A4720701838
Fuel Line - Needle, Fuel Return
Detroit Diesel

The needle for the fuel return line acts as a precision control element, regulating the flow of fuel returning to the tank. Its fine-tuned design ensures minimal fuel leakage and consistent pressure regulation, which is vital for engine stability and efficiency. Made from durable materials, it resists corrosion and wear over prolonged use. Correct installation of this needle is critical to prevent fuel leaks and maintain proper pressure levels within the fuel return system. Its role is especially important in high-pressure applications where precision is key to avoiding system malfunctions. Reliable fuel return operation helps improve overall engine efficiency and reduces emissions. Source One Parts Center supplies this essential component as part of their extensive diesel parts catalog.