The 3.9L V6 engine marked by the 8th digit VIN 6 is a reliable used engine solution, especially suitable for those needing a naturally aspirated engine with straightforward, dependable performance. Its high-efficiency sequential fuel injection system ensures optimized fuel distribution, enhancing overall fuel economy and stability. The inline 6-cylinder configuration is recognized for its smooth power delivery and balanced performance, and the single overhead cam design provides dependable timing control. This used engine is a solid choice for vehicles that require efficient operation without the added complexity of forced induction, ideal for long-term dependability and functionality.