Fuel odor, Engine misfires, hard starting, and stalling, Fuel leaks are the symptoms of possible issue with fuel injection lines. Any sort of fuel injection line issues can lead to fuel leaks, so you should solve the issue immediately to avoid meet more serious issues. You can choose Niyako bending resistance fuel line. It offers improved power,provides sensitive way to connect, get better engine performance for improved power and smooth acceleration. After prolonged use, the lines can become worn, corroded and weakened. If any of the lines wear out and rupture it will cause the vehicle to leak fuel. Leaky fuel lines will produce drips, or in more serious cases, puddles of fuel on the undersides of the vehicle. Niyako fuel injector feed lines manufactured from ST52 high-quality materials for improved durability, each pipe is accurately bent and carefully inspected to ensure easy installation and no leakage at the nut connection. Compatible with: 2003-2009 Ram 2500 Diesel2003-2009 Ram 3500 Diesel Replacement Part Numbers: 904-327904-326904-325904-324904-323904-322904-972904-971904-970, 904-968904-969, 904-967 Features: 5086871AA - Cylinder 15086872AB - Cylinder 25086873AB - Cylinder 35086874AB - Cylinder 45086875AB - Cylinder 55086876AD - Cylinder 6 NOTE: New Fuel Injector Lines restores proper operation of the fuel injection system by effectively cycling fuel through the injectors. Installation Manual Is NOT Included Professional Installation Is Highly Recommended