LG 6323A20004P NTC Thermistor OEM Replacement Part — main product image

LG 6323A20004P NTC Thermistor OEM Replacement Part

LG 6323A20004P NTC Thermistor OEM Replacement Part

Name: LG 6323A20004P NTC Thermistor OEM Replacement Part
Brand: LG
SKU: 6323A20004P

★★★★★3.6 (8 reviews)

Restore accurate temperature sensing to your LG appliance with this OEM-authorized NTC thermistor — the exact part the factory installed.

$13.82*

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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

The LG 6323A20004P is an OEM-authorized NTC thermistor replacement for LG refrigerators, freezers, and ice makers. In these appliances, the thermistor functions as the primary temperature-sensing element: its resistance value changes predictably with temperature, and the main control board uses this reading to regulate the compressor run time, evaporator fan, and defrost cycle. When the thermistor drifts out of specification or fails outright, the control board operates on incorrect temperature data — producing symptoms that range from compartment temperature swings to persistent error codes and compressor short-cycling.

As an OEM-authorized component, this part carries LG's original part number and is manufactured to the same NTC resistance curve and dimensional tolerances as the original factory-installed sensor. That matters in a temperature-sensing application: generic NTC thermistors may share the same physical form but differ in their resistance-temperature relationship, causing the control board to read temperatures as higher or lower than actual. Installation requires disconnecting the wiring harness, removing the thermistor from its bracket or sleeve, and reversing the process with the replacement — a task manageable for confident DIY appliance repair, but one that warrants consulting the model-specific service manual for routing and mounting details.

Key Features

This is an O.E.M. Authorized part

Fits with various lg brand models

Oem part # 6323A20004P

Specifications

Brand

Part Number

6323A20004P

Part Type

NTC Thermistor

Sensor Technology

Negative Temperature Coefficient (NTC)

Compatibility

Various LG brand models

Authorization

OEM Authorized

Pros & Cons

👍 Pros

OEM-authorized part number guarantees exact resistance specifications matching the original factory component
Direct plug-in wiring harness connector eliminates any fitment ambiguity during installation
Restores precise temperature regulation that generic NTC alternatives may only approximate
Sourcing through authorized channels ensures correct NTC curve characteristics for LG's control board calibration
Resolves temperature-related error codes and compressor cycling issues caused by sensor drift or failure

👎 Cons

Compatibility is limited to specific LG models — the part number must be verified against your exact unit before ordering
No installation instructions are included in the package; service manual access is required for proper installation guidance
Thermistor failure diagnosis requires a multimeter and knowledge of NTC resistance curves — visual inspection alone is insufficient
Does not address underlying causes of thermistor failure such as moisture ingress or connector corrosion at the harness terminal
Single-component part — if the control board itself has failed, replacing only the thermistor will not resolve the fault

Frequently Asked Questions

What does this thermistor actually do inside an LG appliance?

An NTC (Negative Temperature Coefficient) thermistor is a resistive sensor whose electrical resistance decreases as temperature rises. The appliance's control board reads this resistance to determine compartment temperature and regulate the compressor, defrost cycle, and fan accordingly. A failed thermistor causes the board to misread temperature, leading to over-cooling, under-cooling, or error codes.

How do I confirm this part fits my specific LG model?

Cross-reference the OEM part number 6323A20004P against your appliance's service manual or the parts label inside the unit (typically found on the inside wall of the cabinet). LG's part lookup tool on their support site also accepts the model number and returns compatible part numbers.

Is this an aftermarket equivalent or the original manufacturer part?

This is an OEM-authorized part carrying LG's part number 6323A20004P. OEM authorization means it meets the same electrical and dimensional specifications as the component originally installed on the assembly line — not a generic substitute rated to approximate tolerances.

Can I replace this thermistor myself, or does it require a technician?

The physical replacement is typically low-complexity — the thermistor clips into a bracket or slides into a sleeve and connects via a two-wire harness. However, correct diagnosis matters more than the swap itself. Use a multimeter to measure resistance at a known temperature and compare against the NTC curve for this part before assuming the thermistor is the failure point.

What symptoms indicate a failed thermistor in an LG refrigerator or freezer?

Common indicators include inconsistent compartment temperatures, error codes on the display (LG typically uses codes like Er FF or Er rF for sensor faults), compressor running continuously, or a defrost cycle that fails to initiate on schedule. These symptoms can also have other causes, so electrical diagnosis should precede parts ordering.