Parts for Whirlpool ST18PKXJW01: 04 - Unit Parts

Size: 8 x 1/2 ab.

The Defrost Heater is an OEM part for Whirlpool refrigerators. It is responsible for melting frost and ice that can accumulate on the evaporator coils, ensuring the refrigerator operates efficiently.

Causes of a bad defrost heater can include electrical issues such as short circuits or open circuits, physical damage to the heater element, or wear and tear from repeated heating cycles over time.

Symptoms of a bad defrost heater include:

• Frost buildup on the evaporator coils
• The refrigerator not cooling properly
• Frequent or continuous running of the compressor
• Water leakage inside the refrigerator due to melting ice

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

The Screw is an OEM part for Whirlpool refrigerators. This screw secures the refrigerator door hinge in place, allowing the door operates smoothly and seals properly. 

Over time, screws can become loose or go missing during repairs or adjustments, which can lead to a misaligned door, compromised sealing, and increased energy consumption. 

Symptoms of a bad screw include:

• The refrigerator door seems misaligned or does not close properly.
• Increased effort needed to open or close the door.
• Unusual gaps around the door seal when closed.
• The door might squeak or make other noises during operation.

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

The Defrost Bimetal is an OEM part for Whirlpool refrigerators. It acts as a safety thermostat that monitors and controls the temperature during the defrost cycle. This component ensures that the defrost heater turns off when the evaporator coil reaches a specific temperature, preventing overheating and potential damage.

Causes of failure may include a malfunction due to wear and tear over time, electrical failure, or damage from moisture and ice.  

Symptoms of a bad Defrost Bimetal include:

• The refrigerator is constantly running without cycling off
• Frost buildup on the evaporator coils, leading to reduced cooling efficiency
• The refrigerator or freezer compartment is too warm
• Unusual fluctuations in refrigerator temperature

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

This terminal block cover protects the appliance's electrical connection area from accidental contact and debris, helping reduce the risk of shorts and corrosion while keeping wiring secure and contained. What it does:

• Covers and shields the power terminal/block where the power cord connects
• Helps prevent accidental contact with live terminals and reduces short risk
• Keeps out dust, lint and debris that can cause corrosion or arcing
• Useful when the original cover is cracked, missing or showing burn marks

• Always disconnect power (unplug or switch off breaker) before servicing electrical components
• Typically installs over the terminal block and secures with the existing fastener(s); inspect mounting hardware for wear
• Replace if cracked, melted or if terminals are exposed; ensure cover seats fully before restoring power

This compressor overload is a thermal protector that opens the circuit if the compressor overheats or draws excessive current. Replacing a failed overload restores reliable starts and helps prevent compressor damage when your refrigerator won't cool.

• Protects the compressor by interrupting power during overheat/overcurrent conditions
• Common symptoms: refrigerator not cooling, compressor won't start, repeated clicking or brief hum then shutoff
• Mounts on the compressor terminal and works alongside the start relay on applicable models
• Built for proper fit and dependable operation in the start circuit

• Unplug the refrigerator and remove the rear access panel to reach the compressor
• Note wire positions; pull the old overload straight off the compressor pin
• Push the new overload fully onto the correct terminal and reconnect wiring/terminal cover
• Restore power and verify the compressor starts without repeated clicking

This compressor mounting grommet kit replaces worn or damaged rubber mounts that secure the compressor and reduce vibration. Restoring proper mounts helps cut down on compressor noise and prevents movement-related wear. What it does:

• Cushions and isolates the compressor to reduce vibration and rattling noise
• Keeps the compressor secured to its mounting bracket during operation
• Helps prevent stress and wear on mounting hardware and tubing
• Addresses symptoms like excessive vibration, banging, or unusual compressor noise

• Disconnect power to the appliance before beginning any repairs
• Support the compressor while removing and installing mounts to prevent strain or shifting
• Use appropriate hand tools and avoid over-tightening fasteners that can compress or damage grommets

This small rubber grommet cushions and supports a fan motor, helping reduce vibration and noise while the appliance is running. It fits into the motor bracket to provide a snug, insulated mounting point.

• Isolates fan motor vibration to cut rattling or buzzing
• Helps keep the motor aligned in its bracket
• Can wear, crack, or compress over time, causing vibration or noise
• Replacing a deteriorated grommet restores smooth, quieter operation

• Disconnect power before servicing
• Access the fan assembly and support the motor to relieve strain
• Note grommet orientation; transfer any sleeves or hardware as found
• Seat the new grommet fully in the bracket before remounting the motor

This compressor overload is a thermal protector that opens the circuit if the compressor overheats or draws excessive current. Replacing a failed overload restores reliable starts and helps prevent compressor damage when your refrigerator won't cool.

