The 4.0L engine, marked by the 5th digit VIN F, is a practical used engine option designed for steady and reliable performance. This naturally aspirated V6 engine delivers consistent power output without the added complexity of turbocharging, making it low-maintenance and ideal for long-term use. Its sequential electronic fuel injection system promotes efficient fuel delivery, enhancing both performance and fuel economy. The balanced V6 cylinder layout provides smooth operation, while the single overhead camshaft (SOHC) ensures dependable timing. This used engine is a solid choice for those in need of durability and efficiency in their vehicle’s powertrain.