Hayden 5012 Accessory Drive Belt Idler Pulley - Power Steering

Accessory Drive Idler Pulley Overview

The Hayden 5012 accessory drive belt idler pulley is a steel, smooth-back pulley built for serpentine belt systems. It is specified as an idler/tensioner pulley with a 3.250-inch outside diameter and a 1.062-inch pulley width for direct replacement use in select belt drive applications.

Fits 1987-2012 Nissan Rogue, Honda Fit, INFINITI M45, INFINITI FX45, INFINITI Q45, Chevrolet HHR, Chevrolet Cavalier, Pontiac Sunfire, Buick LaCrosse, and other listed applications across the 1987-2012 model years.

Key Features

• Hayden Pulley line accessory drive belt idler pulley
• Steel construction for belt-drive durability
• Smooth groove design for serpentine belt routing
• Back idler pulley style with one mounting hole
• 3.250 in. outside diameter and 1.062 in. pulley width
• Meets or exceeds OEM requirements
• Direct replacement for select power steering and accessory drive applications

Detailed Product Description

Hayden 5012 is an OE-style accessory drive belt idler pulley for serpentine belt systems that require a smooth pulley surface. The steel pulley measures 82.550 mm outside diameter, 26.9 mm width, and 17 mm inside diameter, with a 0.668-inch bore diameter. It is used in a range of applications including Nissan Rogue, Honda Fit, INFINITI M45, INFINITI FX45, INFINITI Q45, Chevrolet HHR, Chevrolet Cavalier, Pontiac Sunfire, and Buick LaCrosse. This part cross-references Monroe Shocks & Struts 5645 for the same application.

Common Problems This Part Can Address

• Worn or noisy accessory drive belt idler pulley
• Belt tracking issues caused by pulley surface wear
• Serpentine belt vibration from a damaged pulley bearing assembly
• Improper belt routing at the accessory drive system
• Replacement needs for power steering or accessory drive pulley service

Installation Notes and Tips

Confirm the pulley style, belt type, and dimensions before ordering. This Hayden 5012 pulley is a smooth back idler design for serpentine belt systems, and fitment varies by vehicle and engine accessory layout. Mounting hardware is not included, so reuse or source the correct hardware separately if required by the application. Verify the vehicle’s original pulley diameter, width, and bore dimensions against the listed specifications before installation.

Quality Assurance

Hayden lists this pulley as meeting or exceeding OEM requirements, making it a direct replacement option for select accessory drive belt applications. The Hayden 5012 is built to match the dimensional and functional requirements of the original pulley in supported vehicles.