Jvm1339ww002 Parts

The Microwave Door Switch is an OEM part for GE microwaves, designed to prevent the microwave from operating when the door is open by interrupting the power whenever the door is not securely closed. The door switch is an essential safety feature.

Symptoms of a failing Microwave Door Switch include:

• The microwave not starting or heating
• Running when the door is opened
• Unusual noises when the door is closed  

Causes of a bad Microwave Door Switch can result from repeated opening and closing of the door or slamming that can cause the switch to degrade or become misaligned, leading to intermittent or failure.

This OEM GE part can also be used on Hotpoint, RCA, and Kenmore/Sears appliances. 

The Monitor Switch is an OEM replacement part for GE microwave ovens. Located internally on the turntable control circuit board, this switch monitors rotation of the turntable during cooking cycles.  

Causes of failure involve degradation of the electrical contacts from continuous arcing loads over years of use combined with vibration stresses.

Symptoms of a faulty monitor switch include:

• The turntable no longer rotates or spinning intermittently
• Cooking cycles aborting prematurely with error messages 
• Screeching or grinding noises emanating from beneath cavity
• Visible burnt spots on turntable drive assembly

This genuine GE switch is also compatible with select Hotpoint and RCA models.

The Light Bulb is an OEM part for GE microwaves. This bulb illuminates the interior of the microwave during operation, enhancing visibility so you can monitor the cooking process without opening the door. It is designed to withstand the high temperatures and vibrations typically found in microwave ovens.

Over time, the light bulb can burn out or become damaged due to the harsh environment of the microwave. Frequent on and off cycles can also shorten the lifespan of the bulb. Replacing a non-functioning or dim bulb will restore visibility and improve the functionality of your microwave.

Symptoms of a bad light bulb include:

• Dim lighting inside the microwave.
•  Flickering or inconsistent performance.
• Complete lack of light when the microwave is operating.

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

The Glass Light Lens is an OEM part for GE microwaves. It covers the light bulb inside the microwave, protecting it from food splatters and ensuring even illumination.The lenses measure approximately 7" x 3".

Causes of a bad glass light lens can include accidental impact, exposure to high heat, or general wear and tear.

Symptoms of a bad glass light lens include:

• Cracks or breaks in the glass
• Diminished visibility inside the microwave
• Light not being properly diffused
• Potential exposure of the light bulb to food splatters

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

The Light Bulb Socket is an OEM part for GE microwaves. It holds the light bulb securely in place within the microwave, ensuring proper illumination of the interior when the door is opened or the microwave is in operation.

Causes of a bad light bulb socket can include wear and tear over time, exposure to high heat, electrical faults, or damage from replacing the bulb improperly.

Symptoms of a bad light bulb socket include:

• The interior light not turning on when the microwave is in use
• Flickering or intermittent lighting
• Difficulty securing the light bulb in the socket
• Visible damage or discoloration to the socket

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

This thermostat is a temperature-sensing safety switch used in microwave ovens. It monitors heat and opens the circuit during an over-temperature condition to protect internal components and help prevent damage. What it does:

• Monitors temperature at a specific location inside the microwave
• Interrupts power if overheating is detected to protect components
• Helps safeguard the magnetron and wiring from thermal damage
• Presents as: shuts off mid-cycle, won't restart until cooled, no power, or runs but doesn't heat

• 1 thermostat

• Disconnect power before service; microwaves contain a high-voltage capacitor that can hold a dangerous charge—discharge it properly
• Note wire locations and transfer connections one at a time to the new thermostat
• Mount in the original location with firm, flush contact to the surface for accurate sensing
• Reinstall all covers and safety shields before restoring power and testing

Turntable glass tray. Color: clear. Size. 11-1/2 inches diameter.

The Hood Damper Assembly is an OEM part for GE microwave ovens. This part controls the flow of exhaust air to minimize odors and smoke from cooking. This damper opens to allow air to vent outside during microwave operation and closes to prevent outside air from entering when the microwave is not in use.

Causes of a bad hood damper assembly can include mechanical failure such as a stuck or broken damper, deterioration of the linkage or springs that operate the damper, and blockage caused by grease or debris accumulation, which can impair its functionality.

Symptoms of a bad Hood Damper Assembly include:

• Ineffective venting of smoke or cooking odors
• External air leakage into the microwave system
• Unusual noises during operation indicating a damper misalignment or obstruction

This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.

