Parts for Roper RT18BKXJW00: 04 - Unit Parts

The Defrost Heater is an OEM part for Whirlpool refrigerators. This heater turns on during the defrost cycle to melt the frost on the evaporator coils. If you need the defrost thermostat order WP4387490

Causes may include cracked heater elements reducing heat output or open circuit damage limiting functionality over time. 

Symptoms of a faulty heater involve:

• Periodic refrigerator odors
• Prolonged defrost cycles or remaining ice
• Frost and ice buildup beyond normal amounts

This is a genuine Whirlpool OEM replacement this part is also compatible with Maytag, Jenn-Air and some Kenmore models.

This is a genuine replacement screw used to secure panels, brackets, and components on compatible Whirlpool appliances. It restores proper fastening so loose parts stop rattling and panels stay aligned. What it does

• Fastens trim, panels, brackets, or mounting hardware to appliance chassis
• Helps stop vibration and rattling caused by missing or stripped fasteners
• Restores secure connections after repair or part replacement
• Matches OEM thread specification to fit intended mounting holes

• Disconnect power to the appliance before beginning any repair
• Use the correct screwdriver or bit to avoid stripping the head
• Start threads by hand and tighten until snug; do not overtighten
• Inspect mating threads and replace if damaged

Size: 8-18 x 1/2 inch.

This small pin clip secures the roller pin in a refrigerator drawer/track assembly, keeping the roller and pin from sliding apart. Replacing a missing or bent clip restores smooth drawer movement and helps prevent bins from tilting, binding, or dropping.

• Retains the roller on its pin to keep the drawer track assembly together
• Helps resolve drawers that tilt, bind, or fall when a clip is missing or damaged
• Prevents the pin from backing out, reducing scraping or popping noises
• Replaces clips that are missing, bent, or no longer hold securely

• Disconnect power and remove the drawer/bin to access the track and roller
• Support the roller; remove the old clip with small pliers while securing the pin
• Align roller and pin; press the new clip fully into the groove until seated
• Reassemble and verify the drawer glides smoothly without binding

This replacement screw secures appliance panels, brackets, and components to the cabinet or chassis. The #8-15 x 1/2 in. size restores a snug, reliable hold when original hardware is missing, stripped, or corroded.

• Fastens panels, brackets, and trim to the appliance cabinet or chassis
• Helps reduce rattling, vibration, or looseness caused by missing/stripped hardware
• Restores proper alignment of parts that have shifted due to loose fasteners
• Size/spec: #8-15 thread, 1/2-inch length; use where this size is specified

• Disconnect power and shut off gas/water supplies before servicing
• Replace one screw at a time to maintain alignment of parts
• Start threads by hand to prevent cross-threading; do not overtighten
• Use a matching driver/bit type for the screw head used in your appliance

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 part no longer includes the relay. A common substitute relay for many models is part # WP2262181. If you are unsure if this substitution is compatible with your model, please call 1-877-477-7278 for more assistance.

The Relay and Overload Kit is an OEM replacement part for Whirlpool refrigerators. It is an essential component of the refrigerator's electrical control system, responsible for powering components and protecting circuits from overload. 

Causes of a bad relay and overload kit include circuit malfunctions, failed or worn-out components, or improper installation. 

Symptoms of a bad relay and overload kit are:

• Refrigerator not cooling or icing 
• Components like lights or fans not working
• Buzzing or humming noises from the electrical control area
• Repeated blown fuses 

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

This rubber grommet cushions and secures the compressor to the fridge frame, helping reduce vibration and noise while protecting mounting hardware. It's a direct-fit replacement for a single compressor mounting point. What it does:

• Absorbs compressor vibration to reduce operational noise and rattling
• Protects compressor studs and mounting bracket from metal-on-metal wear
• Helps keep the compressor properly positioned during operation
• Commonly replaced when cracked, flattened, or missing and causing vibration or noise

• One compressor-mount grommet

• Disconnect power to the appliance before beginning any repair
• Support the compressor or work with the unit tilted to relieve pressure on mounts
• Remove old grommet(s) and clean mounting surfaces before installing the new grommet
• If multiple mounts show wear, replace them as a set for balanced support

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

The Compressor Start Relay is an OEM part for Whirlpool refrigerators. This part provides the necessary power boost to start the compressor.

Causes of a bad start relay can include electrical issues, wear and tear from regular use, or damage from power surges or overheating.

Symptoms of a bad compressor start relay include:

• The refrigerator not cooling properly
• The compressor not starting or frequently shutting off
• Clicking noises coming from the compressor area
• The refrigerator running but not reaching the desired temperature
• Increased energy consumption

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

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.

A small metal retaining clip that secures a bi-metal thermostat or temperature sensor in place, helping maintain proper contact and accurate temperature sensing for reliable appliance operation. Simple, durable replacement part. What it does

• Holds a bi-metal thermostat or temperature sensor firmly against its mounting point or probe.
• Maintains consistent contact to support accurate temperature sensing and control.
• Can help stop intermittent temperature-related issues caused by a loose or damaged clip.
• Designed for direct replacement where a spring-style or formed metal retainer is required.

• One bi-metal retaining clip (single clip).

• Disconnect power to the appliance before attempting any repair.
• Removal/installation typically requires small pliers or a flat screwdriver; avoid excessive force to prevent damage.
• Verify clip orientation and that the sensor/thermostat is seated fully before securing.

This retaining clip secures trim, panels or small assemblies to keep parts aligned and prevent rattling. It's a simple replacement that restores a snug, stable fit where the original clip has broken or gone missing. What it does:

• Holds plastic or metal trim and panels in place to prevent gaps and movement
• Restores proper alignment and reduces vibration or rattling noises
• Keeps assembled components from shifting during normal use
• Useful when a damaged or missing clip causes loose or sagging parts

• One retaining clip

• Disconnect power and/or water to the appliance before beginning any repair
• Use needle-nose pliers or a flat screwdriver to remove the old clip and snap the replacement into place
• Verify the clip is fully seated and the panel/trim is secure before returning the appliance to service
• If the original clip required additional fasteners, retain and reuse them as needed

This kit is used to mount evaporator trays on compressors.

This wire assembly connects the capacitor to the appliance's motor or control, restoring a secure electrical path for reliable start/run operation. Replaces a damaged or worn harness to help resolve starting and intermittent power issues. What it does:

• Provides insulated wiring and terminals to link the capacitor to the motor or control
• Ensures a secure electrical connection for proper start/run signaling
• Can resolve symptoms such as failure to start, humming or intermittent motor starting
• Prevents shorts or arcing from frayed or damaged wiring when functioning correctly

• Always disconnect power at the breaker or unplug the appliance before servicing
• Capacitors can hold a dangerous charge — have the capacitor safely discharged before disconnecting wires
• Match connectors and routing to the original harness; secure wires away from moving parts and heat sources

Size: 1/2 inch.

Size: 5/8 inch.

Size: 3/4 inch.

Size: 3/16 inch.

Size: 1/4 inch.

Size: 5/16 inch.

Size: 3/8 inch.