Basically, this little guy maintains the correct amount of tension on your serpentine belt. That belt drives a lot of important things—your alternator, power steering pump, air conditioning compressor, sometimes even the water pump. The tensioner has a spring – loaded arm, and it automatically takes up any slack in the belt as the engine runs and parts wear a little. It keeps everything running smoothly and prevents the belt from slipping or flapping around. Some of them also have a pulley built in to guide the belt. Think of it as a key player in keeping all your accessories powered up. Without the right tension, those accessories won't work correctly, or at all. It’s part of the front engine accessory drive system. It’s positioned to apply pressure to the belt, keeping it tight around all those pulleys. It works alongside other idler pulleys to make sure the belt has a nice, consistent path. If this tensioner fails, you’ll notice if it's a bad one pretty quickly. You might hear a squealing or chirping sound, especially when you first start the car or when you put a load on the engine, like turning the steering wheel or turning on the AC. A failing tensioner can also cause the belt to wear out faster, or even break, which can leave you stranded. If it seizes up completely, it can cause serious damage to other components. A new one is relatively inexpensive compared to the cost of fixing problems caused by a broken belt or a damaged alternator. You can find a good one at places like Fixparts Online, and honestly, it's something you want to address before it becomes a bigger issue. Buy risk-free: Serpentine Belt Tensioner (MPN 19119) is covered by a 3 year manufacturer guarantee!

About Febi

Febi is a well-regarded German brand in the aftermarket sector, known for its extensive range of reliable spare parts. Based in Germany, Febi consistently delivers high-quality components that ensure optimal vehicle performance.

Why Choose Febi?

• Febi parts are made to the same standards as original equipment, so you get reliable quality. • We offer a huge range of parts – from engine components to wear-and-tear items – covering many vehicle makes and models. • Febi has been a trusted name in the automotive industry for over 70 years, so you’re choosing a brand with a long history of performance. • You get a great balance of quality and price, meaning you don’t have to break the bank to keep your vehicle running smoothly. Febi delivers excellence, FixParts Online delivers to your door.