Dishwasher Not Draining? Drain Pump ABQ75742501 – Fix Standing Water Fast

Standing water at the bottom of your LG dishwasher after a cycle is almost always a failed drain pump. In most LG dishwashers, this is caused by a seized or burned-out drain pump motor assembly. When it fails, water cannot be expelled at the end of the cycle — leaving dishes sitting in dirty water, triggering error codes, and preventing the next cycle from starting. ⚡ One of the most common failure points in LG dishwashers. Part ABQ75742501 is the genuine OEM drain pump assembly that restores full drainage immediately upon installation — direct drop-in, no modifications required.

❓ Is This the Right Part?

This is the correct fix if ALL of the following are true:

• ✔ Dishwasher powers on and cycle runs normally until the drain phase
• ✔ Water supply and inlet valve are confirmed working
• ✔ Drain hose is not kinked, clogged, or improperly routed
• ✔ Filter and sump area have been cleaned and are clear of debris
• ✔ ONLY problem is water remaining in the tub after the cycle ends

Not sure? Send us your model number — we'll confirm before you order.

🔧 Common Symptoms

• Standing water at the bottom of the dishwasher after every cycle — most common complaint
• Dishwasher stops mid-cycle and won't complete the drain phase
• OE error code displayed on the control panel (drain error)
• Humming or grinding noise during the drain cycle with no water movement
• Dishes are wet and dirty — cycle appears to run but water never drains
• Dishwasher won't start a new cycle because previous water wasn't expelled

✔ If these symptoms match, this is the most likely failed component in the system.

✔ In most cases, replacing this drain pump assembly restores full drainage immediately.

📦 Part Details

• Part Number: ABQ75742501
• Type: Dishwasher drain pump motor assembly — OEM direct fit
• Replaces / Superseded By: ABQ75742505 (current supersession — no modification required)
• Brands: LG

⚙️ Installation

Skill Level: MODERATE — 30–45 minutes. Disconnect power and turn off the water supply before beginning. Remove the lower spray arm, filter assembly, and sump cover to access the pump housing. Twist the old pump counterclockwise to unlock and pull free, transfer any wiring connectors to the new unit, seat the new ABQ75742501 and twist clockwise to lock, then reassemble in reverse order. Do not overtighten the sump cover — hand-snug is sufficient to maintain the seal.

✓ Compatible Models

Confirmed compatible with select LG dishwasher models. Contact us to verify your model number before ordering.

Browse related LG parts and model hubs: LG Dishwasher Parts, LG Appliance Parts.

💡 Pro Tip