This 4.0L engine, marked by the 7th digit VIN 2 and equipped with standard emissions and secondary AIR injection, is an environmentally-friendly used engine option. The naturally aspirated V6 engine provides reliable power, while the secondary AIR injection system enhances emission control for reduced environmental impact. Its multi-port electronic fuel injection ensures efficient fuel distribution, and the DOHC configuration promotes smooth operation. This used engine is ideal for drivers prioritizing both performance and emissions compliance in their vehicle’s engine.