Car owners and mechanics, if your A/C system's idler pulley is making noise or worn out, this ACDelco Professional replacement is exactly what you need. The 15-40372 idler pulley is part of the A/C drive belt system that routes the belt properly to drive your air conditioning compressor. This is a premium aftermarket part that meets ACDelco's high standards for fit, form, and function. The pulley bearings are designed for smooth, quiet operation and long life. Installation is pretty straightforward if you're comfortable working under the hood - just relieve tension on the belt, remove the old pulley, and install this new one. Perfect for when you're hearing squealing, grinding, or chirping noises from your A/C belt area, or if the pulley has visible wear or play. Using a worn idler pulley can lead to belt damage, poor A/C performance, or even complete belt failure. This Professional series part delivers the reliability and performance you expect from ACDelco without the dealership price tag. Whether you're doing preventative maintenance, repairing a noisy pulley, or completing a larger A/C system job, having a quality idler pulley is essential for proper system operation. The construction is solid and the bearings feel smooth right out of the box. Seriously, if your A/C belt area is making unpleasant noises or you're seeing wear on your current idler pulley, this replacement will restore quiet, reliable operation to your vehicle's A/C system. Your ears - and your air conditioning - will thank you!
Free 30-day returns 
Free 30-day returns
