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2021 GMC 2500 tail lights

Megs333
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Megs333 New Member

Megs333

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Guys

wondering if you can help me out, I am in Australia and have a  2021 GMC Denali 2500. on the weekend I broke a tail light, it has the part number  84831185 on it. I am looking for a replacement however some tail lights seem to have reverse in the spot where my indicator is.

 

what is the difference in all the part numbers? do they all have an indicator there or do some of them have the tail light blink?

newdude Senior Enthusiast

newdude

Posted
Posted
18 minutes ago, Megs333 said:

Guys

wondering if you can help me out, I am in Australia and have a  2021 GMC Denali 2500. on the weekend I broke a tail light, it has the part number  84831185 on it. I am looking for a replacement however some tail lights seem to have reverse in the spot where my indicator is.

 

what is the difference in all the part numbers? do they all have an indicator there or do some of them have the tail light blink?

 

 

84831185 supersedes to 86584239.  

 

 

IMG_5264.thumb.jpg.f5ab940c81fa15403444ca9933663ed6.jpg

 

 

There is only one tail light that I can see listed, and I don't see one marked for export vehicles, but that might be something that can only be found at a GM Specialty Vehicles dealership at the parts department.  I can see US/Canada stuff, and for some cars they have European, Japan and Russia listings for lighting on other vehicles, but I only see one tail lamp listed for a 2021 Denali HD.

 

Megs333 New Member

Megs333

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24 minutes ago, newdude said:

ok thanks, my turn signal is where there reverse is on the below, I will inquire locally 

 

 

84831185 supersedes to 86584239.  

 

 

IMG_5264.thumb.jpg.f5ab940c81fa15403444ca9933663ed6.jpg

 

 

There is only one tail light that I can see listed, and I don't see one marked for export vehicles, but that might be something that can only be found at a GM Specialty Vehicles dealership at the parts department.  I can see US/Canada stuff, and for some cars they have European, Japan and Russia listings for lighting on other vehicles, but I only see one tail lamp listed for a 2021 Denali HD.

 

 

Crazy Canuck Enthusiast

Crazy Canuck

Posted
Posted

I don't believe either my 21 or 22 had separate turn signal functionality in the taillight assembly.  The one LED strip (C) did double duty.  With that said, the Aussie light could have been modified for their laws which I believe from living there 20 years ago state that the turn and brake lights need to ge separate and I am almost sure the turn functionality must be amber.  

Megs333 New Member

Megs333

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14 minutes ago, Crazy Canuck said:

I don't believe either my 21 or 22 had separate turn signal functionality in the taillight assembly.  The one LED strip (C) did double duty.  With that said, the Aussie light could have been modified for their laws which I believe from living there 20 years ago state that the turn and brake lights need to ge separate and I am almost sure the turn functionality must be amber.  

yes i found out yesterday they modify the OEM lights and remove the revrse light and make it the turn signal.

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