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Light Socket Assembly

Part Number: AP4438935
MFG Part Number: 6621JK2003B
Made by: LG
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$29.06 $4.64

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Questions & Answers

15 Questions & Answers


This refrigerator lamp socket assembly includes the two lamp sockets, a safety thermostat, the wire harness and plug.

Genuine LG part. See all items in Refrigerator Wire, Harness, Power Cord.

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Cross Reference Information

Part Number 6621JK2003B (AP4438935) replaces 6621JK2002D, 1268261, AH3529355, EA3529355, PS3529355.

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Repair Time Estimate

15-30 minutes 

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Most Interesting

No content lights on top, replaced with new bulbs and light socket assembly. still no lights. All I get is a quick glow of light filaments when I activate the door closed/open switch. Please tell me I do not need a new master board just to get my shelf light to work!......;Thanking you in advance, I await your response.

Terry for Model Number Kenmore 795.77554600 Refrigerator ( LG manufacturer)


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Our lights would not turn off melted the plastic luckily we opened our refrigerator in time. lights did not turn off so we ordered the part with the round metal to replace. The question is do we need a pcb assembly board now like the other people with different models needed or are we ok with just this different light socket.

Keith for Model Number LFX25960


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There are a lot of questions on the light socket with the safety thermostat can you possible send me or post a picture with one connected that way I can see where it goes on the reflector. I am not super handy but if I see it done or see a picture then I can understand it. I have an LG fridge.



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Latest Questions

I purchased a new light assembly (#6621JK2003B), I read a question submitted by Teri. I have the same problem, an extra round control of some type, and a ground type wire (green and yellow). Your answer was a "Main Control Board" that does not make sense to me, or did you mean the pcb assembly display board. If it is the Main Control, where is it, I do not see it within the area of the light assembly. Confused in Florida..thanks, Greg

Greg for Model Number LFC25760SW


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I have a LG refrigerator, model # lfx25950sw. The concern is (a) removing the light bulb lens plate without breaking mount clips(don't know if they are on the length or width sides). (b) when replacing the doors (left & right) light switches, will there be a reasonable way to remove & replace them?

Jay D


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Hello, We previously ordered the door buttons because our refridgerator light would not go on. We replaced them, the lights still don't work. We ordered the light socket assembly which was recommended for our refridgerator, but on receiving it, it looks different from the one my husband pulled out of the fridge. The original one has the sockets, a blue and purple wire and a white plug. The one we received has a round metal thing with a purple and pink wire attached, and also an extra green and yellow wire. Is this something new, or is the one recommended on your website maybe not accurate? If it is something new that should be attached, are there instructions on how to do this? If so, could you email them to me? If this isn't correct we'll need to return this one. Terri

Terri for Model Number LG Refridgerator Model LFC25760SW


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