This part basically keeps the right amount of tension on your serpentine belt – that’s the belt that runs a lot of your accessories like your power steering pump, alternator, and air conditioning compressor. It has a spring – loaded arm and a pulley, and it automatically adjusts to keep the belt from slipping or getting too tight. Sometimes it also has a damper inside to help absorb vibrations and reduce noise. Think of it like this – the belt is what powers those accessories, and the tensioner is what makes sure the belt stays connected and working smoothly. Without it, the belt will flap around and won’t turn those parts properly. It’s a critical piece in keeping everything running as it should. If the tensioner goes bad, you'll likely notice pretty quickly. You’ll probably hear a whining or squealing noise, especially when you turn the steering wheel or when your engine is under load. A failing tensioner can also cause the belt to wear out faster, or even break, which could leave you stranded. It can even damage other components if the belt fails. It acts like a shield, preventing those bigger problems. You’ll notice if it’s starting to fail—usually through noise or if your battery light comes on because the alternator isn’t charging right. A lot of people find what they need at places like Fixparts Online, but any good auto parts store should have one for your vehicle. It's definitely a part you want to keep an eye on and replace when it starts to show wear. Dedicated support: Belt Tensioner (MPN VOE21479276) includes 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 to the exact standards of your Volvo machine, so they fit right and work like they should. • Reduce downtime with reliable parts and a strong supply network, keeping your equipment running when you need it most. • Protect your investment – using genuine Volvo parts helps maintain your machine’s value. • Count on expert support from people who understand Volvo equipment inside and out. Drive with confidence – choose Volvo Construction parts at FixParts Online.