The Purolator F56117 Fuel Filter is engineered to provide superior filtration for diesel engines, ensuring optimal performance and longevity. Designed with precision, this spin-on filter measures 6.39 inches in length and 4.02 inches in diameter, making it compatible with various diesel engine applications. Its high-efficiency media effectively removes contaminants such as dirt, rust, and water from the fuel system, safeguarding critical components like fuel injectors and pumps from potential damage. By maintaining a clean fuel system, the F56117 contributes to smoother engine operation and improved fuel efficiency. Regular replacement of this filter is recommended to uphold engine performance and prevent costly repairs. The Purolator F56117 Fuel Filter meets or exceeds original equipment specifications, reflecting the brand's commitment to quality and reliability.