This 5.3L engine, equipped with the LH6 option and identified by the 8th digit VIN M, is a dependable used engine for gasoline-powered vehicles. Its naturally aspirated V8 configuration ensures steady and reliable performance. The electronic sequential injection system enhances fuel management, improving combustion and efficiency. The V8 cylinder layout and the SOHC valve train system offer long-term durability and consistent operation. Ideal for vehicle replacements or upgrades, this engine delivers a balance of power, reliability, and efficiency for a range of driving needs.