Parts for Ge JGB850DEF3BB: Lower Oven Parts

A small mounting spacer that positions and supports internal components for proper alignment and clearance. Replaces a worn or damaged spacer to help maintain stable assembly fit and reduce interference between parts. What it does:

• Provides spacing between appliances' internal assemblies to ensure correct alignment
• Helps prevent metal-to-metal contact that can cause noise, wear, or improper sealing
• Restores correct fit when an original spacer is cracked, missing, or deformed
• Commonly used during repair of panels, assemblies, or mounting brackets

• Disconnect power (and gas if applicable) before starting any repair
• Handle surrounding panels and components carefully to avoid damage
• Installation may require removal of adjacent trim or brackets and a few fasteners

The Temperature Sensor is an OEM part for GE ovens and ranges, accurately measures and controls the temperature within the oven cavity. This part ensures your oven heats to the desired temperature and maintains it throughout the cooking process, providing consistent and reliable cooking results.  

Causes of a bad Temperature Sensor can include exposure to extreme temperatures leading to sensor failure, physical damage, or wear and tear over time that affects its accuracy.  

Symptoms of a bad Temperature Sensor include:

• The oven not reaching the set temperature or displaying an error code related to temperature regulation.
• Unpredictable oven temperatures, leading to inconsistent cooking results.
• The oven taking longer than usual to preheat, or not heating at all, indicating that the sensor is not properly gauging and adjusting the temperature.

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

This barrier bottom floor is the inner bottom panel that helps form the refrigerator's lower compartment, keeping components supported and directing moisture away from sensitive areas. Replaces a damaged, cracked, or missing bottom barrier to restore proper fit and protection. What it does:

• Replaces a cracked, broken, or warped bottom floor panel that can let debris or moisture reach components
• Restores the intended lower-compartment barrier that helps direct condensation and defrost water
• Provides a stable mounting surface for lower shelving/crisper assemblies and nearby components
• Helps reduce the chance of visible gaps or misalignment in the refrigerator base

• Disconnect power and empty the lower compartment before beginning work
• May require removal of lower drawers, trim pieces, or screws/clips for access
• Use basic hand tools; keep track of fasteners and any seals or gaskets removed

This small replacement bumper cushions and protects the appliance frame/trim where panels meet, helping reduce vibration, chipping and rattles for a cleaner, quieter fit. Ideal when the original bumper is worn, cracked or missing. What it does:

• Cushions contact between the frame/trim and adjacent panels to reduce noise and prevent damage
• Helps maintain proper panel alignment and sealing where the trim meets the cabinet
• Reduces rattling or vibration caused by loose or degraded trim pads
• Restores protective spacing that prevents chips or scratches to finished surfaces

• One frame front bumper

• Disconnect power to the appliance before starting work and follow all safety precautions
• Usually installs by pressing into a slot or onto a mounting surface after removing the trim piece; some trim removal may be required
• Inspect mating surfaces for damage or debris and clean before installing the new bumper
• Replace with the exact part number only; do not force or modify the bumper to fit

This 10-32 machine screw secures brackets, panels, and other hardware in cooking appliances. Replacing a missing or stripped screw restores a snug, rattle-free fit and keeps components aligned and safely fastened. What it does:

• Fastens panels, brackets, and components using a 10-32 machine thread
• Replaces hardware that is missing, rusted, or stripped
• Helps address loose or rattling parts and minor panel misalignment
• Maintains secure mounting after service or part replacement

• One 10-32 machine screw

• Disconnect power; for gas appliances, also shut off gas before service
• Support the panel or bracket while removing/installing hardware
• Start threads by hand to avoid cross-threading; do not overtighten
• Replace them one at a time to keep alignment

This replacement oven rack restores a sturdy, level surface for cookware. Replace a bent, rusted, or missing rack to safely position dishes at the proper height for baking and broiling. What it does:

• Supports pans and dishes on a stable, level surface during baking or broiling
• Slides along the oven's side supports to adjust rack positions
• Helps maintain correct spacing from the heat source for recipes
• Replaces racks that are bent, rusted, missing, or have broken welds/stops

• Allow the oven to cool completely and switch off power at the breaker for safety
• Pull the old rack forward to the stop, lift the front to clear the stop tabs, and remove
• Align the new rack with the side rails (stop notches toward the rear if present) and slide it in fully
• Follow your user manual for self-cleaning; many models require removing racks to protect the finish

This bottom oven inner cavity liner replaces the damaged or corroded interior surface that holds racks and reflects heat for even cooking. Restores the oven's interior structure and helps maintain proper baking and roasting performance. What it does

• Provides the oven's inner cavity surface that supports racks and cookware
• Reflects heat for more consistent cooking results
• Replaces dented, cracked, or corroded interior panels that can trap grease or cause uneven heating
• Helps prevent food debris from reaching insulation and internal components

