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LRE30451SB (AB1LLGA) LG Range - Overview

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Microwave Thermostat – Part Number: 6930W1A003X
$21.45
In Stock
Microwave Thermostat
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(12)
Part #6930W1A003X
The range thermostat is also commonly known as a stove, oven, cooktop, or range thermal fuse. This thermostat protects your oven from excessive heating, and will shut the oven heat off if excessive heating is detected. This is a genuine part sourced directly from the original manufacturer. You may need to replace this part if your appliance will not heat properly. It is made of metal and is approximately 1 inch in diameter. This part is sold individually. It is recommended to order a spare, especially if you commonly use the self-cleaning function in your oven.
Temperature Sensor – Part Number: EBG61305805
$75.13
In Stock
Temperature Sensor
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(3)
Part #EBG61305805
This temperature sensor, also known as a thermistor, is compatible with various makes and types of appliances. This thermistor uses electrical currents to detect the interior temperature of the appliance it is in and by working with the control board, the board adjusts the level of cooling or heating through its heating or cooling element, depending on what is needed. If your appliance is being improperly heated or cooled, the temperature sensor may be to blame, and can be tested with a multimeter to check for continuity to see whether it is defective. Check your user manual for exact placement of this thermistor and any diagnostic information.
FOOT – Part Number: 4778W1N001B
$21.45
In Stock
FOOT
★★★★★
★★★★★
(1)
Part #4778W1N001B
This is a genuine OEM leveling leg for various models of LG ranges. This leg is used to stabilize and support the range, and if damaged, broken, or missing, will cause your range to rock back and forth. Installing this leg simply requires you to lift on the corner you are installing it under, and then screw it in place until your range is stable. This approximately 2-inch leveling leg is sold individually, so if your range has multiple legs that are broken or missing, consider how many legs you need to order.
SHELF – Part Number: MHL39256107
$54.24
In Stock
SHELF
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★★★★★
(2)
Part #MHL39256107
Upgrade your oven with this durable gliding shelf rack, designed to provide a stable surface for baking, roasting, and broiling. Its smooth sliding design makes it easy to insert and remove dishes, offering convenience and efficiency during cooking. Built to support heavy cookware, this rack measures approximately 24 3/8" x 16 1/2" and features a sturdy construction for long-lasting performance. Cleanup is simple thanks to its smooth finish, making it a practical and reliable addition to your kitchen. Installation is quick—just slide the rack into the designated oven supports for immediate use.
WINDOW,GLASS – Part Number: 4890W1N009H
$113.13
In Stock
WINDOW,GLASS
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★★★★★
(3)
Part #4890W1N009H
This transparent inner door glass is designed for LG range ovens and serves as a key component in maintaining heat insulation while allowing visibility into the oven during cooking. Made from heat-resistant material, it helps retain internal temperatures for consistent baking and roasting performance. Replacing a damaged or cracked inner glass restores the oven’s energy efficiency and ensures safe operation. This OEM replacement part is manufactured to fit specific LG models and is intended for use when the original glass is chipped, broken, or compromised. Installation typically involves removing the oven door, disassembling the inner panel, and securely fitting the new glass in place. Always confirm your oven model before installation to ensure compatibility.
Range Oven Relay Control Board – Part Number: 6871W1N012B
$162.47
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Range Oven Relay Control Board
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Part #6871W1N012B
The sub PCB assembly (also referred to as a relay board), is a part for your range. If your oven is overheating, this might indicate that your sub PCB assembly needs to be replaced. You will need a Phillips screwdriver to remove the screws securing the upper rear access panel brackets. Also, remove the screws securing the panel and detach. Take note of how the wires are currently connected to the board. This board is held in place by screws and can be removed. You will then need to release the retaining clips to release the entire board. The new sub PCB assembly should snap into place.
Radiant Heater – Part Number: 5300W1R004A
$130.18
In Stock
Radiant Heater
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(1)
Part #5300W1R004A
This radiant heater may also be known as a radiant surface element and is a part for your range. The function of this heater is to supply heat to the cooking area that is on the top of the range. This piece is roughly 9 inches long, and 7 inches wide. The most common symptom for needing to replace your radiant heater is if your burner is not heating. Before replacing this part, it is always a good idea to test it for continuity. To make this installation you will need a Phillips screwdriver, and a 14-inch nut driver.
Common Nut – Part Number: 1NHB0500032
$13.92
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Common Nut
Part #1NHB0500032
Screw – Part Number: 1TTL0402622
$21.45
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Screw
Part #1TTL0402622
Heater,Radiant – Part Number: 5300W1R008A
$320.41
In Stock
Heater,Radiant
Part #5300W1R008A
This radiant surface element is a genuine OEM replacement for select LG electric ranges, designed to generate heat beneath the glass cooktop for a single burner. It ensures fast, even heating for efficient cooking and restores proper performance when an existing element is worn or damaged. Common signs of failure include burners that heat slowly, unevenly, or not at all, or visible damage to the element. Replacing this part helps maintain consistent cooking results and reliable operation. For safety, disconnect power before installation and handle the component carefully to avoid damage.
SWITCH,TACT – Part Number: EBF60663403
$43.18
In Stock
SWITCH,TACT
Part #EBF60663403

Common Symptoms of the LRE30451SB

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Oven would initially start to heat up but would not hold its temp
6 of 8 people found this instruction helpful.
  • Leonard from Plano, TX
  • Really Easy
  • 15 - 30 mins
  • Pliers, Screw drivers
I searched online and found someone that seemed to have the exact problem. That person had replaced the lower burner and the same PCB board I replaced. I was able to test the lower burner without removing it and it tested OK. The PCB board in the article I had checked was burned and obviously bad but mine was not. I took a chance and ordered just the PCB board. I replaced this board and the oven now works perfectly. I seems this board was not turning on the bottom burner but the system thought it was working fine.
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Glass heating element not working
2 of 2 people found this instruction helpful.
  • Paul from TRUMBULL, CT
  • Very Easy
  • 30 - 60 mins
  • Socket set
Very easy.1: Shut power to stove.
2: Remove 3 hex screws from oven to range top at underside of top.
3: Raise to from front and disconnect multi- connector at right rear of top.
4: flip over top and demoed 4 screws on hold down strap at each side.
5: Remove element from under strap.
6: Disconnect element from wir es./ remember where wires were connected. Connect multi connected from stove.
7: Replace strap and flip top, screw it back on, put power back on.
Only about 30 minutes even if you get a coffe break. Don’t even have to move stove.
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Thermostat needed to be replaced
8 of 27 people found this instruction helpful.
  • Denise from NORTH BEACH, MD
  • Really Easy
  • Less than 15 mins
  • Screw drivers
We had made this determination with the help of a repairman on the phone. I ordered the part and waited for it. It was stuck in West Virginia. After several days after it was expected a repairman fixed my range to the tune of $168. It should have cost $30 (the cost of the part and shipping).
Unfortunately I probably won't order from PartSelect again.
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