Will a 2005 Toyota Corolla engine fit in a 1999 Toyota Corolla?

Yes, a 2005 Toyota Corolla engine can fit into a 1999 Toyota Corolla, but modifications may be necessary. The engine mounts, wiring harness, and ECU might differ between the two models, requiring adjustments for compatibility. Additionally, it’s important to ensure that both engines are of the same type, such as both being from the same series (e.g., 1.8L engines). Always consult a professional mechanic for specific compatibility and installation guidance.