Hayden 5056 Accessory Drive Belt Idler Pulley - Accessory Drive or Air Conditioning

Hayden 5056 Accessory Drive Belt Idler Pulley

The Hayden 5056 is a steel accessory drive belt idler pulley built for serpentine belt systems that need a precise, grooved pulley surface and stable belt tracking. It is a direct-fit style replacement for a wide range of applications, including Ford Mustang, Chevrolet Malibu, and GMC Savana models.

Key Features

• Steel pulley construction with a black finish
• 6-groove design for serpentine belt routing
• 3.000 in. outside diameter for OE-style belt alignment
• Idler / tensioner pulley style for accessory drive systems
• Meets or exceeds OEM requirements
• Single mounting hole design
• Cross-references Continental 49106 and Dayco 89051 for the same application

Product Details

Hayden Pulley 5056 is an accessory drive belt idler pulley engineered for serpentine belt applications where consistent belt contact and smooth rotation matter. With a 6-groove profile, 0.875 in. belt width specification, and 3.000 in. outside diameter, it matches common OE dimensions used across passenger cars, vans, and trucks. This pulley is listed for applications such as 2007-2010 Ford Mustang, 2004-2010 Chevrolet Malibu, and 2017-2022 GMC Savana 3500, along with additional Ford, Chevrolet, GMC, Pontiac, Saturn, Lincoln, Mercury, Chrysler, Dodge, Honda, Buick, and Oldsmobile fitments. The Hayden 5056 is a practical replacement when servicing a worn idler pulley in the accessory drive belt system.

Common Issues This Part Addresses

• Grooved pulley wear that can affect serpentine belt tracking
• Belt noise caused by a rough or damaged pulley surface
• Accessory drive belt misalignment from a worn idler pulley
• Visible pulley wobble or bearing-related rotation issues
• Service replacement for OE-style belt routing on supported vehicles

Installation Notes and Tips

Verify pulley diameter, groove count, bore size, and belt width before installation. This part uses a single mount hole and mounting hardware is not included. Confirm the vehicle’s belt routing and inspect the serpentine belt, tensioner, and adjacent pulleys at the same time to avoid repeat service. For fitment verification, check the exact application on models such as Ford Crown Victoria, Mercury Grand Marquis, and Chevrolet Equinox before installation.

Quality Assurance

Hayden lists this pulley as meeting or exceeding OEM requirements. The steel construction supports OE-style durability for accessory drive service, and the part is designed as a direct replacement pulley for confirmed applications.