ASTRO Idler Arm 1990-2005 LI03T ASTRO Idler Arm 1990-2005 LI03T Idler Arm. The Make is CHEVROLET, Model is ASTRO and year was for ASTRO: 1990, 1991, 1992, 1993, 1994, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005. OEM LI03T K6392T 12471302 88911355 26057013 26015458 APLICATIONS Make Model Year Range Position Drive Wheel Chevrolet Astro 2005-1990 N/A RWD GMC Safari 2005-1990 N/A RWD SPECIFICATIONS Pre-Greased Yes Grease Fitting Included Yes Greaseable Yes Dust Boot Included Yes Castle Nut Included Yes Cotter Pin Included Yes Arm Attachment Type Bolt To Frame Length (IN) 6.339 Length (MM) 161.0 Mount Hole Diameter (IN) 2.126 Mount Hole Diameter (MM) 54.0