XPARTCO 5221ER1003S Washer Water Valve
The XPARTCO 5221ER1003S is an aftermarket replacement cold water inlet valve for LG and select Kenmore front-load washers. This valve sits underneath the top panel, at the point where the cold water supply hose connects, and it's the gatekeeper for cold water entering the tub. When the control calls for a cold fill, it energizes the valve's solenoid to open, admitting water; once the correct level is reached, it closes again. This part controls the cold water side specifically — hot fills on these washers are governed by a separate valve.
Rated 12V and terminated with small male spade connectors, this valve measures approximately 4.75"H x 3.25"W x 2.25"L, with a gray plastic and metal housing. Over time, rust and mineral buildup inside the valve body — a documented failure point on this platform — can prevent it from sealing fully, which lets water continue flowing even after the valve is told to close. A washer that keeps filling even while draining, or that leaks steadily at the cold connection, is a strong sign of exactly this kind of stuck-open valve failure. Other failure modes include a burned-out solenoid coil and general wear from age. It directly replaces 4869496, AP6798394, PS12587936, and EAP12587936, and is also cross-referenced to the related 5221ER1003A part number.
Quick Answer
The XPARTCO 5221ER1003S Washer Water Valve fixes LG and select Kenmore front-load washers where cold water won't fill, fills slowly, keeps filling continuously (even while draining), or leaks at the water connection. 12V cold water inlet valve, small male spade terminals, 4.75"H x 3.25"W x 2.25"L. Replaces 4869496, AP6798394, PS12587936, EAP12587936. Rust and mineral buildup inside the valve body is a documented cause of it sticking open — check for rust at the connection before you order.
Common Problems This Part Fixes
- Washer won't fill with cold water at the start of the cycle
- Cold water fills much more slowly than it used to
- Washer keeps filling continuously, even while water is simultaneously draining out
- Water leaking steadily at the cold water connection point
- Visible rust or mineral buildup around the valve body or connection
- Cycle stalling at the fill step and never advancing to wash
- Water pooling underneath or behind the washer near the cold supply line
- Cold wash or cold rinse cycles specifically affected while other cycles run fine
Cross Reference Information
Part numbers can change over a product's lifecycle as manufacturers update designs or release new appliance models. For your convenience, we've included any known superseded, alternate, or cross-reference part numbers that match this item.
Replaces Part Numbers
This washer cold water inlet valve directly replaces the following OEM and cross-reference part numbers:
5221ER1003S, 5221ER1003A, 4869496, AP6798394, PS12587936, ALG51905, PD00057211, EAP12587936
If your part number is not listed above, contact our support team before ordering and we will verify compatibility.
Compatibility
This cold water inlet valve is compatible with select LG front-load washers, and also fits select Kenmore front-load washers built on the LG platform, including model numbers such as:
- LG WM4000HBA, WM4000HWA, WM3400CW, WM3470CW
- LG W3600HVA
- Kenmore WKE100HVA (select LG-built models)
Note — cold side only: This is the cold water valve. Some LG front-load washers use a separate hot water valve for the hot supply connection — if hot water fills normally but cold does not, this valve is the correct part; if the issue affects both hot and cold fills, the problem may lie elsewhere in the fill circuit. This valve is specific to LG's front-load platform and is not intended for top-load washers. Always verify your full model number before ordering. Contact our support team with your model number if you're unsure.
Key Features
- Aftermarket replacement cold water inlet valve for LG and select Kenmore front-load washers
- Resolves "won't fill with cold water," "fills slowly," "keeps filling continuously," and "leaking at the connection" symptoms caused by valve failure
- Rated 12V with small male spade terminal connections for a secure electrical fit
- Gray plastic and metal housing, approximately 4.75"H x 3.25"W x 2.25"L
- Direct drop-in replacement — mounts underneath the top panel at the original connection point
- Replaces 4869496, AP6798394, PS12587936, and EAP12587936
- Compatible with LG and select Kenmore front-load washers
- Aftermarket replacement built to OEM-equivalent quality standards
- Straightforward DIY repair using basic hand tools
Product Specifications
| Part Number |
5221ER1003S |
| OEM Part Number |
5221ER1003S (also 5221ER1003A) |
| Part Type |
Washer Water Inlet Valve — Cold |
| Condition |
Aftermarket Replacement |
| Brand |
LG |
| Application |
Front-Load Washers |
| Voltage |
12V |
| Electrical Connection |
Small male spade terminals |
| Color |
Gray |
| Material |
Plastic and metal |
| Height |
4.75 in. |
| Width |
3.25 in. |
| Length |
2.25 in. |
| Location |
Underneath the top panel, dispenser and control panel assembly |
| Quantity |
1 valve |
| Compatible Brands |
LG, select Kenmore |
Installation Notes
⚠️ Shut Off Water Supply And Unplug Washer Before Starting — Have A Towel Ready Unplug the washer and shut off the cold water supply valve before beginning. Wear work gloves. Pull the washer away from the wall for access. Unthread the cold water supply line from the back of the valve first — have a towel ready, since residual water will spill out. Unthread the two screws securing the top panel, then slide the panel back and lift it off to access the valve assembly underneath. Photograph the wiring connections before disconnecting anything. Disconnect the spade terminal wire connectors from the old valve, remove its mounting screw or bracket, and pull the valve free. While it's out, inspect the area for rust or mineral scale, and clean the connection point if needed before installing the new valve. Install the new 5221ER1003S in the same position, reconnect the spade terminals, and secure the mounting hardware. Rethread the cold water supply line onto the new valve, tightening securely. Reinstall the top panel and its two screws. Restore the water supply and power, then run a short cycle and confirm the tub fills at the normal rate with no leaking underneath or behind the washer. Tools needed: channellock pliers, flathead screwdriver, pliers, drill/driver with a Phillips bit, towel, work gloves.
Frequently Asked Questions
My washer keeps filling even while it's draining. Is that this valve?
Yes, this is a well-documented failure mode on this platform. Rust and mineral buildup inside the valve body can prevent it from sealing fully closed, so water keeps trickling or flowing into the tub even after the fill portion of the cycle has ended — sometimes enough to keep pace with draining, making it look like the washer is filling and draining simultaneously. If you open up the top panel and see rust around the valve, that strongly confirms this diagnosis.
Cold water won't fill but hot water works fine. Is this the right part?
Yes — this valve controls cold water specifically, and some LG front-load washers use a separate valve for the hot supply. If cold-specific cycles are failing while hot water fills normally, this cold valve is the correct part to replace.
I see rust on my old valve but it isn't leaking yet. Should I still replace it?
It's worth strongly considering. Rust and mineral buildup on this valve is a known precursor to it sticking partially open, which can lead to continuous filling, water waste, and potential water damage if it isn't caught. If you're already inspecting the area and see corrosion forming, replacing the valve proactively is often cheaper and easier than dealing with an active leak later.
What's the difference between 5221ER1003S and 5221ER1003A?
These are cross-referenced as the same valve — 5221ER1003A appears on some parts diagrams and listings as an alternate or prior designation for the identical part. If your washer's diagram shows either number, this listing is the correct replacement.
Is this an OEM or aftermarket part?
This is an aftermarket replacement part built to OEM-equivalent quality standards. It is not a genuine LG OEM part, but is manufactured to match the 12V solenoid design, spade terminal connections, and dimensions of the original 5221ER1003S cold water valve used in compatible LG and Kenmore front-load washers.
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