1999-20031500 SL · V8.5328cc
Notes: 1999: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2000: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2001: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2010: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2012: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
1999-20171500 SLE · V8.5328cc
Notes: 1999: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2000: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2001: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2004: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2007: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2008: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2010: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2011: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2012: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2013: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2014: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline · 2015: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2016: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2017: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring;
1999-20171500 SLT · V8.5328cc
Notes: 1999: GM 9.5 in.; 14 bolt cover; 30 Spline · 2000: GM 9.5 in.; 14 bolt cover; 30 Spline · 2001: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline · 2004: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2007: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2008: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2010: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2012: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2014: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline · 2015: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2016: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing · 2017: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing
1999-20002500 SL · V8.5328cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
1999-20022500 SL · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
1999-20002500 SLE · V8.5328cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
1999-20042500 SLE · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
1999-20042500 SLT · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
1999-20002500 SLT · V8.5328cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2001-20031500 HD SLE · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2001-20031500 HD SLT · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2002-20051500 Base · V8.5328cc
Notes: 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline · 2004: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2014: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline · 2015: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2016: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; · 2017: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline
20021500 HT · V8.5328cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2002-20131500 WT · V8.5328cc
Notes: 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline · 2004: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2007: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2008: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2010: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2012: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1
2002-20042500 Base · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2003-20042500 WT · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2005-20061500 HD SLE · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2005-20061500 HD SLT · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline
2005-20061500 Hybrid · V8.5328cc
Notes: 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline
2005-20091500 SLE · V8.5967cc
Notes: 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2007: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2008: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
2005-20091500 SLT · V8.5967cc
Notes: 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2007: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2008: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1
20061500 SL · V8.5328cc
Notes: 1999: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2000: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2001: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2010: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2012: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
2007-20171500 Denali · V8.6162cc
Notes: 2007: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing · 2008: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2010: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2012: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2014: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; · 2015: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; · 2016: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; · 2017: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring;
20071500 HD Classic SLE · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearin
20071500 HD Classic SLT · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearin
20072500 HD Classic SL · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearin
20072500 HD Classic SL · V8.6599cc
Notes: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
20072500 HD Classic SLE · V8.5967cc
Notes: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
20072500 HD Classic SLE · V8.6599cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearin
20072500 HD Classic SLT · V8.5967cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearin
20072500 HD Classic SLT · V8.6599cc
Notes: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
20072500 HD Classic WT · V8.6599cc
Notes: GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearin
20072500 HD Classic WT · V8.5967cc
Notes: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
2009-20131500 Hybrid · V8.5967cc
Notes: 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2010: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2012: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1
2009-20171500 SLT · V8.6162cc
Notes: 2009: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2010: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2012: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2014: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline · 2015: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2016: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2017: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring;
2010-20131500 SL · V8.5328cc
Notes: 1999: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2000: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2001: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2006: GM 9.5 in.; 14 bolt cover; 30 Spline · 2010: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2012: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
2010-20131500 SLE · V8.6162cc
Notes: 2010: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2011: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline~GM 9.5 in.; 1 · 2012: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin · 2013: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.5 in.; 14 bolt cover; 30 Splin
2010-20131500 XFE · V8.5328cc
Notes: GM 8.6 in.; 30 Spline~GM 9.5 in.; 14 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing
2014-20171500 Base · V8.5328cc
Notes: 2002: GM 9.5 in.; 14 bolt cover; 30 Spline · 2003: GM 9.5 in.; 14 bolt cover; 30 Spline · 2004: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2005: GM 9.5 in.; 14 bolt cover; 30 Spline GM 8.6 in.; 30 Spline · 2014: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline · 2015: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2016: GM 8.6 in.; 30 Spline~GM 9.5 in.; 12 bolt cover; 30 Spline~GM 9.76 in.; 12 bolt cover; 30 Spline~GM Rear; ABS Tone Ring; · 2017: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline
2014-20171500 Denali · V8.5328cc
Notes: 2014: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 8.6 in.; 30 Spline · 2015: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli · 2016: GM 9.76 in.; 12 bolt cover; 30 Spline · 2017: GM Rear; ABS Tone Ring; 32 Tooth; Installs into axle housing behind the axle bearing GM 9.76 in.; 12 bolt cover; 30 Spli