Hayden 5000 Accessory Drive Belt Idler Pulley - Air Conditioning or Power Steering

Hayden 5000 Idler Pulley Overview

The Hayden 5000 accessory drive belt idler pulley is a steel V-belt pulley built for accessory drive belt system service on select import and domestic vehicles. It is an OE-style replacement for air conditioning and power steering applications where a smooth-running pulley is needed to maintain belt tracking and tension.

Hayden Pulley 5000 is a direct-fit style idler/tensioner pulley with a 1-groove V-belt profile, 3.1875-inch outside diameter, and 0.5-inch belt width. It meets or exceeds OEM requirements and is sized for common applications such as Toyota 4Runner, Toyota Pickup, Nissan D21, and Mazda MPV service.

Key Features

• Steel construction for accessory drive durability
• Idler / tensioner pulley style for belt routing and tension control
• 1-groove V-belt design
• 3.1875 in. outside diameter and 0.5 in. belt width
• 0.47 in. bore diameter / 11.906 mm inside diameter
• Meets or exceeds OEM specifications
• Mounting hardware not included

Product Details

This Hayden pulley is engineered for accessory drive belt system repair where the original pulley has worn bearings, developed noise, or no longer keeps the belt aligned. The steel pulley body and OE-matching dimensions support consistent belt contact in air conditioning and power steering positions. Hayden 5000 is also cross-referenced with Dayco 89039 for the same application.

Fits 1985-1995 Toyota 4Runner, Air Conditioning. Fits 1985-1995 Toyota Pickup, Air Conditioning. Fits 1990-1994 Nissan D21, Power Steering. Fits 1993-1994 Mazda MPV, N/A. Fits 1989-1993 Ford Festiva, N/A, compatible with vehicles equipped with factory air. Fits 1992-1998 Hyundai Sonata, Air Conditioning. Fits 1995-2001 Kia Sportage, Air Conditioning. Fits 1985 Toyota Celica, Air Conditioning. Fits 1993-1994 Toyota T100, Air Conditioning. Fits 1989-1990 Mazda MPV, N/A. Fits 1992-1993 Mazda 929, N/A. Fits 1989 Toyota Van, N/A. Fits 1985 Toyota Van, N/A. Fits 1986-1988 Toyota Van, Air Conditioning.

Common Repair Uses

• Eliminates belt squeal caused by a worn idler pulley
• Restores proper belt tracking on the accessory drive system
• Addresses pulley wobble or rough bearing operation
• Helps correct belt misalignment in A/C or power steering service
• Replaces a damaged pulley surface on older V-belt systems

Installation Notes

Verify pulley diameter, bore size, groove count, and belt width before installation. This pulley uses a single mounting hole and mounting hardware is not included. Inspect the belt, bracket, and adjacent accessory components at the same time to avoid repeat service. Confirm the vehicle application by position, since this part is used in both air conditioning and power steering locations depending on the vehicle.

Quality Assurance

Hayden 5000 is built to meet or exceed OEM requirements for fit and function in the listed applications. The Hayden Pulley line focuses on replacement components for accessory drive belt system service, with dimensions and construction selected to match original equipment needs.