This 5.4L used engine with VIN L is configured for compressed natural gas (CNG) operation, offering an environmentally friendly and cost-effective alternative to conventional fuels. As a used engine, it is an economical choice for vehicle replacements, retaining its performance and reliability. Its single overhead cam design ensures smooth operation and optimal fuel combustion, making it an excellent choice for fleet or personal vehicles running on CNG. This used engine delivers consistent power while reducing emissions, ideal for sustainable transportation solutions.