VCT Variable Camshaft Cam Timing Solenoid Oil Control Valve VVTi Timing for Ford 4.6L 281 5.4L 330 3V with Seal an Screw 8L3Z-6M280-A 3L3Z-6C535-AA Adjusts camshaft timing for optimal engine performance Direct replacement for a proper fit every time Precision-machined for accurate, dependable operation Meets or exceeds OEM performance requirements Replaces Original Equipment (OE) number: 8L3Z-6M280-A, 3L3Z-6M280-EA, 8L3Z-6M280-B, 3L3Z-6C535-AA