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. Proven track record: Rocker Arm (MPN VOE11428121) is backed by a 12-month warranty!

About Volvo Construction

Volvo Construction Equipment produces machinery designed for the toughest construction and mining operations.

Why Choose Volvo Construction?

• Get parts built for your Volvo machine – they’re designed to fit and work perfectly together, giving you better performance and reliability. • Reduce downtime with parts that are made to last and backed by a strong warranty, so you can keep your equipment working when you need it most. • Improve your machine’s value – using genuine Volvo parts helps maintain its resale value, protecting your investment. • Count on a wide availability of parts and expert support, ensuring you get what you need, when you need it, and get the help you deserve. Volvo Construction delivers excellence, FixParts Online delivers to your door.