LG LFX31925SB/00 refrigerator Parts

For LG refrigerators like model LFX31925SB, the most common service issue we see is a cooling failure (fresh food section warm, freezer warming, or both). The most frequent root causes are sealed-system/compressor-related problems, airflow restrictions, or defrost system faults; the LFX31925SB owner's manual helps you confirm settings and basic checks.

Most common symptoms customers report

• Refrigerator not cooling or temperature swings
• Clicking, buzzing, or repeated start attempts from the back of the unit
• Frost buildup on the rear freezer panel (airflow blocked)
• Ice maker slows down or stops because the freezer is too warm
• Water dispenser flow gets weak (often filter or valve related)

Quick checks we recommend first (before replacing parts)

1. Confirm temperatures: set refrigerator to about 37°F and freezer to about 0°F.
2. Check door sealing: make sure doors close fully and gaskets are clean.
3. Clean condenser area: dust buildup reduces heat removal and can cause warm temps.
4. Listen for fans: evaporator fan noise changes when you open and close the door.
5. Look for frost patterns: heavy frost often points to a defrost or airflow issue.

Parts that commonly relate to “not cooling” on this model

If your LFX31925SB is warm, these parts are often involved in diagnosis and repair:

Symptom	Common area	Example part on this model
Warm temps, long run time	Sealed system	Refrigerator compressor TCA38091801
Poor heat removal, cabinet warm	Condenser system	Refrigerator condenser coil ACG73645004
Frosted evaporator cover, airflow weak	Defrost sensing	Refrigerator defrost sensor assembly 6615JB2005R

Why it matters

Cooling problems can cascade into food spoilage, ice maker failures, and higher energy use. Catching airflow, coil, and defrost issues early often prevents longer, more expensive repairs.

Helpful DIY guidance

• Use our step-by-step tips in LG bottom freezer refrigerator error codes if your display shows an error.
• If the issue is water or ice related, how to prevent water dispenser and ice maker problems helps reduce repeat clogs and slow flow.

For replacement parts for LG LFX31925SB, order from the parts list for this model or search by model number on Sears PartsDirect.

Last updated: February 2026

Bottom-freezer refrigerators like the LG LFX31925SB put fresh food at eye level, but the tradeoffs are higher purchase cost, more bending to reach frozen items, and deep freezer drawers that can be harder to organize. They can also be more prone to drain and ice buildup issues if maintenance is skipped.

Common disadvantages (what you will notice day to day)

• More bending and lifting: you reach down for frozen foods, and heavy items can be awkward to lift out.
• Deep drawer organization: items stack and get buried, so it is easier to forget what is in the back.
• Freezer access is less convenient: if you use the freezer constantly, the lower position can feel slower.
• Potential for puddles or ice buildup: clogged defrost drains or door seal gaps can lead to water under drawers.
• Often higher upfront cost: bottom-freezer designs typically cost more than comparable top-freezer models.

Maintenance-related downsides (and how to reduce them)

Bottom-freezer units rely on good airflow, clean drainage, and tight door seals. These steps prevent many of the common complaints:

• Keep door gaskets clean and make sure doors close fully.
• Do not overpack the freezer drawer; leave space for airflow.
• Clean spills quickly so they do not freeze into the drawer tracks.
• Replace the water filter on schedule if you have a dispenser.

Quick reference: downside vs. what helps

Disadvantage	What helps most	Typical symptom
Bending for frozen food	Store heavy items in baskets near the top	Back strain, awkward lifting
Drawer clutter	Use bins and label sections	Food gets lost, freezer burn
Drain or ice issues	Keep drain area clear; avoid leaving doors ajar	Puddles, ice under drawer
Water/ice system upkeep	Regular filter changes and purging air	Slow dispense, small cubes

Why it matters

Most “bottom freezer problems” are really usability and maintenance issues. When the freezer drawer is organized and the defrost drain stays clear, you get the main benefit: fresh-food storage at eye level with stable temperatures.

For model-specific features and care guidance, use the owner's manual. For water system upkeep tips, see how to replace the water filter in an LG refrigerator. If you need a replacement filter for this model, we stock the LG kenmore refrigerator water filter ADQ36006101. You can also search parts by model on Sears PartsDirect.

Last updated: February 2026

LG refrigerators typically last 12 years. For an LG LFX31925SB bottom-mount refrigerator, we see a practical lifespan range of 10 to 15 years when basic maintenance is kept up and airflow, temperatures, and door sealing stay in spec; details for your exact model are in the LFX31925SB owner's manual.

What affects lifespan the most

A refrigerator’s life is usually decided by heat management, door sealing, and how hard the sealed system has to work.

• Keep the condenser area clean so the compressor runs cooler and cycles normally
• Maintain steady settings (about 37°F fresh food, 0°F freezer)
• Avoid overpacking; blocked vents cause warm spots and longer run times
• Keep doors closing tightly; fix alignment and gasket issues quickly
• Replace water filters on schedule to protect the dispenser and ice maker flow

Quick maintenance checklist (best return on effort)

• Vacuum dust from the condenser area regularly
• Confirm doors self-close and the seals grip paper all the way around
• Level the cabinet so doors hang correctly
• Keep the freezer drawer tracks clean so it closes fully
• Change the water filter and flush the dispenser after replacement

Common “end-of-life” symptoms vs. fixable issues

Symptom	Often fixable?	What it usually points to
Warm fridge, freezer OK	Yes	Airflow or damper/fan issue
Both sections warm	Sometimes	Sealed system or compressor problem
Water/ice slow or stops	Yes	Filter, valve, tubing restriction
Puddles inside or under unit	Yes	Drain or defrost water routing issue

Why it matters

When a refrigerator runs hot or leaks air, the compressor and cooling system work longer and harder. That extra runtime is what shortens lifespan most, so small maintenance steps can add years.

Parts that commonly support longevity

If you are troubleshooting cooling or water issues on this model, these are common wear items we stock:

• Refrigerator condenser coil ACG73645004 (helps the unit shed heat)
• Refrigerator compressor TCA38091801 (core cooling component)
• LG kenmore refrigerator water filter ADQ36006101 (protects water flow and taste)

You can order replacement parts for LG LFX31925SB from the parts list for this model, or search by model number on Sears PartsDirect.

Last updated: February 2026