The John Deere MCTY27017 Fuel Conditioner is a genuine OEM additive designed to protect and enhance diesel fuel performance. This 16 oz (473 mL) bottle provides comprehensive fuel system maintenance, preventing fuel gelling in cold weather, inhibiting corrosion, and improving fuel stability. It helps to keep injectors clean and ensures optimal engine operation, making it suitable for all diesel engines, including those with common rail injection systems. Regular use helps extend fuel system component life and maintains engine efficiency.