ACDelco 24590404 Serpentine Belt Idler Pulley

The ACDelco 24590404 is a GM Genuine Parts serpentine belt idler pulley designed to maintain proper belt tension and routing in your vehicle's accessory drive system. This GM Original Equipment part is designed, engineered, and tested to rigorous General Motors standards, ensuring reliable performance and precise fitment for compatible GM vehicles.

Key Features:

• Features a sealed ball-bearing construction and is used to divert the drive belt to components such as the alternator, water pump, or power steering pump
• GM Original Equipment quality for dependable, long-lasting operation
• Direct replacement for worn or failed original idler pulleys
• Helps prevent belt slippage, noise, and premature accessory wear
• Manufactured to OE specifications for proper fit and function

The idler pulley plays a critical role in your engine's accessory drive system by maintaining correct belt alignment and tension. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment. Replace your idler pulley at the first sign of wear, noise, or bearing roughness to avoid belt failure and potential engine damage.