2002 Yukon XL SLE 2WD (1500, not a 2500), need to replace pinion seal, but...

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YukonMike66

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2002 Yukon XL SLE, 2WD, 5.3L:
My pinion seal is starting to drip, i went to order another one and they asked "which ring gear do you have" ....i have no clue, i thought the common ring gear was the 8.6, but they said their was a couple others. My "G" number codes in my glove box are G65 and G80... which seems to tell me is 3.73 posi/ltd slip, but i dont know how that translates in to which ring gear i have in terms or 8.6", etc..
Any ideas? I assume its the 8.6, but wanted some help from the people here. I will attach my glove box RPO code sticker.
as always, thanks for your help.
 

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YukonMike66

YukonMike66

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NVM...i got the info from another site and replaced my pinion seal.
 
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