MAN 51103020809 Injection Line

Description

The MAN 51103020809 injection line is a critical component within the fuel supply system of diesel engines. This line is responsible for delivering high-pressure fuel from the pump to the engine's injectors, ensuring precise fuel atomization for optimal combustion. Manufactured in Germany, this injection line measures 45 x 400 x 450 mm and is designed to withstand the demanding pressures and temperatures of modern diesel engines, contributing to improved engine performance, reduced emissions, and enhanced durability.

Key Features & Benefits

This line basically delivers fuel from the fuel tank, through the fuel pump and filter, and right up to the fuel injectors on your engine. It’s a pretty simple part, really—it’s just a tube, but it needs to handle pressurized fuel and resist corrosion. They’re usually made of a special rubber or a composite material that can stand up to gasoline and all the heat under the hood. Think of it as a crucial artery in your engine’s fuel system. It’s how the fuel actually gets to where it needs to be to make power. The fuel pump pushes the fuel through this line, and the injectors then spray it into the engine. Without a good, solid line, you won’t have fuel reaching the engine consistently, or at all. Sometimes these lines run along the underside of the vehicle, so they’re exposed to road grime and potential damage.

Symptoms, Risks & Replacements

It’s vital because even a tiny leak or crack in this line can cause serious problems. You’ll notice if you have a leak usually – you'll smell fuel, and potentially see it dripping. But sometimes it's a slow weep, so it's not always obvious right away. A failing line can cause rough running, a loss of power, or even prevent the engine from starting. It acts like a shield protecting the fuel delivery system from contamination, and keeping everything sealed up. Ignoring a bad fuel line can lead to much bigger, more expensive repairs down the road. If you're doing any work on the fuel system, it’s always smart to check these lines for wear and tear. You can find replacement injection lines pretty easily, even online – I often recommend Fixparts Online because they have a good selection.

Warranty Information

MAN Injection Line (MPN 51103020809) comes with a 1-year warranty.