This thermostat switch is a temperature-sensitive safety device used in select appliances to open or close an electrical circuit at a set temperature. Replacing a failed switch helps restore proper temperature control and protects components from overheating.

• Monitors temperature and changes state (open/closed) at its calibration point
• Helps prevent overheating or incorrect temperature regulation
• Common failure signs: no heat/overheating, intermittent cycling, or unit shutting off prematurely
• May be mounted to a bracket or surface near the heated area, depending on the model

• Disconnect power before servicing; verify no voltage is present
• Note wire positions and orientation of the original switch before removal
• Transfer any mounting hardware from the old part if not reusable
• After installation, test operation and observe initial heating cycle for proper function

This high-voltage rectifier diode is used in the microwave's high-voltage circuit. It converts AC to DC so the magnetron can produce heat. A failed diode can cause no heat, loud humming, or a blown fuse when starting. What it does:

• Rectifies high-voltage AC to DC to power the magnetron
• Blocks reverse voltage in the HV circuit
• Common failure symptoms can include: runs but doesn't heat; loud hum then shutdown; line fuse blows at startup

• 1 high-voltage diode

• Unplug the microwave and properly discharge the high-voltage capacitor before servicing—dangerous voltage can remain even when unplugged
• Match diode orientation/polarity to the original and ensure a solid chassis ground connection where used
• Route leads and reinstall any clamps/insulators exactly as found; keep wiring clear of sharp edges and hot components
• If the original diode failed, inspect the HV capacitor and transformer for related issues before reassembly

The Grease Filter is an OEM Replacement Part designed to maintain the cleanliness and efficiency of your GE microwave. This filter measures 7 3/4 inches x 9 1/8 inches and is specifically designed to collect grease particles from the air while cooking. B

Causes of a bad grease filter can include regular wear and tear from frequent use, buildup of grease and cooking residues, or physical damage from cleaning or handling. Over time, the filter can become less effective at trapping grease, leading to reduced performance.

Symptoms of a bad grease filter include:

• Noticeable grease buildup on the range hood or microwave surfaces
• Reduced airflow or ventilation efficiency
• Visible damage, tears, or holes in the filter
• Unpleasant odors due to trapped grease and food particles

This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.

A replacement magnetron assembly that generates the microwave energy used for cooking and reheating. Installs in countertop and over-the-range microwave ovens to restore normal heating performance when the magnetron fails. What it does:

• Produces high-frequency microwave energy that heats food inside the oven cavity.
• Commonly replaces a unit when the microwave stops heating or heats very weakly.
• Can address symptoms like no/poor heating, intermittent heating, or loud humming from the oven during operation.
• Not a control or capacitor—this part is the microwave-generating tube and works with the oven's HV system.

• Always disconnect power and unplug the appliance before starting service.
• The high-voltage capacitor can retain a dangerous charge; discharge properly.
• Handle the magnetron carefully; avoid touching terminals or the antenna.
• Follow OEM instructions and safety guidelines for reassembly and testing.

This washered screw secures panels and internal components where a combined screw-and-washer fastener is required, restoring proper fit and stopping movement or rattling. Simple replacement with the correct fastener keeps assemblies aligned and stable. What it does

• Secures panels, brackets or components where a washered screw is specified
• Replaces missing, stripped or corroded fasteners that allow vibration or gaps
• Helps stop rattling, loose panels or misaligned parts caused by a failed screw
• Provides a sealed bearing surface to distribute load and prevent pull-through

• One washered screw

• Disconnect power and/or water to the appliance before starting any repair
• Use the correct screwdriver or bit to avoid cam-out and fastener damage
• Align parts before tightening and snug; avoid over-tightening which can strip threads or crack plastic

This run capacitor helps the appliance motor start and run smoothly by storing and releasing electrical energy. Replacing a worn capacitor can restore reliable motor operation and reduce abnormal motor noise or cycling. What it does:

• Provides the brief power boost motors need to start and maintain RPM
• Helps stabilize motor voltage and improve run efficiency under load
• Commonly linked to symptoms such as motors that hum but won't start, slow or intermittent motor operation, or unusual motor noise
• Reduces stress on motor windings that can lead to premature failure when functioning properly

• One motor capacitor

• Always disconnect power at the breaker or unplug the appliance before servicing
• Capacitors can hold a charge; discharge safely
• Observe proper polarity and mounting location during installation; secure wiring and connectors