Hayden 5934 Accessory Drive Belt Idler Pulley - Alternator

Hayden 5934 Accessory Drive Belt Idler Pulley

The Hayden 5934 is a steel accessory drive belt idler pulley built for alternator pulley applications on select Mazda and Ford vehicles. It uses a smooth pulley surface and OE-style dimensions to support proper belt routing and consistent accessory drive operation.

Key Features

• Steel construction with a grey finish
• Smooth pulley design for back idler belt routing
• Outside diameter: 3.375 in. (95.250 mm)
• Pulley width: 1.062 in. (26.9 mm)
• Inside diameter / bore: 0.671875 in. (17 mm)
• Single mounting hole design
• Meets or exceeds OEM requirements
• Accessory drive belt idler pulley / tensioner pulley style

Product Details

Hayden Pulley 5934 is an idler / tensioner pulley for the accessory drive belt system. The steel pulley body and smooth groove profile are specified for back idler use, with dimensions that align with OE-style belt tracking needs. This part cross-references Dayco 89510 and Gates 36228 for the same application. It is a direct-fit style replacement for select Mazda 626, Mazda Millenia, Ford Probe, Mazda MX-6, and Mazda MX-3 alternator pulley applications.

Compatible With 1993-2002 Mazda 626, Alternator Pulley; 1995-2002 Mazda Millenia, Alternator Pulley; 1993-1997 Ford Probe, Alternator Pulley; 1993-1997 Mazda MX-6, Alternator Pulley; 1992-1994 Mazda MX-3, Alternator Pulley. Hayden 5934 is a practical choice when servicing the accessory drive belt system on these vehicles.

Common Issues This Part May Address

• Worn or noisy idler pulley bearings
• Belt tracking problems caused by pulley wear
• Accessory drive belt squeal from a damaged pulley surface
• Uneven belt movement at the alternator drive path
• Replacement of a pulley with incorrect bore or width dimensions

Installation Notes and Tips

Verify pulley diameter, width, bore size, and mounting style against the removed part before installation. Mounting hardware is not included, so reuse or source the correct hardware separately if required by the vehicle. Inspect the accessory drive belt, tensioner, and adjacent pulleys for wear at the same time to help prevent repeat service.

Quality Assurance

Hayden 5934 meets or exceeds OEM requirements and is built as an OE-style replacement pulley for the listed applications. Confirm fitment by year, make, model, and alternator pulley position before ordering.