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Models > RT21LMXKT04

RT21LMXKT04 Roper Refrigerator - Overview

Get Parts and Repair Help for RT21LMXKT04

If you know the refrigerator repair part you need, you can browse the list of all parts on the RT21LMXKT04, or you can search by name or part description. You can also find your part by where it is located on the RT21LMXKT04 by selecting a section below. If you’re not sure which part you need, you can narrow your search by selecting a common symptom and we’ll show you the repair parts most likely to fix your refrigerator. We’ve also included any installation videos we have for RT21LMXKT04 parts. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

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$120.86

Replacement Ice Maker

The ice maker ensures your refrigerator generates and dispenses ice. There may be an issue with yours if it leaks water, generates too much or too little ice, or dispenses too much...

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$65.25

Icemaker Control Assembly

The icemaker control assembly is located in the freezer section of your refrigerator. It is what controls the icemaker. The control turns the timing cams and the ejector blades. It controls most of the basic parts and functions, such as the heater, the water inlet valve, the cube size, and cube ejection. This replacement includes the control module and the motor, the motor is not sold separately. There are a number of reasons you might need to replace this part: if the motor is faulty, if any of the gears are worn out, or any of the plastic pieces are broken or damaged. If your icemaker is not functioning properly, you should start by testing this module. Before you begin repairing your refrigerator, make sure it is unplugged.

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$28.79

Defrost Timer

This refrigerator defrost timer kit is designed to fix issues with your refrigerator temperature as well as symptoms such as the defrost cycle not working, build up of ice in the f...

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$47.35

Capacitor

This capacitor is also known as a run capacitor, and it is most often used in refrigerators and freezers. This part provides the voltage or energy current required to start the compressor and keep it running. It allows the compressor in your appliance to easily cycle on and off. Doing so enables the appliance to effortlessly maintain its internal temperature. If the capacitor is faulty your refrigerator or freezer might be too warm, or you may notice the compressor will hum, but it will not run. When replacing your capacitor, you should check the old one for any signs of damage, overheating, or arcing, as that may suggest there is a bigger problem with your appliance.

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$11.11

Light Rocker Switch

This light rocker light switch is used in a number of household appliances. It is most often found in refrigerators and freezers. This is a simple mechanism that helps turn the lig...

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$6.77

Door Shelf Retainer Bar End Cap

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$48.77

Evaporator Fan Motor - 60Hz 120V

This is a 60 Hertz, 120-volt evaporator fan motor for your refrigerator. This part is located in the back of the freezer, and circulates air over the refrigerator coils. These coil...

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$20.01

Bimetal Defrost Thermostat

This is a bimetal defrost thermostat for your refrigerator. It stops the fridge from overheating during the defrost cycle by protecting the evaporator. This clip-on thermostat will sense the temperature increase in the evaporator during the defrost process, and will cycle the defrost heater off after the ice or frost is melted. The most common reasons for needing to replace this part are if your unit is leaking, has inconsistent temperatures (too hot or too cold), you are seeing buildup of ice, or your appliance is running too long.

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$66.36

Single Water Inlet Valve - 120V 60Hz 35W

The single water inlet valve, also known as a water solenoid valve, is used for refrigerators. This part is a solenoid-operated switch that releases water from the supply line to t...

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$6.15

End Cap Trim Piece

Sold individually.

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Ice Maker quit working, I could manually cycle unit but then the water would overflow when unit was re-filling.

  • Customer: Max from Green Castle, IN
  • Difficulty: Really Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Nutdriver, Screw drivers
  • 562 of 580 people found this instruction helpful
I backed out the 2 top screws about a quarter inch and then removed bottem screw with a quater inch nut driver. I then lifted Ice Maker clear of the two top screws and lowered it enough to unclip the power connection with a small screwdriver. The new Ice Maker was wired correctley for my refrigeator so all I had to do wea reconnect the power connection and... read more

No ice

  • Customer: Daniel from Suwanee, GA
  • Difficulty: Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Screw drivers, Socket set
  • 517 of 607 people found this instruction helpful
removed flap door in front of icemaker...removed 3 screws with bolt heads...removed one additional screw with bolt head and ice unit slid out. I removed motor unit (pops out no screws). Replaced and had ice within 3 hours. read more

The frost free feature of the freezer was freezing over with ice and cooling coils were being insulated with thickening frost which caused the cooling air to rise in temperature from -5 degrees to 20 degrees.

  • Customer: Lawrence from Grahamsville, NY
  • Difficulty: A Bit Difficult
  • Time to Complete: 1- 2 hours
  • Tools Required: Nutdriver
  • 378 of 445 people found this instruction helpful
I troubleshot the problem by reading the electrical schematic and concluding the heating elements (defrost cables) were either defective or the bi-metal temp sensor was open. When closed the temp sensor completes the circuit for the current to flow through the heaters to defrost the cooling coils every 8 hours and then when the bimetal opens at 55 degrees t... read more