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. 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. Dedicated support: Rocker Arm (MPN 3017751) includes a 12-month warranty!

About Scania

Scania provides innovative and sustainable transport solutions for commercial vehicles worldwide.

Why Choose Scania?

• Scania parts are built to last, even in tough conditions, which means fewer repairs and less downtime for your vehicle. • We use genuine Scania designs and materials, so you can be sure everything fits perfectly and works as it should. • Choosing Scania parts helps keep your vehicle’s value high, because buyers trust the quality and reliability of our brand. • Our wide network of service centers and dealers means you can easily get the parts you need, when you need them, along with expert support. Scania – trusted quality, available at FixParts Online!