This 3.5L V6 engine, denoted by VIN digit 3, is suited for sedans with automatic transmission that adhere to ULEV 2 (Ultra Low Emission Vehicle) standards under federal guidelines. The naturally aspirated setup provides consistent, smooth power, while the multi-point injection ensures compliance with ULEV 2 requirements. With a V6 layout for stable performance and DOHC for efficient operation, this used engine is ideal for drivers seeking a low-emission engine that doesn't compromise on driving performance or efficiency.