Hayden 5036 Accessory Drive Belt Idler Pulley

Accessory Drive Belt Idler Pulley for Ford V8 Serpentine Systems

The Hayden 5036 accessory drive belt idler pulley is a steel replacement pulley built for serpentine belt systems that use an 8-groove, 3.500-inch outside diameter design. It is a direct-fit style idler/tensioner pulley for select Ford E-350 Econoline, E-350 Econoline Club Wagon, F-250, F-250 HD, and F-350 applications.

With an 8-groove profile, black steel construction, and OEM-matching dimensions, this Hayden pulley is built for accurate belt tracking and consistent accessory drive operation. The Hayden Pulley line focuses on replacement pulleys for belt drive service, and part number 5036 is listed as meeting or exceeding OEM requirements.

Key Features

• Steel pulley construction with a black finish
• 8-groove serpentine belt design
• 3.500-inch outside diameter for OE-style fitment
• 1.375-inch belt width and 1.48-inch pulley width
• Single mounting hole design
• Meets or exceeds OEM specifications
• Direct replacement style idler / tensioner pulley

Detailed Description

Hayden 5036 is an accessory drive belt idler pulley engineered for serpentine belt systems that require an 8-groove pulley with a 0.671875-inch inside diameter and 88.900 mm outside diameter. The steel body provides the rigidity needed for stable belt routing, while the pulley dimensions support proper alignment in the accessory drive system. This part cross-references Gates 38052 and Dayco 89057 for the same application.

Compatible With 1995-1997 Ford E-350 Econoline, 1995-1997 Ford E-350 Econoline Club Wagon, 1995-1997 Ford F-350, 1995-1996 Ford F-250, and 1997 Ford F-250 HD, this Hayden 5036 pulley is a practical replacement when servicing a grooved serpentine belt setup. It is also listed under interchange references including Ford F5TZ8678B and KR113048.

Common Uses

• Replacing a worn or noisy accessory drive belt idler pulley
• Restoring proper serpentine belt tracking on Ford truck and van applications
• Addressing belt squeal caused by pulley wear or surface damage
• Correcting belt routing issues in grooved pulley systems
• Servicing a damaged pulley bore or mounting interface

Installation Notes

Verify pulley diameter, groove count, bore size, and belt width before installation. Mounting hardware is not included, so reuse or source the correct hardware for the vehicle application. Inspect the serpentine belt, tensioner, and adjacent pulleys during service to confirm the full drive system is in good condition.

Quality Assurance

Hayden lists this pulley as meeting or exceeding OEM requirements, making it a specification-based replacement for select Ford accessory drive belt systems. Confirm fitment against the vehicle’s original pulley dimensions and belt configuration before installation.