconnect power to the appliance before servicing to avoid shock or injury
• Push-fit installation: align clip over wire/harness and press into the mating hole or slot until it snaps in place; clip may require slight flexing
• Inspect surrounding wiring and routing for damage; replace any frayed or exposed wires before reassembly
• If the mounting hole or panel is damaged, use the correct replacement panel or a suitable repair to ensure a secure fit

This piston assembly restores the moving piston used in the appliance's fluid/valve system to help recover proper dispensing and motion. It replaces a worn or damaged piston so the affected function can operate as intended. What it does:

• Replaces the piston that moves inside a valve or dispenser to control fluid or airflow
• Restores proper actuation and sealing that can prevent drips or improper dispensing
• Commonly installed when symptoms include poor dispensing, leaks near the valve area, sticking motion, or unusual noises during operation
• Works as a direct-fit replacement where this OEM piston assembly is specified

• One piston assembly as shown

• Disconnect power (and water supply or gas, if applicable) before starting any repair
• Follow the appliance service manual and use appropriate tools; keep small fasteners and seals organized
• Inspect sealing surfaces and O-rings; replace damaged seals to ensure a leak-free install
• Test the appliance after installation to confirm correct operation

This thermistor is a refrigerator temperature sensor that monitors internal air temperature so the control board can regulate cooling. Replaces a failed sensor to help restore accurate temperature readings and more consistent cooling. What it does:

• Senses internal refrigerator temperature and sends a variable resistance signal to the control board
• Helps the control system cycle the compressor and fans correctly for stable temperatures
• Commonly replaced when refrigerator runs too cold, too warm, or has irregular cooling cycles
• Can address temperature-error codes or defrost control issues when the sensor is faulty

• Disconnect power to the appliance before inspecting or replacing the sensor
• Handle the sensor and wiring harness carefully to avoid damage to the probe or connectors
• Install in the original sensor mounting location and secure wiring away from moving parts

This base is the appliance's lower cabinet section that supports internal components and helps stabilize the unit. It restores a solid foundation so the appliance sits level and protects internal parts from floor contact and debris. What it does:

• Provides structural support for the appliance's internal assemblies and controls
• Helps stabilize the unit and reduce excessive vibration or rocking
• Protects wiring, motors and other components from contact with the floor
• A damaged or cracked base can cause noisy operation, misalignment, or uneven sitting

• Disconnect power (and gas if applicable) before beginning any repair
• Follow the OEM service manual for disassembly and reassembly steps
• Replacement may require removing the cabinet and/or drum; having a second person helps with lifting and alignment
• Inspect and reuse original fasteners only if undamaged; replace any worn mounting hardware

This replacement power cord supplies electricity to the appliance so it can run safely and reliably. It replaces a worn, frayed or damaged cord to restore steady power and reduce risk of electrical problems. What it does:

• Delivers mains power from the outlet to the appliance's internal wiring
• Replaces cords with visible damage, exposed wires, or broken plug ends
• Stops intermittent power or complete loss of power caused by a damaged cord
• Helps prevent arcing and poor connections when original cord has failed

• Always disconnect power at the wall or breaker before inspecting or replacing the cord
• Secure the cord strain relief and ensure wire connections are tight and correctly routed

This reflector directs and shields the oven light and surrounding area, helping maintain safe illumination and protecting the lamp from direct contact with food and heat. Fits behind the interior lamp in compatible ranges. What it does:

• Reflects and directs oven lamp light for improved interior visibility
• Shields the light from splatters and oven heat to protect the bulb assembly
• Helps maintain consistent light positioning after bulb changes or during cleaning
• Common symptom: dim or uneven oven lighting or a cracked/discolored reflector

• One reflector

• Disconnect power to the appliance and allow the oven to cool completely before starting
• Remove the oven light bulb and lens/cover to access the reflector
• Handle carefully to avoid bending or scratching; reassemble lamp components securely