NP-242 Transfer Case Secondary Idler Sprocket Fits 1999 to 2004 WJ Grand Cherokee;Fits 2005 to 2012 WK Grand Cherokee;4.7L 8 cylinder engine;Chain Secondary Idler Sprocket JEEP GRAND CHEROKEE (WJ) GRAND CHEROKEE (WK) LAREDO LIMITED OVERLAND SPECIAL EDITION SPORT 1999 2000 2001 2002 2003 2004 2005 4.7L Power-Tech (285) 4.7L Power-Tech (285) Magnum 4.7L Power-Tech HO (285) GAS Crown Automotive Crown Automotive NP-242 Transfer Case Secondary Idler Sprocket - 53021021 53021021 Transfer Case Drive Sprocket