• One bottom oven inner cavity liner

• Disconnect power to the appliance before starting any repair
• Remove oven racks and follow OEM instructions to access and remove the old liner
• Handle edges carefully; use gloves to avoid cuts and protect the new liner finish
• If insulation or mounting clips are damaged, inspect and replace those items as needed

Oven deflector redirects oven heat away from the rear panel and components to protect surfaces and help restore more even cooking. Fits in the rear of the oven cavity and replaces a warped or damaged deflector. What it does:

• Directs and deflects heat away from the oven back wall to reduce hot spots and help improve cooking consistency.
• Protects interior liners and nearby components from excessive heat that can cause warping or discoloration.
• Common replacement signs: visible dents, warping, heat discoloration, or uneven baking/broiling.

• Disconnect electrical power (and gas supply for gas ovens) before starting any repair.
• Remove oven racks and mounting hardware; handle part carefully—edges may be sharp.
• Install in the original orientation and secure with the original fasteners; replace missing fasteners with appropriate OEM parts.

This oven deflector is a metal shield that directs heat away from sensitive areas inside the oven cavity to help ensure even cooking and protect surrounding components. It restores proper airflow and helps prevent hot spots. What it does:

• Directs and deflects oven heat to promote more even temperature distribution
• Protects internal components and wiring from direct heat exposure
• Helps reduce localized overheating that can cause oven damage or uneven baking
• Replaces a worn, bent, or missing deflector to restore original airflow path

• One oven deflector

• Disconnect power to the appliance before starting any repair to avoid shock or injury
• Typical install requires basic hand tools; follow the manufacturer service instructions
• Handle the part carefully to avoid sharp edges; wear gloves if needed

The Plunger Switch Dual is an OEM part for GE gas ranges. It is an electro-mechanical component that activates the burners and bake/broil modes when the oven door is securely closed.

Causes of failure include worn contact points, damaged wiring, or defective internal components.  

Symptoms of a bad plunger switch dual include:

• Inability to select oven cooking functions when door is closed
• Error messages related to unsafe door conditions  
• Random activation of burners with door open 
• Failure of door interlock safety feature

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

The Oven Lamp Holder is an OEM part for GE ovens. This component securely holds the oven light bulb in place, ensuring proper illumination inside the oven cavity for better visibility during cooking and baking.

Causes of a bad lamp holder can include repeated exposure to high temperatures, physical damage, or electrical issues. A malfunctioning lamp holder can lead to the oven light not functioning correctly or at all.

Symptoms of a bad oven lamp holder include:

• The oven light not turning on
• Flickering or intermittent operation of the light
• Visible damage or corrosion to the lamp holder
• The light bulb not staying securely in place

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

This oven deflector directs heat away from the oven's back wall to promote more even cooking and protect internal components from direct heat. It replaces a bent, missing, or damaged deflector to restore proper heat flow in the oven. What it does:

• Redirects burner/element heat away from the back wall to reduce hot spots and uneven baking
• Protects the oven back panel and internal components from direct flame or intense radiant heat
• Helps maintain more consistent oven temperatures during baking and roasting
• Visible or damaged deflectors can cause scorch marks, warped panels, or uneven cooking

• Disconnect power to the appliance (or turn off gas and power for gas ranges) before starting any work
• Remove oven racks for access; installation typically requires basic hand tools (screwdriver)
• Handle the part carefully—edges may be sharp; align tabs or screw holes per the oven's mounting points

This oven light gasket fits between the glass lens and the oven liner. It restores a proper seal around the light opening to help keep grease and moisture out of the light cavity and hold the lens securely in place. What it does:

• Seals the joint between the oven light lens and the cavity wall
• Helps prevent grease and moisture from entering the light assembly
• Keeps the lens snug to reduce looseness or rattling
• Replace if the gasket is cracked, flattened, brittle, missing, or if moisture/grease is visible around the lens

• One oven light lens gasket

• Disconnect power at the breaker and allow the oven to cool completely
• Remove the light lens/retainer as your model requires (unscrew lens or release clips)
• Note gasket orientation and clean the mating surfaces
• Seat the new gasket evenly and reinstall the lens; do not overtighten the glass

Package of 12

This receiver hinge is the metal bracket that secures a refrigerator or freezer door hinge pin and helps the door open and close smoothly. It replaces worn or damaged receiver brackets to restore proper door alignment and operation. What it does:

• Secures the hinge pin to the cabinet so the door pivots correctly
• Supports door weight to reduce sagging and misalignment
• Restores smooth opening and closing when the original bracket is cracked or worn
• Helps maintain an effective door seal by keeping the door properly aligned

• One receiver hinge bracket

• Disconnect power to the appliance before beginning any repair
• Typically installed at the cabinet hinge location; basic hand tools required
• Support the door while removing/installing the hinge to prevent injury or damage