What engines will fit a 2000 Nissan Xterra se v6 4x4?

The 2000 Nissan Xterra SE V6 4x4 is equipped with a 3.3-liter VG33E V6 engine. While the primary compatible engine is the VG33E, some enthusiasts may consider swapping in a 4.0-liter VQ40DE engine from later models, though this requires significant modifications. It’s important to ensure that any replacement engine is compatible with the vehicle's transmission and electronics. Always consult with a professional mechanic for the best options and guidance on engine swaps.