Parts for Ge JGB450DEF1BB: Gas & Burner Parts

This economic nut is a small replacement fastening nut that restores secure connections for appliance components. It replaces worn or missing hardware so panels and internal parts stay firmly seated and reduce vibration. What it does:

• Secures components and panels by threading onto the matching stud or bolt to hold assemblies in place
• Prevents loose or rattling panels and hardware caused by a missing or damaged nut
• Restores proper fit for user-accessible panels and internal brackets where this nut is specified
• Simple hardware replacement to regain stable mechanical connections

• Disconnect power and water (if applicable) and follow basic electrical safety before servicing the appliance
• Use the matching size wrench or socket; thread-on by hand first to avoid cross-threading, then snug—do not overtighten
• Inspect mating stud or bolt for damage; replace hardware that is stripped, corroded, or deformed

Size: 8 - 32 inch.

This small cooktop bracket secures designated components beneath the cooktop surface, keeping them properly positioned and stable. Replace a damaged or missing bracket to restore alignment and reduce movement or rattling during use.

• Provides mounting support for specific under-top components, per model design
• Helps maintain proper alignment and stability of cooktop parts
• Replace when visibly bent, cracked, or corroded

• Disconnect power; for gas models, also shut off gas and allow the unit to cool
• Remove surface components as required (grates/caps/heads for gas; elements/panels for electric) to access under the top
• Lift or remove the cooktop as directed in your model's service information and secure the new bracket with existing hardware
• Reassemble, verify alignment, and for gas units check for leaks if any gas connections were disturbed

The Thermostat is an OEM part for GE gas ranges. It regulates temperature settings for gas burners and oven elements. 

Causes of a bad thermostat can include worn contacts, loose terminals, or moisture damage degrading electrical pathways over time.

Symptoms of a faulty thermostat include:

• Inability to ignite or light gas burners 
• Faulty or unresponsive oven/burner temperature knobs
• Inconsistent or unstable heating from specific burners 

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

A replacement burner valve cover that protects and conceals the gas valve assembly on compatible ranges, helping keep valve components clear of spills and debris for more reliable burner operation. What it does:

• Covers and protects the gas valve area from food, moisture and spills.
• Helps prevent debris from interfering with valve knobs and internal valve parts.
• Can reduce intermittent ignition or burner performance issues caused by contamination.
• Restores the finished appearance around the valve for safer, cleaner operation.

• Always shut off the gas supply and unplug the appliance before servicing.
• Use basic hand tools; handle the valve area gently to avoid disturbing fittings or tubing.
• After installation, check for gas leaks with a soapy-water solution or a proper leak detector—do not use an open flame.

This rear orifice holder mounts beneath the cooktop to route gas from the valve to the rear surface burner. It positions the orifice correctly for reliable ignition and a stable, even flame at the rear burner.

• Channels gas from the valve through the orifice to the rear surface burner
• Aligns and supports the orifice spud for proper flame shape and height
• Helps address delayed ignition, weak/uneven or yellow flames at the rear burner
• A damaged or loose holder can contribute to clicking without lighting or a gas odor near the burner

• Shut off gas supply and power; allow the cooktop to cool before servicing
• Remove grates, burner caps/heads, and lift or release the cooktop to access the manifold area
• Detach the old holder from the valve and mounting points; note orientation and transfer the existing orifice spud to the new holder
• Reassemble, restore gas, and check all connections for leaks with a soapy-water solution; verify proper ignition and flame

This front orifice holder sits under the cooktop's front burner, channeling gas from the control valve through the orifice to the burner head. Replacing a damaged holder restores proper flame and dependable ignition on the front burner position.

• Channels gas from the valve to the burner head and secures the orifice spud in place
• Maintains correct alignment and seal for consistent flame size and distribution
• Helps resolve issues like front burner not lighting, repeated clicking without ignition, or weak/uneven flame
• Designed for the designated front burner position per the model's gas manifold layout

• Shut off gas supply and disconnect power; allow the appliance to cool before servicing
• Remove grates, caps, and burner head; lift or open the cooktop as required for access
• Transfer the existing orifice spud and mounting hardware to the new holder; tighten fittings and check with an approved leak-detection solution
• Test ignition and flame; adjust only per manufacturer instructions

The Front Orifice Holder is an OEM part for GE gas ranges and cooktops. This part holds the gas orifice in place at the front burner. This part is essential for the proper delivery and distribution of gas to the burner, facilitating precise flame control and consistent cooking performance.  

