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Need to replace rear differential

Tiny
RONNYT
  • MEMBER
  • 2006 GMC YUKON
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 220,000 MILES
Want to buy re-manufactured complete rear end, but not sure what is OE? Has ten bolt cover. Please help
Monday, October 30th, 2017 AT 11:56 AM

2 Replies

Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
GM 8.6".
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Monday, October 30th, 2017 AT 12:13 PM
Tiny
PATENTED_REPAIR_PRO
  • MECHANIC
  • 1,853 POSTS
If you find your rpo codes, usually found in the glove box on a sticker, the rpo code GT4 is a 3.73 gear ratio. Standard open differential, 4.10 gear ratio. Standard open differential (Opt GT5), 3.73 w/LSD (positraction) (Opt GT4), 4.10 w/LSD (positraction) (Opt GT5).
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Monday, October 30th, 2017 AT 12:18 PM

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