There are 6 choices

Choose One

SUBURBAN 1500
- 6 bolt
  - 3.42 axle ratio (opt GU6)
  - 3.73 ratio (opt GT4)
- 8 bolt
  - 3.42 axle ratio (opt GU6)
  - 3.73 ratio (opt GT4)
SUBURBAN 2500
- 3.73 ratio (opt GT4)
- 4.10 ratio (opt GT5)

Front Axle Assembly for 1999 GMC Suburban

Attention!

There are 6 choices for the 1999 GMC Suburban Front Axle Assembly !!!
Choose Your Option

SUBURBAN 1500 6 bolt 3.42 axle ratio (opt GU6)
SUBURBAN 1500 6 bolt 3.73 ratio (opt GT4)
SUBURBAN 1500 8 bolt 3.42 axle ratio (opt GU6)
SUBURBAN 1500 8 bolt 3.73 ratio (opt GT4)
SUBURBAN 2500 3.73 ratio (opt GT4)
SUBURBAN 2500 4.10 ratio (opt GT5)

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