This used engine, the 5.4L VIN A, DOHC, and upper manifold ID YL7E-9424-AA, delivers consistent power and efficiency. Its double overhead cam system ensures smooth operation and high performance. As a used engine, it provides an economical alternative for replacements while maintaining exceptional quality. The advanced upper manifold design optimizes air intake, contributing to enhanced power delivery and fuel economy. For vehicle owners seeking a reliable and efficient used engine, this model offers a perfect combination of performance, affordability, and engineering excellence.