The 4.0L engine with the 5th digit VIN H is a strong used engine option known for its reliability and efficiency. Designed with a naturally aspirated configuration, it provides steady power without the complexities of turbocharging. Its electronic multi-port fuel injection system supports consistent fuel distribution, ensuring both power and fuel economy. With a single overhead cam (SOHC) and a balanced V6 configuration, this used engine offers dependable performance, making it ideal for drivers who prioritize simplicity and durability in their vehicle's engine.