LG Dishwasher Leaking or Won't Drain? Pump and Case Assembly ABT72989201 – Fix OE/LE Error Fast
If your LG dishwasher is leaking from the sump, throwing OE or LE error codes, or failing to drain and circulate water properly, the pump and case assembly is the most common cause. In most LG-built dishwashers, this integrated assembly houses both the circulation and drain pump functions — when the casing cracks or the pump fails, water escapes the sump, pressure drops, and the machine faults or stops mid-cycle. ⚡ Common failure point in LG LDP, LDT, LDF, LDPS, LSDF, and LSDT series dishwashers. Part ABT72989201 is the genuine OEM replacement that restores full pump function and a watertight sump seal — direct fit, no modification required.
❓ Is This the Right Part?
This is the correct fix if ALL of the following are true:
- ✔ Dishwasher powers on and attempts to run a cycle
- ✔ Water fills correctly — inlet valve and supply confirmed OK
- ✔ Drain hose and filter are clear of blockages
- ✔ OE, LE, or FE error present — or visible leak from sump/pump area
- ✔ ONLY problem is leaking, poor drainage, poor wash pressure, or pump-related error codes
Not sure? Send us your model number — we'll confirm before you order.
🔧 Common Symptoms
- OE error code — drain fault, most common customer search
- LE error code — motor or pump overload fault
- FE error code — overfill caused by pressure loss at pump casing
- Water leaking from under the dishwasher — sump or pump case seal failure
- Dishwasher stops mid-cycle — pump pressure loss triggers safety shutoff
- Poor cleaning performance — reduced circulation pressure from failed pump assembly
- Excessive noise or grinding from pump area — impeller or bearing failure within assembly
✔ If these symptoms match, this is the most likely failed component in the system.
✔ In most cases, replacing this pump and case assembly restores normal operation immediately.
📦 Part Details
- Part Number: ABT72989201
- Type: Integrated pump and case assembly — combined circulation pump, drain pump, and sump housing unit
- Replaces: OEM direct-fit assembly — supersedes ABT72989205, ABT72989203, 4681ED3001D, 4681ED3001E (no modification required)
- Brands: LG, Kenmore (verify by model number)
While the sump is open, inspect the door gasket and lower spray arm for wear or blockage — both are common secondary failure points that contribute to poor wash performance after a pump replacement. Addressing them now prevents a repeat service call.
⚙️ Installation
Skill Level: ADVANCED — 60–90 min DIY / 45–60 min Professional. Disconnect power and water supply before beginning. Lay the dishwasher on its back to access the sump from below; disconnect the wiring harness, drain hose, and circulation hose before unclipping and removing the pump and case assembly. Ensure all O-rings and hose clamps are fully seated on reassembly — any gap at the sump joint will result in a repeat leak.
💡 Pro Tip
Hard debris — broken glass, bone fragments, or gravel — is the leading cause of pump and case failure in LG dishwashers. Before installing the new assembly, flush the sump cavity thoroughly and check the new impeller for pre-existing chips. A contaminated sump will destroy a new pump assembly within weeks if not cleared completely.
✓ Model-Specific Repair Pages
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
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