Bosch 648-070-08-32 Fuel Return Line for Mercedes-Benz

The Bosch 648-070-08-32 is a genuine OEM fuel return line designed for Mercedes-Benz 6-cylinder CDI diesel engines. Also known as a leak-off line or overflow line, this critical fuel system component connects the fuel injectors and returns excess fuel from the common rail injection system back to the fuel tank.

Key Features:

• Genuine Bosch OEM quality and fitment
• Direct replacement for Mercedes-Benz part number A 648 070 08 32
• Designed for 6-cylinder CDI diesel engines
• Durable construction for reliable fuel system operation
• Prevents fuel leaks and maintains proper injection system pressure

This fuel return line assembly is essential for maintaining optimal performance and preventing fuel system contamination. Replacing worn or damaged return lines during injector service helps ensure proper fuel pressure regulation and prevents potential leaks in the high-pressure diesel injection system.