Hearing a squealing or grinding noise from the front of your GM truck or SUV with a 5.3L (like the LC9) or similar V8? It's probably a worn-out idler pulley bearing. This Genuine GM Parts idler pulley (part #12669569) is the exact same part that was installed on your vehicle at the factory. It's engineered and tested by GM to fit perfectly and work seamlessly with your engine's serpentine belt system. The idler pulley helps route the drive belt around all your accessories like the alternator, power steering pump, and A/C compressor. Replacing a noisy or seized pulley prevents belt damage and keeps all your crucial components running. As a genuine GM part, you know it meets all the original safety and performance specs. Some of these were formerly sold as ACDelco OE. Don't gamble with aftermarket parts that might not fit right. Fix that annoying noise with the part your GM vehicle was built for. Order this Genuine GM idler pulley and get a quiet, reliable ride back!
