Basically, this little component lets your alternator freely spin in one direction, but locks up in the other. Think of it like a one – way street for power. It allows the engine to drive the alternator without any issues, but if the alternator starts to slow down – say, because of a heavy electrical load or even a failing alternator – it disengages. That prevents the engine from being dragged down or even damaged by a seized or struggling alternator. It handles the transfer of power from the engine to the alternator, and then back again, smoothing everything out. It’s positioned between the engine’s crankshaft and the alternator. When the engine is running normally, the clutch is engaged and the alternator spins with it, charging your battery and running your electrical system. If the alternator experiences resistance—a bad bearing, for instance—the clutch slips, preventing that resistance from impacting the engine’s rotation. It’s a crucial piece in making sure your charging system functions smoothly without putting strain on other parts. Without a functioning overrunning clutch, a failing alternator can actually damage the front of your engine. It’s kind of a safeguard. You’ll notice if it’s gone bad because you might hear a rattling or grinding noise coming from the front of the engine, especially at idle or low speeds. You may also see warning lights on your dash related to the charging system. It acts like a shield, protecting more expensive components. If you're doing a water pump replacement, it’s often smart to replace this at the same time since it’s right there and often requires similar labor. You can find a good one at places like Fixparts Online, or of course, we carry them here too. Shop with confidence: Alternator Overrunning Clutch (MPN 15090) comes with 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 – trusted quality, available at FixParts Online!