A common problem on the Cummins 5.9L engine is contamination of the fuel fittings and lines resulting in injector failure when serviced. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. GB premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

• Premium OE quality materials
• Cylinder specific exact-fit geometry ensures a leak free connection
• Precision machined fittings with corrosion resistant plating
• Includes OE fit mounting bracket where applicable