Harmonic Balancer for Select 99-12 Jeep WK, WJ, XK, KJ, KK w/ 3.7 or 4.7L Engine Crown AutomotiveHarmonic Balancer for Select Jeep 1999 2010 WK, WH, WJ, WG Grand Cherokee, XK, XJ Commander, 2002 2012 KJ, KK Liberty, All w 3. 7 or 4. 7L Engine Features and Benefits: 12 Month Warranty Direct Replacement For Models w 3. 7L or 4. 7L Engines Steel Construction Uses OE Hardware Details: Material: Metal, Rubber Color: Black Hardware Included: Use Existing Hardware Application: 1999 2004 Jeep WJ Grand Cherokee w 4. 7L Engine w o High Output None; 2001