The Fuel Return Lines Assembly is used to channel surplus fuel from the engine's fuel injection system back to the fuel tank. It ensures consistent pressure across the fuel system by allowing unused fuel to recirculate, supporting fuel injector performance, and reducing the risk of vapor lock. It maintains optimal fuel temperature, prevents over-pressurization, and supports smooth engine operation. It aids in extending the life of fuel system components and contributes to better fuel efficiency and emissions control. Attributes:• Flexible routing allows easy integration within engine compartments.• Leak-resistant connections ensure consistent fuel containment.• Smooth internal passage reduces turbulence and flow resistance.Applications: The Fuel Return Lines Assembly is installed between the fuel injectors and fuel tank, directing unused fuel back for pressure control and temperature regulation.