Causes for issues with the orifice holder often involve normal wear and tear, exposure to high temperatures and cooking spills, or physical damage during cleaning or maintenance activities.

Symptoms of a malfunctioning Front Orifice Holder include:

• Inconsistent flame size or shape at the burner
• Difficulty igniting the burner or experiencing uneven heating
• Signs of damage or corrosion on the holder itself

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

The Rear Orifice Holder is an OEM part for GE gas ranges. This part holds the orifice that regulates the flow of gas to the rear burner, ensuring proper gas distribution and efficient burner operation.

Causes of a bad orifice holder can include wear and tear from regular use, corrosion from exposure to cooking residues, or physical damage.  

Symptoms of a bad rear orifice holder include:

• The rear burner not lighting or staying lit
• Uneven or weak flame on the rear burner
• Gas odors around the burner area
• Visible damage or corrosion on the holder

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

The Burner Bake Tube is an OEM part for GE gas ovens and ranges. It acts as the path by which gas travels from the valve to the burner, where it is ignited and the flame produced. 

Symptoms of a bad burner tube include:

• Inability to ignite or extinguish the gas flame properly  
• Burner flames that appear abnormal in color or size
• Decreased gas pressure at the burner resulting in weak flames
• Frequent sensor issues or interrupted baking 

Causes can be cracks in the tubing allowing gas leaks, blockages restricting fuel flow, or permanent damage from overheating. Installing this GE replacement restores efficient combustion ensuring reliable oven or range operation.

Compatible with Hotpoint, RCA, and select Kenmore models as well, replacing yours prevents future troubles from minor issues left unaddressed. 
 

This tube burner supply is the replacement gas tube that delivers fuel from the range/oven valve to the burner, restoring proper gas flow for reliable ignition and consistent flame performance. What it does:

• Directs gas from the appliance valve to the burner for normal operation
• Replaces cracked, corroded, or clogged burner tubing that can cause fuel flow disruption
• Helps correct symptoms such as burners that won't light, weak or uneven flames, or intermittent ignition
• Restores a sealed path for gas to reduce leakage risk when installed and tightened correctly

• Turn off gas supply and electrical power to the appliance before beginning work
• Verify proper fit and orientation to the valve and burner; use the OEM clamp/hardware if provided
• After installation, check all connections for leaks (soap-and-water test) and restore power per the appliance manual

The Igniter Mounting Screw is an OEM replacement part for GE ovens and ranges. This screw secures the igniter to the burner assembly, ensuring it remains firmly in place for consistent and reliable ignition. Its precise fit and durable design help maintain the stability and functionality of the igniter.

Over time, mounting screws can become corroded, stripped, or lost during repairs or maintenance. A missing or damaged screw may result in a loose igniter, affecting the appliance's ability to ignite properly.

Symptoms of a bad or missing igniter mounting screw include:

• The igniter becoming loose or misaligned

• Difficulty securing the igniter during installation or repair
• The burner fails to ignite reliably or consistently
• Increased noise or movement of the igniter during operation

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

This broil burner provides concentrated heat for the oven's broil function, restoring high-temperature top-down cooking for browning and searing. Designed to match the original part shape and heat output for safe, consistent performance. What it does:

• Generates the concentrated high heat used during the oven's broil cycle
• Helps restore proper browning, crisping, and searing on top of foods
• Commonly replaced when broil heat is weak, uneven, or the burner won't light
• Works as the direct heating element for the oven's broil operation

• Disconnect power (and gas supply, if applicable) before beginning service
• Handle carefully; edges may be sharp and burner surfaces can be fragile

This igniter cover is a replacement protective shield that helps protect the oven igniter from food spills and debris, extending the igniter's service life and helping the burner ignite reliably. What it does:

