Dayco 89858 Accessory Drive Belt Idler Pulley - Air Conditioning

Overview

The Dayco 89858 accessory drive belt idler pulley is a fitment-specific replacement for a range of Ford and Lincoln applications, plus select Chevrolet models with air conditioning. It is built for accessory drive belt routing where a smooth, properly aligned pulley is needed to maintain belt tracking.

Compatible With Ford Bronco, Bronco Sport, Edge, Explorer, Maverick, Ranger, Transit Connect, Escape, and Lincoln Nautilus and Corsair applications. This part number, 89858, also fits Chevrolet Caprice and Chevrolet SS air conditioning applications.

Key Features

• Accessory drive belt idler pulley for belt routing and support.
• Direct fit coverage across multiple Ford, Lincoln, and Chevrolet applications.
• Application-specific design for vehicles with accessory drive belt systems.
• Dayco replacement part number 89858 for catalog and service matching.

Detailed Description

Dayco 89858 is an accessory drive belt idler pulley used in serpentine belt systems where the belt must be guided around engine accessories with consistent alignment. The fitment includes 2021-2025 Ford Bronco, 2021-2024 Ford Bronco Sport, 2019-2024 Ford Edge, 2020-2024 Ford Explorer, 2022-2024 Ford Maverick, 2019-2024 Ford Ranger, 2019-2023 Ford Transit Connect, 2020-2022 Ford Escape, 2019-2023 Lincoln Nautilus, and 2020-2022 Lincoln Corsair. It also fits 2013-2017 Chevrolet Caprice air conditioning applications and 2014-2017 Chevrolet SS air conditioning applications.

Use 89858 when replacing a worn or noisy idler pulley, correcting belt routing issues, or restoring proper belt contact in the accessory drive system. The Dayco 89858 part number is useful for matching service records and ordering the correct pulley for the listed Ford Bronco, Ford Ranger, and Lincoln Nautilus applications.

What It Is Used For

• Replacing a pulley with bearing noise or rough rotation.
• Restoring proper belt tracking in the accessory drive system.
• Addressing belt squeal caused by pulley wear or misalignment.
• Correcting accessory drive routing on listed Ford, Lincoln, and Chevrolet applications.

Installation Notes and Tips

Verify belt routing and pulley alignment before installation. Confirm the vehicle application by year, make, model, and system type, especially on 2018 Ford Transit Connect vehicles with the listed production date note and on Chevrolet applications marked for air conditioning. Match the part number 89858 to the existing service information before final assembly.

Quality Assurance

Dayco supplies replacement components for accessory drive systems and this pulley is cataloged under part number 89858 for application-specific service matching.