Parts for Lg LDTH5554D: Sump Assembly Parts

Dissolves limescale, mineral deposits, and odor-causing residues from dishwasher tub and spray system. Use monthly to maintain peak cleaning performance.

Check valve that prevents water backflow in the appliance's supply line, helping restore proper water flow to the ice maker or dispenser. Replaces a failed valve to address leaking, slow fills, or no-fill conditions. What it does:

• Stops reverse flow in the water line so water only moves toward the dispenser or ice maker
• Helps prevent water leaks and cross-contamination of the supply line
• Common symptom fixes: intermittent or no water to ice maker/dispenser, weak fills, or water pooling
• Fits inline with existing water tubing and works with the appliance's fill system

• Shut off water supply and unplug the appliance before replacing the valve
• Confirm tubing size and orientation before installation; install with correct flow direction
• Tighten fittings to prevent leaks but avoid overtightening plastic fittings

The Diverter Motor Assembly is an OEM part for LG dishwashers. It is a critical component used to control the direction of water flow within the dishwasher, ensuring that water is properly diverted between the different spray arms during various wash cycles.

Symptoms of a failing Diverter Motor Assembly include:

• Inadequate cleaning of dishes, with some areas remaining dirty
• Unusual noises, like humming or clicking, indicating the diverter motor is struggling to operate
• Error codes displayed on the dishwasher that relate to water distribution problems
• Water not reaching all spray arms

Causes of a bad diverter motor can include wear and tear from regular use, electrical issues such as faulty wiring or motor failure, and mechanical obstructions or debris that prevent the diverter from moving smoothly.

This OEM LG part is also compatible with Sears/Kenmore models.

The Micro Switch is an OEM part for LG dishwashers. It plays a crucial role in detecting when the door is securely closed prior to starting a cycle. This important safety feature prevents accidental exposure to hot water, detergent, and chemicals. 

Causes of a bad micro switch include degradation from years of repeated use, debris interfering with mechanisms, or damage from attempts to force or slam the dishwasher door closed.

Symptoms of a bad micro switch include:

• Cycles failing to start despite a closed door
• Hot water or steam visible escaping when running 
• The dishwasher not detecting the closed door position
• Error codes displayed related to door position sensors

This OEM LG part is also compatible with Sears/Kenmore. Replacing only when truly faulty helps ensure safe and reliable dishwasher function.
 

Fix spray arms not rotating or dishes not getting clean. This water distribution shaft assembly directs water to spray arms during wash cycles.

This pump casing assembly is the molded housing that supports and seals the washer drain pump, helping channel water flow and protect the pump motor from leaks. Replacing a damaged casing restores proper drainage and prevents water damage. What it does

• Houses the drain pump impeller and provides the sealed pathway for discharged water.
• Restores proper water flow when cracks, warping, or seal failure cause leaks or reduced drainage.
• Helps prevent motor exposure to leaking water that can cause electrical or mechanical failure.
• Commonly replaced when users find water beneath the washer, hear grinding or irregular pump noise, or see visible casing damage.

• Disconnect power and water supply before starting any repair to avoid shock or flooding.
• Inspect adjoining seals, gaskets, and fasteners; replace any brittle or damaged components for a complete repair.
• Use basic hand tools; avoid overtightening fasteners which can crack plastic housings.

The Drain Pump Case Assembly is an OEM component specifically designed for LG dishwasher models equipped with bottom-mount drainage systems. This assembly houses the integral drain pump and contains wastewater.

Causes of a bad drain pump case assembly include cracks developing from repeated heating and cooling cycles, mineral buildup reducing drainage effectiveness, or mechanical seal damage allowing leaks. 

Symptoms of a bad drain pump case assembly include:

• Puddles or standing water left in the bottom of the dishwasher
• Wet floors or counters outside the appliance 
• Odd draining noises or vibrations during drain cycles
• Inability to fully drain or restart wash cycles

Replace yours today with this genuine OEM LG assembly to restore sanitary draining capacity. A durable case protects both the pump and surrounding cabinetry from moisture intrusion and damage. This replacement part is also compatible with KitchenAid, GE, and some Whirlpool brand dishwashers.

This drain pump assembly removes used water from the dishwasher tub during the drain cycle, pushing it out through the drain hose. It includes the pump motor and housing. Replace this assembly if the dishwasher is not draining, water remains pooled at the bottom after a cycle, or you hear unusual humming or grinding noises during the drain phase.

Captures food particles and debris to maintain proper water flow. Replace when clogged or damaged to restore filtering performance. Confirm fit with your model.

Dissolves limescale, mineral deposits, and odor-causing residues from dishwasher tub and spray system. Use monthly to maintain peak cleaning performance.

This case assembly is the outer housing that holds and protects the appliance's control components and switches, restoring a finished appearance and keeping electronics secure. It's a direct-replacement style part for visible control areas. What it does:

• Provides a protective enclosure for control boards, switches and user interface components
• Restores a secure, stable mounting point for buttons, levers and display elements
• Helps prevent dust, moisture and debris from reaching internal electronics
• Can resolve loose or damaged control bezel issues and improve appliance appearance

• Handle carefully to avoid scratching the visible surfaces and damaging tabs or mounting points
• Power off and unplug the appliance before starting work to reduce risk of shock
• Retain and reuse any clips, screws or gaskets from the original part unless replacements are supplied

The Cover Assembly is an OEM component specifically designed for LG dishwashers. This assembly consists of the outer tub cover and inner mounted components that protect internal mechanisms.

Causes of a bad cover assembly can include cracks, dents, or other physical damage from regular loading and unloading of dishes. Harsh or abrasive cleaners can degrade protective surfaces over time as well. 

Symptoms of a bad cover assembly include:

• Water leaks inside or outside the dishwasher 
• Loose, unstable, or damaged outer tub cover
• Detached or broken mounting clips for inner components

This OEM LG part is also compatible with Sears/Kenmore dishwashers. Replacing the entire cover assembly restores integrity to protect sensitive inside parts. Proper maintenance extends the lifespan of exterior components.
 

This hose connector links two components in the appliance's water path to create a flexible, leak-resistant connection. Replacing a worn or cracked connector helps stop leaks and restore proper water flow and performance.

• Joins fittings or assemblies within the internal water system
• Maintains a watertight seal under normal operating pressure
• Helps resolve leaks, pooling, or related error codes/performance issues
• Common failure signs: visible cracks, swelling, brittleness, or a loose fit at the connection points

• Disconnect power and shut off the water supply before servicing
• Note hose routing and orientation; take a photo for reference
• Transfer and correctly position any clamps; tighten securely without over-tightening
• After installation, run a test and inspect all joints for leaks

A replacement connector assembly that restores electrical connections between appliance components for reliable power and signal transfer. Use this harness to repair intermittent or failed connections without replacing larger modules. What it does

• Provides the mating connector and wire leads needed to re-establish a secure electrical connection.
• Commonly used when wires are broken, terminals are corroded, or plugs have melted/damaged.
• Can stop intermittent operation, failure to power on, or component communication issues caused by a faulty connector.
• Matches OEM fit and wiring layout to simplify replacement when the original connector is damaged.

• Disconnect power before beginning any repair to avoid electrical shock.
• Verify connector orientation and wire routing match the original before finalizing the install.
• Inspect mating terminals and surrounding insulation; replace if heat or corrosion damage is present.

Dissolves limescale, mineral deposits, and odor-causing residues from dishwasher tub and spray system. Use monthly to maintain peak cleaning performance.