• Protects the compressor by interrupting power during overheat/overcurrent conditions
• Common symptoms: refrigerator not cooling, compressor won't start, repeated clicking or brief hum then shutoff
• Mounts on the compressor terminal and works alongside the start relay on applicable models
• Built for proper fit and dependable operation in the start circuit

• Unplug the refrigerator and remove the rear access panel to reach the compressor
• Note wire positions; pull the old overload straight off the compressor pin
• Push the new overload fully onto the correct terminal and reconnect wiring/terminal cover
• Restore power and verify the compressor starts without repeated clicking

The Roller is an OEM part for Whirlpool refrigerators. It is designed to facilitate the smooth movement of your refrigerator, making it easier to position and clean underneath the appliance. The roller supports the weight of the refrigerator and allows for easy adjustments in placement.

Causes of a bad fridge roller can include wear and tear from frequent movement, exposure to heavy loads that can damage the roller, or accumulation of dirt and debris that can impede its function. When a roller is damaged, it can affect the stability and mobility of the refrigerator.

Symptoms of a bad Roller include:

• Difficulty moving the refrigerator
• Unusual noises when the refrigerator is moved
• Uneven leveling of the refrigerator
• The refrigerator not staying in place

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

The Axle is an OEM part for Whirlpool refrigerators. This axle allows it to be easily repositioned or moved for cleaning and maintenance. It supports the rollers that enable the refrigerator to glide across the floor.

Common causes of a bad axle include prolonged use, excessive weight, or impact damage, which can lead to the axle bending or breaking.

Symptoms of a bad refrigerator roller axle include:

• Difficulty moving the refrigerator
• Uneven or wobbling movement
• Scratches or damage to the floor
• The refrigerator not staying level

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

This compressor mounting grommet kit replaces worn or damaged rubber mounts that secure the compressor and reduce vibration. Restoring proper mounts helps cut down on compressor noise and prevents movement-related wear. What it does:

• Cushions and isolates the compressor to reduce vibration and rattling noise
• Keeps the compressor secured to its mounting bracket during operation
• Helps prevent stress and wear on mounting hardware and tubing
• Addresses symptoms like excessive vibration, banging, or unusual compressor noise

• Disconnect power to the appliance before beginning any repairs
• Support the compressor while removing and installing mounts to prevent strain or shifting
• Use appropriate hand tools and avoid over-tightening fasteners that can compress or damage grommets

This kit is used to mount evaporator trays on compressors.

This air baffle bracket assembly helps route airflow inside the appliance to maintain proper cooling and protect the fan area. It restores correct air channeling for more consistent temperatures and quieter operation. What it does:

• Directs and channels airflow through the evaporator/fan area to support efficient cooling
• Holds or positions the fan assembly and related ducting for correct air pathway
• Prevents air recirculation and reduces hotspots or uneven cooling
• Can help address abnormal fan noise or rattling when damaged or loose

• Disconnect power to the appliance before beginning any work
• Remove exterior or interior access panels to reach the fan area; keep fasteners organized
• Handle plastic tabs and clips gently to avoid breakage; replace damaged clips as needed
• After installation, verify the fan spins freely and that all panels are reattached securely

The condenser fan motor is an OEM part for Whirlpool refrigerators. It plays a vital role in circulating refrigerant through the condenser coils, facilitating heat exchange and maintaining the refrigerator's cooling efficiency.

Over time, the motor-condenser can wear out or fail due to electrical issues, mechanical wear, or blockages in the condenser system. A malfunctioning motor can compromise the refrigerator's cooling performance, leading to temperature fluctuations and increased energy consumption.

Symptoms of a bad Motor-Condenser include:

• The refrigerator not cooling properly
• Unusual noises coming from the back of the refrigerator
• The compressor running continuously
• Increased energy bills due to inefficient operation
• Overheating of the refrigerator

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

The Nut is an OEM replacement part for Whirlpool refrigerators. This small yet essential component is used to secure various parts of the refrigerator, such as shelves, panels, or brackets, ensuring stability and proper alignment. Its durable design ensures reliable performance in the demanding environment of a refrigerator.

Causes of a bad or missing Nut can include wear over time, accidental stripping of threads, or loss during maintenance or repairs. A damaged or missing nut can lead to loose components and reduced functionality.

Symptoms of a bad or missing Nut include:

• Loose or wobbly shelves, brackets, or panels
• Difficulty keeping refrigerator components securely in place
• Rattling or unusual noises during operation

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

Size: 1/2 inch.

Size: 5/8 inch.

Size: 3/4 inch.

Size: 1/4 inch.

Size: 5/16 inch.

Size: 3/8 inch.

Size: 3/16 inch.