Sierra 2500 Rear Axles


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    Some available Rear Axle options for the Sierra 2500 are:

    Year: 2014 GMC Sierra 2500 Rear Axle

  • 10.50" ring gear 4.10 ratio (opt GT5)
  • 10.50" ring gear 3.73 ratio (opt GT4)
  • 11.50" ring gear (3.73 ratio, opt GT4)


  • Year: 2013 GMC Sierra 2500 Rear Axle

  • 10.50" ring gear 3.73 ratio (opt GT4)
  • 11.50" ring gear (3.73 ratio, opt GT4)
  • 10.50" ring gear 4.10 ratio (opt GT5)


  • Year: 2012 GMC Sierra 2500 Rear Axle

  • 10.50" ring gear 4.10 ratio (opt GT5)
  • 11.50" ring gear (3.73 ratio, opt GT4)
  • 10.50" ring gear 3.73 ratio (opt GT4)


  • Year: 2011 GMC Sierra 2500 Rear Axle

  • 11.50" ring gear (3.73 ratio, opt GT4)
  • 10.50" ring gear 4.10 ratio (opt GT5)
  • 10.50" ring gear 3.73 ratio (opt GT4)


  • Year: 2010 GMC Sierra 2500 Rear Axle

  • 10.50" ring gear active brake control (opt JL4) 4.10 ratio (opt GT5)
  • 10.50" ring gear w/o active brake control 3.73 ratio (opt GT4)
  • 10.50" ring gear active brake control (opt JL4) 3.73 ratio (opt GT4)
  • 11.50" ring gear (3.73 ratio, opt GT4) active brake control (opt JL4)
  • 10.50" ring gear w/o active brake control 4.10 ratio (opt GT5)
  • 11.50" ring gear (3.73 ratio, opt GT4) w/o active brake control


  • Year: 2009 GMC Sierra 2500 Rear Axle

  • 11.50" ring gear (3.73 ratio, opt GT4) active brake control (opt JL4)
  • 10.50" ring gear active brake control (opt JL4) 3.73 ratio (opt GT4)
  • 10.50" ring gear w/o active brake control 3.73 ratio (opt GT4)
  • 10.50" ring gear active brake control (opt JL4) 4.10 ratio (opt GT5)
  • 11.50" ring gear (3.73 ratio, opt GT4) w/o active brake control
  • 10.50" ring gear w/o active brake control 4.10 ratio (opt GT5)


  • Year: 2008 GMC Sierra 2500 Rear Axle

  • 10.5" ring gear 4.10 ratio (opt GT5)
  • 11.5" ring gear (3.73 ratio, opt GT4)
  • 10.5" ring gear 3.73 ratio (opt GT4)


  • Year: 2007 GMC Sierra 2500 Rear Axle

  • classic style (creased door skin) 10.5" ring gear (4.10 ratio, opt GT5)
  • new style (smooth door skin) 10.5" ring gear 4.10 ratio (opt GT5)
  • classic style (creased door skin) 11.5" ring gear 4.10 ratio (opt GT5)
  • classic style (creased door skin) 11.5" ring gear 3.73 ratio (opt GT4)
  • new style (smooth door skin) 10.5" ring gear 3.73 ratio (opt GT4)
  • new style (smooth door skin) 11.5" ring gear (3.73 ratio, opt GT4)


  • Year: 2006 GMC Sierra 2500 Rear Axle

  • (full-floating axle) 11.5" ring gear 4.10 ratio (opt GT5)
  • (full-floating axle) 10.5" ring gear (4.10 ratio, opt GT5)
  • (full-floating axle) 11.5" ring gear 3.73 ratio (opt GT4)


  • Year: 2005 GMC Sierra 2500 Rear Axle

  • w/o Quadrasteer full-floating axle 11.5" ring gear 4.10 ratio (opt GT5)
  • w/o Quadrasteer semi-floating axle 4.10 ratio (opt GT5)
  • w/o Quadrasteer full-floating axle 10.5" ring gear 3.73 ratio (opt GT4)
  • w/o Quadrasteer semi-floating axle 3.73 ratio (opt GT4)
  • Quadrasteer (opt NYS) 3.73 ratio (opt GT4)
  • w/o Quadrasteer full-floating axle 10.5" ring gear 4.10 ratio (opt GT5)
  • Quadrasteer (opt NYS) 4.10 ratio (opt GT5)
  • w/o Quadrasteer full-floating axle 11.5" ring gear 3.73 ratio (opt GT4)


  • Year: 2004 GMC Sierra 2500 Rear Axle

  • w/o Quadrasteer full-floating axle 11.5" ring gear 3.73 ratio (opt GT4)
  • w/o Quadrasteer full-floating axle 10.5" ring gear 4.10 ratio (opt GT5)
  • w/o Quadrasteer full-floating axle 11.5" ring gear 4.10 ratio (opt GT5)
  • w/o Quadrasteer semi-floating axle 3.73 ratio (opt GT4)
  • w/o Quadrasteer full-floating axle 10.5" ring gear 3.73 ratio (opt GT4)
  • Quadrasteer (opt NYS) 4.10 ratio (opt GT5)
  • Quadrasteer (opt NYS) 3.73 ratio (opt GT4)
  • w/o Quadrasteer semi-floating axle 4.10 ratio (opt GT5)


  • Year: 2003 GMC Sierra 2500 Rear Axle

  • full-floating axle 11.5" ring gear 3.73 ratio (opt GT4)
  • semi-floating axle 3.73 ratio (opt GT4)
  • full-floating axle 11.5" ring gear 4.10 ratio (opt GT5)
  • full-floating axle 10.5" ring gear 3.73 ratio (opt GT4)
  • semi-floating axle 4.10 ratio (opt GT5)
  • full-floating axle 10.5" ring gear 4.10 ratio (opt GT5)


  • Year: 2002 GMC Sierra 2500 Rear Axle

  • semi-floating axle 4.10 ratio (opt GT5)
  • full-floating axle 10.5" ring gear 3.73 ratio (opt GT4)
  • full-floating axle 10.5" ring gear 4.10 ratio (opt GT5)
  • full-floating axle 11.5" ring gear 3.73 ratio (opt GT4)
  • semi-floating axle 3.73 ratio (opt GT4)
  • full-floating axle 11.5" ring gear 4.10 ratio (opt GT5)


  • Year: 2001 GMC Sierra 2500 Rear Axle

  • full-floating axle 10.5" ring gear 3.73 ratio (opt GT4)
  • semi-floating axle 3.73 ratio (opt GT4)
  • semi-floating axle 4.10 ratio (opt GT5)
  • full-floating axle 11.5" ring gear 4.10 ratio (opt GT5)
  • full-floating axle 10.5" ring gear 4.10 ratio (opt GT5)
  • full-floating axle 11.5" ring gear 3.73 ratio (opt GT4)


  • Year: 2000 GMC Sierra 2500 Rear Axle

  • full-floating axle 3.73 ratio (opt GT4)
  • semi-floating axle 3.42 axle ratio (opt GU6)
  • semi-floating axle 4.10 ratio (opt GT5)
  • semi-floating axle 3.73 ratio (opt GT4)
  • full-floating axle 4.10 ratio (opt GT5)


  • Year: 1999 GMC Sierra 2500 Rear Axle

  • semi-floating axle 4.10 ratio (opt GT5)
  • full-floating axle 4.10 ratio (opt GT5)
  • semi-floating axle 3.73 ratio (opt GT4)
  • semi-floating axle 3.42 axle ratio (opt GU6)
  • full-floating axle 3.73 ratio (opt GT4)