ARANA Rear Window Glass Lift Supports/Window Lift Struts/Gas Springs compatible with 2002-2005 GMC Envoy/2003-2008 Isuzu Ascender/2002-2006 Chevrolet Trailblazer Exact fit original equipment design ensures easy installation and precise operation Vehicle Location: Rear Window Glass. Interchange number: 4575,SG330052 Perfect fits 2002-2005 GMC Envoy or 2003-2008 Isuzu Ascender or Chevrolet Trailblazer Extended Length A [in]: 19.97,Compressed Length B [in]: 13.97,Stroke C [in]: 6.00 2 pieces per package,any quality problem,welcome to contact us Extended Length A [in]: 19.97 Compressed Length B [in]: 13.97 Stroke C [in]: 6.00 Rod Diameter: 0.24