RT21LMXKQ03 Roper Refrigerator - Overview

Sections of the RT21LMXKQ03

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Refrigerator Capacitor – Part Number: WPW10662129
Refrigerator Capacitor
★★★★★
★★★★★
(36)
PartSelect #: PS11757023
Manufacturer #: WPW10662129
This part helps the compressor kick on and off while maintaining a constant temperature to keep things frozen in your freezer.
$55.31
  In Stock
Order within the next 10 hrs and your part ships today!
Touch-Up Paint - White – Part Number: 72017
Touch-Up Paint - White
★★★★★
★★★★★
(23)
PartSelect #: PS385132
Manufacturer #: 72017
This 18 ml bottle of white appliance touch-up paint is used to cover scratches or marks on your appliance. The white touch-up paint can be used on refrigerators, microwaves, ranges, clothes dryers, an...
$15.95
  In Stock
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Refrigerator Crisper Drawer – Part Number: W10854037
Refrigerator Crisper Drawer
★★★★★
★★★★★
(20)
PartSelect #: PS11731260
Manufacturer #: W10854037
$168.49
  In Stock
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Refrigerator Door Switch – Part Number: W11384469
Refrigerator Door Switch
★★★★★
★★★★★
(35)
PartSelect #: PS12728638
Manufacturer #: W11384469
Door switch turns the light off when you close the door.
$48.68
  In Stock
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Refrigerator Bimetal Defrost Thermostat – Part Number: WP4387503
Refrigerator Bimetal Defrost Thermostat
★★★★★
★★★★★
(20)
PartSelect #: PS11742474
Manufacturer #: WP4387503
This clip-on thermostat will sense the temperature increase in the evaporator during the defrost cycle and will cycle the defrost heater off after the ice or frost is melted.
$53.86
  In Stock
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Icemaker Control Assembly – Part Number: W10190935
Icemaker Control Assembly
★★★★★
★★★★★
(20)
PartSelect #: PS2341896
Manufacturer #: W10190935
This part is used to help tell the icemaker what to do - it turns the timing cams and the ejector blades. Motor is not sold separately.
$150.25
  In Stock
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BRACKET-DOOR STOP,ZINC – Part Number: W11745278
BRACKET-DOOR STOP,ZINC
★★★★★
★★★★★
(5)
PartSelect #: PS17917873
Manufacturer #: W11745278
This hinge bracket, also known as a door stop, is attached to the bottom of the door and is used to limit how far the door swings out to protect the refrigerator itself, and any surrounding cabinets f...
$17.95
  In Stock
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Replacement Ice Maker – Part Number: 4317943
Replacement Ice Maker
★★★★★
★★★★★
(21)
PartSelect #: PS358591
Manufacturer #: 4317943
***NOTE: Ice maker does NOT come with the bail or shut off arm. You must order them separately if required. It does come complete with flat and round plug wiring harness, the mounting hardware, and th...
$176.56
  In Stock
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Refrigerator Evaporator Fan Motor – Part Number: WPW10189703
Refrigerator Evaporator Fan Motor
★★★★★
★★★★★
(11)
PartSelect #: PS11749890
Manufacturer #: WPW10189703
This evaporator fan motor is located in the back of the freezer, and circulates air over the refrigerator coils. These coils will convert the heat into cool air, which is then circulated. NOTE: ...
$78.06
  In Stock
Order within the next 10 hrs and your part ships today!
Meat Drawer – Part Number: WP2218132K
Meat Drawer
★★★★★
★★★★★
(11)
PartSelect #: PS11739755
Manufacturer #: WP2218132K
Keep your refrigerator organized with this replacement meat drawer, designed to fit securely in the lower section of select models. It’s ideal for storing meats and other items that need to be kept se...
$177.02
  In Stock
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Screw – Part Number: WP681249
Screw
PartSelect #: PS11743743
Manufacturer #: WP681249
Sold individually.
$10.51
  In Stock
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Condenser Fan Motor Kit – Part Number: W10124096
Condenser Fan Motor Kit
★★★★★
★★★★★
(10)
PartSelect #: PS1957416
Manufacturer #: W10124096
This kit includes the motor, fan blade, wire harness and screws. NOTE: The manufacturer has changed the product to appear different than the original, but will still function the same as the origina...
$161.66
  In Stock
Order within the next 10 hrs and your part ships today!

Questions And Answers for RT21LMXKQ03

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3 questions answered by our experts.
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Randy
February 21, 2023
Is there a replaceable water filter where located?
For model number RT21LMXKQ03
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Hello Randy, thank you for your question. There is not a water filter in this model. Thank you and have a great day.
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Lloyd
September 30, 2023
the ice maker makes a noise sounds like heavy breathing
For model number RT21LMXKQ03
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Hi Lloyd, thank you for reaching out. We have found that the heavy breathing noise you hear is typically the ice maker jamming up and not able to cycle. Turn the ice maker off and see if the noise goes away. If so, then thaw out the ice maker completely with a hair dryer. If the noise comes back, you may need to replace the icemaker control assembly, part number PS2341896, to fix the issue. We hope that helps!
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Ronnie
July 9, 2025
Refrigerator short cycles. Turn thermostat from 0 to 4 fridge starts running. Is it time to replace thermostat?
For model number RT21LMXKQ03
PartSelect logo
Hi Ronnie, thank you for reaching out. Yes, the issue could be with the temperature control thermostat, part number PS11739602. It cycles on and off regularly to keep your refrigerator cold. You may need to replace it to fix the issue. We hope this solves your problem!
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Common Symptoms of the RT21LMXKQ03

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Ice maker not making ice
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Light not working
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Fridge too warm
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Leaking
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Noisy
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Will Not Start
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Freezer section too warm
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Ice maker won’t dispense ice
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Fridge and Freezer are too warm
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Door won’t open or close
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Freezer not defrosting
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Clicking sound
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Too warm
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Fridge runs too long
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Ice maker dispenses too much ice
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Frost buildup
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Ice maker dispenses too little ice
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Won’t start
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Fridge too cold
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Not dispensing water
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Freezer too cold
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Door Sweating
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Ice Maker quit working, I could manually cycle unit but then the water would overflow when unit was re-filling.
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 mount new Ice Maker on the two top screws and install the bottem screw. It took e while for the new Ice Maker to start it's cycle but after it did, it worked GREAT. Part Select service was OUTSTANDING, ordered part one day and received the next. THANKS!!!!
Parts Used:
Replacement Ice Maker
  • Max from Green Castle, IN
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
595 of 638 people found this instruction helpful.
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No ice
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.
Parts Used:
Icemaker Control Assembly
  • Daniel from Suwanee, GA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers, Socket set
567 of 688 people found this instruction helpful.
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My refrigerator stopped cooling and the freezer section stopped freezing
I knew the chances of all the freon leaking out was unlikely so I looked at the wiring to the compressor and there was a capacitor and a starter/overload so i figured I would start there. I went on line and found the parts at this site and they were less than the minimum service call charge for a service tech so I figured what the heck let's give her a shot so I did give it a shot. I ordered the parts and they were there in less time than a service tech could come out and i installed the parts and guess what for 90.00 in parts and 15 minutes in time I repaired my refrigerator. Thanks guys, It took less time to order the parts than it did to make the repair so thanks, your website rocks and is very well designed so my hat is off to you guys!
Parts Used:
Refrigerator Capacitor
  • garth from forest lake, MN
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Screw drivers
436 of 549 people found this instruction helpful.
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