• Shields the oven igniter from direct contact with spills, drips and falling debris
• Helps prevent premature igniter damage that can lead to ignition problems
• Can reduce the chance of shorting or erratic ignition caused by contamination
• Matches original shape to ensure proper fit and clearance around the igniter

• Disconnect power to the appliance (and shut off gas if applicable) before servicing
• Allow the oven to cool completely and wear gloves to avoid cuts from sheet metal
• Handle the igniter and cover carefully; avoid touching the igniter surface directly
• Test appliance operation after reinstall

This orifice spud meters gas to a burner in your range or cooktop. Replacing a clogged or damaged spud helps restore correct flame size and reliable ignition for consistent cooking performance.

• Regulates gas flow from the valve to the burner head for proper combustion
• Helps restore consistent flame height and even heating on the burner
• Sized for the burner rating and fuel type specified by your model; always match the correct part

• Disconnect power and shut off gas supply; allow the appliance to cool completely before servicing.
• Access the burner orifice and replace with the correct, model-specified spud using an appropriate wrench; do not overtighten.
• Restore gas and check all connections for leaks with a soap-and-water solution.
• Use only the spud specified for your fuel type (NG or LP); do not attempt conversion without the approved kit and instructions.

The Orifice Spud is an OEM part for GE ranges and cooktops. It is a small, precise component responsible for regulating the flow of gas to the burner, ensuring a controlled and efficient flame for cooking. This spud is essential for maintaining the correct gas pressure and flame size.

Over time, orifice spuds can become clogged or damaged due to residue buildup, corrosion, or improper cleaning. These issues can lead to inefficient burner performance or safety hazards.

Symptoms of a bad orifice spud include:

• Uneven or weak burner flames
• Difficulty in igniting the burner
• Yellow or flickering flames
• Gas odors near the burner area

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

LP Gas. LG .99mm

This surface burner valve regulates gas flow to a single top burner on your range, delivering smooth flame control. Replace a worn or leaking valve to resolve ignition problems and uneven flame performance.

• Regulates gas flow to the surface burner as you turn the knob
• Works with the igniter/orifice to light the burner
• Failure symptoms include: burner won't light or delayed ignition; flame won't adjust or is uneven
• Other signs: knob hard to turn or gas odor at the valve stem

• Disconnect power and shut off the gas supply before servicing; allow the appliance to cool.
• Remove the knob and access panel; note the valve's orientation and label igniter wire and gas tube locations.
• Transfer the orifice holder and any mounting hardware from the old valve if required.
• After reconnecting, restore gas and check all joints for leaks with a noncorrosive leak-detection solution before use.

This indicator light lens covers the control-panel lamp opening, diffusing the light and protecting the hole from debris and contact. Replace a missing or damaged lens to restore a clean, finished look and clear on/off indication.

• Provides a finished cover for the indicator lamp opening on the panel
• Diffuses the light for clearer visibility
• Shields the opening from dust, moisture, and accidental contact
• Common signs to replace: lens is cracked, missing, discolored, or won't stay seated

• Disconnect power at the breaker before servicing
• Access the control panel as required for your model (remove knobs/screws if needed)
• Lens typically snaps in; some models use a rear retainer—transfer any clip or seal
• Align with the lamp and press evenly; do not force or overtighten fasteners

This genuine replacement screw secures panels, trim and small components on compatible appliances to restore proper fit and prevent rattling or gaps. Use it when a missing or damaged fastener causes loose or misaligned parts. What it does:

• Fastens panels, bezels, trim pieces and small assemblies to the appliance frame
• Restores secure fit to eliminate rattling, vibration noise or loose trim
• Replaces stripped, rusted or missing screws that prevent proper alignment

• Disconnect power to the appliance before servicing to avoid electrical hazard
• Use the correct screwdriver or driver bit to prevent stripping the head
• Tighten securely but avoid over-torquing; excessive force can strip threads or crack plastics
• Keep removed fasteners organized to ensure correct reassembly

This valve control assembly replaces a failed gas/electric control valve to restore proper fuel or power delivery to the appliance's heating/burner circuit. It fits where the original control valve mounts and connects to the appliance harness. What it does:

