MAN 51012010439 cylinder liner

Description

The MAN 51012010439 cylinder liner is a critical engine component responsible for guiding the piston's movement within the cylinder block. It creates a seal to contain combustion and dissipate heat, ensuring efficient engine operation. These liners are used in heavy-duty diesel engines, specifically within the crankcase assembly. Constructed with high-quality materials and precise machining, this cylinder liner offers exceptional wear resistance, thermal conductivity, and a tight seal, ultimately contributing to increased engine life and performance. It measures 160 x 160 x 270 mm and is manufactured in Germany.

Key Features & Benefits

These are basically the walls of each cylinder in your engine. They’re these tough, precisely – made sleeves that the pistons move up and down inside. They handle a lot of stress from combustion – that explosion that makes your engine run. They guide the piston’s motion, seal the combustion chamber, and help transfer heat away from the explosion. It’s a core part of what makes your engine work. Without good cylinder liners, you don’t have a functioning engine. Think of it like this: the cylinder liner is where all the power actually happens. It’s the main working surface for turning fuel into motion. Everything else in the engine relies on these doing their job smoothly.

Symptoms, Risks & Replacements

Well, if these get scored, worn, or cracked, you lose compression. That means less power, rough idling, increased oil consumption, and eventually, engine failure. They act like a shield protecting the engine block itself from all that heat and pressure. You’ll notice if one goes bad – usually through a loss of power, strange noises, or seeing a lot of smoke coming from the exhaust. If you need to replace one, you can sometimes find just the liner itself, but often it's a bigger job involving a complete engine overhaul. We carry a good selection of these at Fixparts Online if you’re looking, and we can help you find the right size for your vehicle.

Warranty Information

MAN cylinder liner (MPN 51012010439) comes with a 1-year warranty.