Dayco 89856 Light Duty Idler/Tensioner Pulley

The Dayco 89856 is a light duty idler/tensioner pulley designed to maintain proper belt tension and alignment in serpentine and accessory drive belt systems. Dayco is a globally recognized leader in belt drive technology, and this pulley is engineered to OEM specifications for reliable, long-lasting performance in demanding automotive applications.

Key Features:

• Light duty idler/tensioner pulley for serpentine and accessory belt drive systems
• Engineered to original equipment specifications for precise fit and function
• Smooth-running bearing construction minimizes friction and reduces belt wear
• Durable construction resists heat, moisture, and contaminants
• Direct OEM replacement — no modifications required for installation
• Manufactured by Dayco, a trusted name in power transmission and belt drive components

Replacing a worn or noisy idler or tensioner pulley helps prevent premature belt failure, reduces unwanted squealing, and protects other drive system components. The Dayco 89856 is a straightforward OEM-style replacement that restores proper belt system operation.