I. OEM Part Number 3R2Z6A257DA 3L3E6C524FA 3R2Z-6A257-DA 3L3E-6C524-FA II.The Part will fit the followings: 2005-13 Fo-rd Ex-pedition Camshaft Variable Valve Timing Actuator Sprocket for V8 5.4L 2006-08 Fo-rd Ex-plorer 4 Door Camshaft Variable Valve Timing Actuator Sprocket for V8 4.6L 2009-10 Fo-rd Exp-lorer Camshaft Variable Valve Timing Actuator Sprocket for V8 4.6L 2007-10 Fo-rd Ex-plorer Sport Trac Camshaft Variable Valve Timing Actuator Sprocket for V8 4.6L 2004 Fo-rd F150 Truck Camshaft Variable Valve Timing Actuator Sprocket for V8 5.4L (excluding Heritage Models) 2005-10 Fo-rd F150 Truck Camshaft Variable Valve Timing Actuator Sprocket for V8 5.4L 2009-10 Fo-rd F150 Truck Camshaft Variable Valve Timing Actuator Sprocket for V8 4.6L 2005-10 Fo-rd F250 Su-per Duty Truck Camshaft Variable Valve Timing Actuator Sprocket for V8 5.4L 2005-10 Fo-rd F350 Su-per Duty Truck Camshaft Variable Valve Timing Actuator Sprocket for V8 5.4L 2005-10 Fo-rd Mu-stang Camshaft Variable Valve Timing Actuator Sprocket for V8 4.6L 2006-08 Lin-coln Mark LT Camshaft Variable Valve Timing Actuator Sprocket for V8 5.4L 2005-13 Lin-coln Na-vigator Camshaft Variable Valve Timing Actuator Sprocket for V8 5.4L 2006-10 Mer-cury Mountaineer Camshaft Variable Valve Timing Actuator Sprocket for V8 4.6L