MAN 51042015105 Rocker Arm

Description

The MAN rocker arm is a critical component within the valve train of an internal combustion engine. It transfers motion from the camshaft to the valve stem, opening and closing the valves to control the flow of air and fuel into, and exhaust gases out of, the engine cylinders. This particular rocker arm is designed for use in MAN engines, ensuring precise valve timing and optimal engine performance. Its robust construction and precise machining contribute to increased engine efficiency, reduced wear, and improved overall reliability. The dimensions of this rocker arm are 31 x 53 x 120 mm.

Key Features & Benefits

These guys are all about taking the circular motion of your camshaft and turning it into the up – and – down motion that opens and closes your engine’s valves. Basically, the camshaft lobe pushes on the rocker arm, and that movement then pushes down on the valve stem. They’re a lever, simple as that. They have to do it precisely and repeatedly, thousands of times a minute when you’re driving. They’re a critical part of your engine’s valve train, which is everything that controls how air and fuel get into the cylinders and how exhaust gets out. Without working rocker arms, your engine just won’t run. Think of them as a key link between what makes your engine go and the actual combustion happening inside. They work alongside things like your pushrods, lifters, and of course, the camshaft itself, to make sure everything is timed correctly.

Symptoms, Risks & Replacements

Well, if a rocker arm goes bad, you’ll definitely notice. You’ll probably hear a ticking or clicking sound from the engine, and it might run rough, lose power, or even stall. Over time, they can wear down, or even break, from all that stress and heat. A worn rocker arm doesn't transfer the motion smoothly, so it’s like a miscommunication in the engine. It affects everything from fuel efficiency to how much power you get. You can find replacements pretty easily, and Fixparts Online has a good selection of them. It's one of those things where preventing a problem by replacing worn parts is much easier and cheaper than dealing with a major engine failure down the road. They really act like a shield protecting the more expensive parts of your engine.

Warranty Information

MAN Rocker Arm (MPN 51042015105) comes with a 1-year warranty.