• Controls flow of gas or electrical power to the appliance's burner/heater circuit
• Helps stop issues such as burners or oven not heating or failing to ignite
• Operates with the appliance's control signals to open and close the valve as needed
• Replaces a worn or malfunctioning valve to restore normal heating cycles

• One valve control assembly

• Disconnect all power (and gas supply if applicable) before starting work
• Follow OEM service manual for proper wiring and mounting; replacement requires matching connectors and orientation
• Inspect harness and connectors for damage and replace if corroded or cracked

The Oven Igniter is an OEM replacement part for GE ovens, designed to ignite the bake igniter to start the heating process. This part is responsible for creating the spark that ignites the gas, providing the heat needed to cook and bake food. Over time, the oven igniter can wear out or become damaged, which can prevent the oven from heating.

Symptoms of a bad Oven Igniter include:

• The oven not heating up at all.
• The oven taking longer than normal to heat.
• Gas smell in the oven due to gas being released without ignition.
• A clicking sound without the oven igniting.

Causes of a bad igniter can include normal wear and tear over time, exposure to excessive heat or moisture, or physical damage from impact or mishandling.

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

IMPORTANT: The connector plug may need to be cut off and igniter wires connected to range wires using porcelain wire connectors.

The Oven Igniter is an OEM replacement part for GE ovens, designed to ignite the bake igniter to start the heating process. This part is responsible for creating the spark that ignites the gas, providing the heat needed to cook and bake food. Over time, the oven igniter can wear out or become damaged, which can prevent the oven from heating.

Symptoms of a bad Oven Igniter include:

• The oven not heating up at all.
• The oven taking longer than normal to heat.
• Gas smell in the oven due to gas being released without ignition.
• A clicking sound without the oven igniting.

Causes of a bad igniter can include normal wear and tear over time, exposure to excessive heat or moisture, or physical damage from impact or mishandling.

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

IMPORTANT: The connector plug may need to be cut off and igniter wires connected to range wires using porcelain wire connectors.

This broil shield protects the oven interior above the broiler, helping direct heat and shielding the oven cavity from intense broiling temperatures for safer, more consistent broiling results. Durable metal construction resists warping. What it does:

• Shields the oven top and components from direct broiler heat to prevent damage and discoloration
• Helps maintain more even broiling by directing heat where food is placed
• Reduces the risk of flare-ups reaching wiring or insulation behind the oven liner
• Restores proper clearance between the burner and oven liner for safe operation

• One broil shield

• Disconnect power (and gas, if applicable) and allow the oven to cool completely before starting
• Remove oven racks and access the broiler area to unfasten and replace the shield using basic hand tools
• Inspect mounting tabs and surrounding liner; replace any damaged clips or screws as needed

This thermostat knob assembly replaces a worn or broken temperature control knob so you can select and hold the desired setting on your appliance. It restores a secure grip and smooth rotation for reliable temperature selection. What it does:

• Replaces damaged, cracked, or stripped temperature control knobs
• Provides a secure fit on the control shaft so settings stay in place
• Restores tactile control and makes temperature selection easier and more accurate
• Common signs you need this part: knob spins freely, slips, is cracked, or won't stay set

• One thermostat knob assembly

• Disconnect power to the appliance before starting any repair
• Pull the old knob straight off the control shaft; align splines and push the new knob firmly into place
• If the knob resists, verify shaft alignment and that no debris or broken pieces are blocking fit

This silicon controlled rectifier (SCR) switches and regulates power to heating elements and motors in compatible appliances, restoring controlled current flow for proper operation. It's a direct-replacement electronic switching component. What it does:

• Acts as a solid-state switch to control AC power to heater or motor circuits
• Helps regulate current during timed or thermostatic cycles
• Common replacement when appliance shows intermittent heating, no heat, or erratic motor control
• Replaces a failed/shorted SCR that can cause blown fuses or control board errors

• One silicon controlled rectifier (single SCR)

• Intended for technicians or experienced DIYers; disconnect power before servicing
• Verify correct SCR orientation and secure the 8-32 screw terminal; avoid overtightening
• Observe ESD precautions and handle the part by non-conductive areas