LG Part LG5751XKW1 — What It Is and How to Verify or Replace It

Understanding the Problem

Brief explanation: I could not find a definitive match for the exact part number "LG5751XKW1" in common LG/OEM part databases. That usually means the number is mis-typed, truncated, a factory/internal code, or the part has been discontinued/relabelled. Below are step-by-step diagnostics and repair actions you can take to identify and replace the correct part. 1) Confirm appliance model and part label - Locate your appliance model and serial number (usually on a tag inside the door opening, on the back, or behind a kick panel). Record the full model (e.g., "LG WM3900HWA"). - Find the physical part and read the label. Take a clear photo of any engraved/sticker number on the part and the surrounding area. 2) Verify the exact part number - Enter the appliance model and the photographed number on the official LG parts site or a reputable parts reseller (RepairClinic, PartSelect, AppliancePartsPros). - If the number you typed is incomplete or has extra characters, try variations (5751 vs. 5751X vs. 5751XKW1). Many LG parts use prefixes like 6871, 6931, 6600, etc. 3) Identify the component by appearance and function - Compare your photos to images on parts sites to identify what the part actually is (e.g., thermal fuse, heater assembly, control board, door lock, water inlet valve, igniter). - Note where the part sits and what it connects to (electrical harness, gas line, vent, water hose). That tells you what system it belongs to. 4) Test the suspected part (basic electrical checks) - Unplug the appliance and turn off the water/gas as appropriate. - Use a multimeter set to continuity/ohms to check obvious suspects: fuses should have near-zero ohms; heater elements should show continuity but not short to ground; thermostats/thermistors show resistance values per service manual. - Look for visible damage: burns, breaks, melted connectors, or corrosion. 5) Order the correct replacement - Once you confirm the correct OEM part number from the model-specific parts diagram, order the OEM part or a high-quality aftermarket equivalent. Keep photos and the old part until the new part arrives. 6) General replacement steps (how to fix) - Safety first: unplug appliance, turn off gas supply for gas appliances, and shut off water supply for washers/dishwashers. - Gain access: remove the appropriate panels (top, rear, front, kick panel) using the correct screwdrivers. Keep screws organized. - Disconnect wires/harnesses: label connectors or take photos for reassembly. Depress locking tabs — do not pull on wires. - Remove the failed part: unbolt or unclip the component and remove it. - Install the new part: reverse the removal steps, ensure gaskets/seals are in good condition and routed correctly, tighten mounting hardware to snug (do not over-torque plastic tabs). - Reassemble and test: restore power/gas/water and run a short test cycle to confirm the repair. Safety note: If you are unsure about handling electrical or gas components, or if the appliance involves sealed refrigerant systems or high-voltage capacitors, stop and contact a qualified appliance technician. Always disconnect power before doing any work.

Common Symptoms

People search for part numbers like this when an LG appliance shows failure of a specific component: no heat (dryer/oven), no power/no control response, leak or no water (washer/dishwasher), motor not running, door lock failure, or visible burnt/broken parts.

Common Causes

• Typo, truncated, or internal factory code — the number isn’t the public OEM part number.
• Part discontinued or re-labeled by LG; older parts can have legacy codes.
• Aftermarket or third-party sticker over the original number that confuses identification.

Popular Parts That Fix This Problem

These are the most common replacement parts that fix this problem. When you're ready to order, click below to find the right part at ProsourceParts.com — just search by your appliance model number for a guaranteed fit.

Frequently Asked Questions