Dishwasher Leaking From the Door? LG Door Gasket 3920DD3005H – Fix Door Leaks Fast
A leaking dishwasher door is almost always a failed door gasket — and every cycle pushes more water onto your floor. In most LG and Kenmore dishwashers, the tub door gasket runs the full perimeter of the tub opening and compresses against the door on every cycle. When it cracks, warps, or pulls away from the channel, water escapes and damages cabinets, subfloor, and anything stored underneath. ⚡ Common failure point in LG-built dishwashers. Part 3920DD3005H is the genuine OEM replacement that restores a watertight door seal and stops leaks immediately.
❓ Is This the Right Part?
This is the correct fix if ALL of the following are true:
- ✔ Dishwasher powers on and runs cycles normally
- ✔ Spray arms, pump, and drain function correctly
- ✔ Water supply and inlet valve confirmed OK
- ✔ ONLY problem is water leaking around or below the door
Not sure? Send us your model number — we'll confirm before you order.
🔧 Common Symptoms
- Water pooling on the floor during or after a wash cycle
- Visible cracks, tears, hardening, or deformation in the door seal
- Gasket pulling away from the tub channel or door lip
- Mold or mildew buildup along the gasket channel
- Door difficult to close or not latching firmly due to gasket deformation
- Musty odour from moisture escaping the tub
✔ If these symptoms match, this is the most likely failed component in the system.
✔ In most cases, replacing this door gasket restores normal operation immediately.
📦 Part Details
- Part Number: 3920DD3005H
- Type: Door Tub Gasket — one-piece molded perimeter seal, press-fit/channel-seated
- Replaces: 3920DD3005A, 3920DD3003A, 39232533, 14693
- Brands: LG, Kenmore (LG-platform)
- Condition: New Genuine OEM
Before installing the new gasket, check the door latch and door alignment. A worn latch or misaligned door prevents the gasket from sealing fully — installing a new gasket on a misaligned door causes immediate leaks and premature failure. Replacing the latch at the same visit eliminates both common causes of LG dishwasher door leaks in one service call.
⚙️ Installation
Skill Level: EASY — 30–45 minutes. Disconnect power before servicing. Pull the old gasket out of the retaining channel starting at a corner and clean the channel thoroughly. If the new gasket is stiff from cold storage, soak in warm water for 5–10 minutes before installing. Press the new gasket into the channel starting at the top centre, working outward to the corners — no twists, no folds. Run a rinse-only test cycle first and watch the door perimeter for leaks before running a full load.
✓ Compatible Models
Confirmed compatible with LDF6810ST, LDF6920ST, LDF7551ST, LDF7774ST, LDF7810ST, LDF7811ST, LDF7932ST, LDF8072ST, LDF8764ST, LDF8812ST, LDF8874ST, LDF9810ST, LDF9932ST, LDS4821ST, LDS5040ST, LDS5540ST, LDS5560ST, LDS5774ST, LDS5811ST, LDT9965BD, LSDF795ST, LSDF995ST, LSDF9962ST, LSDF9969BD, LD6090BB, LD6100BB, LD6105BB, LD6300BB, LD6310TB1, D1401TB, D1607BB, D1608BB, D1613BB plus additional LG and Kenmore models. Contact us to verify your model number before ordering.
💡 Pro Tip
An estimated 30% of "leaking gasket" calls are actually caused by a misaligned door — not a failed seal. Before installing the new gasket, close the door and check that the gap between door and tub is even all the way around. If it's wider at the top or bottom, adjust the door hinges or leveling legs first. Also test the door latch — if it doesn't pull the door firmly closed, the gasket can't seal regardless of condition. Fixing alignment and latch at the same visit eliminates the two most common causes of LG dishwasher door leaks.
✅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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