Dorman 917-951 Idler Pulley Adjuster Bolt Kit. Fits what vehicles: 1996-2001 Jeep Cherokee, 1997-2002 Dodge Dakota, 1997-1998 Jeep Grand Cherokee, 1997-2002 Jeep Wrangler. ABOUT DORMAN PRODUCTS. People's lives and livelihoods depend upon cars and trucks.