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Home/Washer & Dryer Parts/Washer Water Inlet Valve/AJU72911001
AJU72911001 Water Inlet Valve Assembly Compatible with LG, Replaces AJU72911001 WT-H550 DD Top Loader Washer Cold Water Valve
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Aftermarket Replacement · Factory Direct
OEM-compatible part built to original specifications. Not manufactured by or affiliated with the original equipment brand.

AJU72911001 Water Inlet Valve Assembly Compatible with LG, Replaces AJU72911001 WT-H550 DD Top Loader Washer Cold Water Valve

SKU: AJU72911001
Order within --:-- to ship today
Repair Time15-30 Minutes
DifficultyEasy
DIY FriendlyYes
Tools Needed
Phillips-head screwdriverFlat-head screwdriverAdjustable pliersTowel or shallow tray
Qty
Ships from China · 10–20 business days
No sales tax outside CA
or
AJU72911001 Water Inlet Valve Assembly Compatible with LG, Replaces AJU72911001 WT-H550 DD Top Loader Washer Cold Water Valve
In Stock

This Part Fixes These Problems

Washer Won't Fill

Cold water does not enter the tub at all or fills far below the selected level, causing cycle errors or incomplete washes.

Slow Fill / Low Flow

The drum fills very slowly during the wash or rinse cycle, extending run time and triggering IE water-supply error codes on LG DD top loaders.

Continuous Water Drip

Water trickles into the drum when the machine is idle (stuck-open solenoid), leading to mold, odor, and wasted water.

IE / 1E Error Code

The washer displays an IE or 1E fault, indicating insufficient water intake — often caused by a failed solenoid coil or mineral-clogged inlet valve screen.

Repair Guides

OEM vs Aftermarket Water Inlet Valve for LG Top Loaders: Honest Comparison (AJU72911001)
May 29, 2026
LG Washer Not Filling with Cold Water — 5 Causes & How to Fix
May 28, 2026
LG Top Load Washer Water Inlet Valve Parts — Models & Compatibility
May 28, 2026
How to Replace AJU72911001 Water Inlet Valve on LG Top Load Washer — Step-by-Step
May 28, 2026

Product Description

Why Choose Our AJU72911001 Cold Water Inlet Valve Assembly?

🔧
Built to OEM SpecificationsEngineered to match the original LG AJU72911001 solenoid valve dimensions, inlet fitting size, and coil voltage — drops in without modification to your WT-H550 or WTG6534W harness.
💧
Dedicated Cold-Water SolenoidSingle cold-water solenoid design precisely controls fill volume for each wash cycle phase, maintaining proper water pressure and preventing over-fill or under-fill conditions.
🛡️
Durable Seal MaterialsInternal rubber diaphragm and O-ring seals are manufactured from water-resistant elastomer compounds rated for long-term household water pressure (0.05–1.0 MPa) without cracking or mineral degradation.
⚡
Direct Wiring Harness CompatibilityConnector plug matches the original LG DD top loader wiring harness — plug-and-play installation with no splicing, taping, or adapter needed on compatible models.
🔩
Standard Hose Inlet FittingStandard-size threaded inlet accepts your existing 3/4" supply hose directly. No need to purchase new fill hoses unless the old hoses are cracked or hardened with age.
✅
Aftermarket Value — OEM PerformanceSave significantly compared to OEM list price while restoring your LG Direct Drive top loader to full operation. Each valve is tested for solenoid actuation and leak-free sealing before shipment.

💡 Pro Tip: Diagnosing a Faulty Cold Water Inlet Valve on LG DD Top Loaders

Your part is likely the culprit if you notice any of the following:

⚠️ Washer fills very slowly or stops filling mid-cycle

⚠️ Machine displays an error code related to water supply (e.g., IE / 1E on LG models)

⚠️ Cold water does not enter the tub even though hot water fills normally

⚠️ Water drips or trickles continuously into the drum when the washer is off (stuck-open valve)

🔍 Quick field test: Disconnect the cold-supply hose from the valve inlet and check water pressure at the tap — if pressure is fine but the tub won't fill, use a multimeter to check the solenoid coil resistance (typically 200–1000 Ω). An open circuit or shorted coil confirms valve failure. Also inspect the inlet mesh filter screen for mineral blockage before condemning the valve.

📦 What's in the Box

✅ 1× Cold Water Inlet Valve Assembly (AJU72911001 replacement, single solenoid, standard 3/4" hose inlet)

Questions & Answers

Is AJU72911001 the cold water valve or the hot water valve?
Answered by Support Team  ·  Mar 15, 2024
AJU72911001 is the cold water inlet valve assembly for LG Direct Drive (DD) top loader washing machines such as the WT-H550 series. The hot water inlet valve is a separate part with a different part number. Please confirm which valve you need by checking the label on the existing valve or your service manual before ordering.
Will this valve fix my LG washer showing an IE error code?
Answered by Support Team  ·  Nov 20, 2023
An IE (Inlet Error) code on LG top loaders commonly indicates insufficient water intake. Before replacing the valve, check that the cold water tap is fully open and the inlet mesh screen is not clogged with mineral deposits. If water pressure is adequate and the screen is clear, a faulty solenoid coil in the inlet valve is the most likely cause, and replacing it with this part typically resolves the IE error.
Does this replacement valve include the wiring harness connector?
Answered by Support Team  ·  Jan 8, 2025
The valve assembly uses the same connector as the original LG AJU72911001 and plugs directly into the existing machine harness — no adapters or splicing needed. However, a separate wiring pigtail harness extension is not included in this kit.
How do I test if my water inlet valve solenoid has failed before ordering?
Answered by Support Team  ·  Jul 22, 2024
Set your multimeter to the resistance (Ω) setting and place the probes across the solenoid coil terminals. A healthy coil typically reads between 200 Ω and 1000 Ω. An open-circuit reading (OL / infinity) means the coil has burned out and the valve must be replaced. Also check the inlet mesh screen for blockage — a clogged screen mimics valve failure and can be cleaned rather than replaced.
Is this part compatible with the LG WTG6534W model as well as the WT-H550?
Answered by Support Team  ·  Feb 10, 2026
Yes. Based on available parts data, AJU72911001 is listed as compatible with the LG WT-H550, WT-H550W1, and WTG6534W Direct Drive top loader models. We always recommend confirming your appliance model number against your service manual or the label inside the machine lid before installation to ensure correct fitment.

We typically respond within 1 business day. Include your appliance model number for the fastest answer.




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    Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.

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