LG LFX28978SW/01 refrigerator Parts

The LG LFX28978SW French door refrigerator measures 35 3/4 in. wide x 35 3/8 in. deep x 70 in. high (cabinet dimensions). For planning door swing and installation space, use the full specs in the LFX28978SW owner's manual.

Key dimensions and what they mean

Here are the most-used measurements from the specifications section:

Measurement	Size
Width	35 3/4 in.
Depth (cabinet)	35 3/8 in.
Height	70 in.
Depth with door open	47 5/8 in.

Space and clearance tips (so it fits and works right)

We recommend planning for both the refrigerator footprint and the space needed to open doors and drawers.

• Allow at least 24 in. of clearance in front so the doors can open.
• Leave space around the cabinet for airflow; tight installs can reduce cooling performance.
• Avoid installing near heat sources or in direct sunlight.
• Level the refrigerator using the height-adjusting screws to reduce vibration and noise.
• If you are connecting water for the ice maker and dispenser, place it near a water supply.

Why it matters

Using the correct width, depth, and door-open depth helps prevent delivery day surprises, protects flooring and cabinetry, and ensures the LG cooling system can ventilate properly for stable temperatures.

Last updated: February 2026

For the LG LFX28978SW refrigerator, the most common issue customers report is a cooling problem: the fresh food section warms up, temperatures swing, or the unit stops cooling consistently. The next most common trouble spots are ice maker and water dispenser problems, often tied to airflow, defrost, or water supply components.

Most common symptoms to watch for

• Refrigerator section warm but freezer still cold
• Compressor runs too often, too long, or cycles on and off
• Clicking, buzzing, or unusual running noises
• Ice maker stops making ice or makes small/hollow cubes
• Water dispenser flow is slow or stops
• Frost buildup that restricts airflow

Quick checks we recommend first (before replacing parts)

Use the LFX28978SW owner's manual troubleshooting section to match symptoms to causes, then start with these basics:

• Confirm temperature settings and allow 24 hours after changes.
• Make sure doors close fully and gaskets seal all the way around.
• Avoid blocking vents with food packages (airflow issues mimic “no cooling”).
• Clean dust from the condenser area; restricted heat release can cause long run times.
• If a diagnostic code appears on the display, write it down and follow the service guidance in the manual.

Common causes and related parts (when symptoms point there)

Symptom	Common cause	Example part for this model
Interior lights act up; unit thinks door is open	Door switch not closing reliably	Refrigerator door switch 6600JB1010A
Water dispenser weak; ice maker slow	Water supply restriction or valve issue	LG refrigerator water inlet valve AJU72992601
Puddles or water under crisper/freezer	Drain system icing or blockage	Refrigerator drain tube 5251JA3003D

Why it matters

Cooling problems can quickly lead to food spoilage and can also trigger secondary issues like frost buildup and poor ice production. Starting with airflow, door sealing, and basic maintenance helps you avoid replacing parts that are not actually causing the problem.

Last updated: February 2026

Most LG refrigerators last 10 to 15 years with normal home use. For the LG LFX28978SW, consistent care (cleaning, correct temperatures, and good door sealing) is what typically pushes lifespan toward the high end; see the LFX28978SW owner's manual for model-specific care and cleaning guidance.

What affects lifespan the most

• Condenser cleanliness: dust buildup makes the compressor work harder.
• Door seal condition: warm air leaks increase run time and frost.
• Temperature settings: steady temps reduce cycling stress.
• Ice maker and dispenser use: heavy use increases wear on moving parts.
• Water quality and filter changes: helps prevent valve and tubing issues.

Maintenance schedule we recommend

Task	How often	Why it matters
Clean condenser area and vents	Every 6 to 12 months	Reduces heat load and compressor run time
Check door gaskets for gaps/tears	Every 3 to 6 months	Prevents moisture, frost, and warm spots
Replace water filter (if used)	About every 6 months	Protects water flow and ice quality
Empty and clean drip trays/bins	As needed	Helps prevent odors and leaks

Parts that commonly impact “how long it lasts”

If you are troubleshooting wear items on the LFX28978SW, these model-matched parts are often involved:

• Refrigerator door switch 6600JB1010A (light and door-closed sensing)
• Refrigerator door gasket, right ADX73550625 (air sealing)
• Refrigerator ice maker assembly AEQ73110205 (ice production)
• LG refrigerator water inlet valve AJU72992601 (water supply to ice maker/dispenser)

Why it matters

A refrigerator can still “run” past 10 years, but efficiency and temperature stability usually decline first. Keeping airflow clear, seals tight, and the water system maintained helps the sealed system and compressor avoid unnecessary strain.

Last updated: February 2026