Hayden 5905 Accessory Drive Belt Idler Pulley - Lower

Accessory Drive Belt Idler Pulley for Toyota and Lexus

The Hayden 5905 is an accessory drive belt idler pulley built for serpentine belt systems. It uses a steel construction with a black finish and a smooth back idler design to support proper belt routing on select Toyota and Lexus applications.

Key Features

• Steel pulley construction with black finish
• Smooth groove quantity for serpentine belt routing
• Back idler pulley style
• Outside diameter: 2.750 in. (69.850 mm)
• Pulley width: 1.29 in. (33 mm)
• Belt width: 1.250 in. (31.750 mm)
• Inside diameter: 0.40625 in. / bore diameter: 0.399 in. (10.160 mm)
• Meets or exceeds OEM requirements
• Single mount hole design

Detailed Description

Hayden Pulley 5905 is an accessory drive belt idler pulley for serpentine belt systems that require a smooth back idler layout. The steel pulley is sized with a 2.750-inch outside diameter and a 1.29-inch width to match the specified belt path and support consistent belt tracking. This part cross-references Dayco 89169 for the same application.

Compatible With Toyota Tacoma, Toyota 4Runner, Toyota FJ Cruiser, Toyota Tundra, and Lexus LS500 applications listed below, this Hayden 5905 pulley is a direct-fit style replacement for vehicles that use a lower or N/A pulley position depending on model year. It is a practical choice when replacing a worn idler pulley on a serpentine accessory drive system.

What It Helps Address

• Squealing or chirping from a worn idler pulley
• Belt tracking issues caused by pulley wear
• Rough pulley rotation or bearing-related noise
• Serpentine belt routing problems on the accessory drive system
• Visible pulley wear, cracking, or surface damage

Installation Notes and Tips

• Verify pulley diameter, width, and bore dimensions before installation.
• Mounting hardware is not included.
• Inspect the serpentine belt, tensioner, and adjacent pulleys during service.
• Confirm the correct position for your vehicle: lower or N/A as listed in fitment.
• Use the vehicle application details to match the exact year and model before ordering.

Quality Assurance

Hayden 5905 is specified to meet or exceed OEM requirements for the listed applications. It is engineered as a replacement idler pulley for Toyota Tacoma, Toyota 4Runner, Toyota FJ Cruiser, Toyota Tundra, and Lexus LS500 fitments shown below.

• Fits 2022-2023 Toyota Tacoma, Lower, Pulley
• Fits 2019 Toyota Tacoma, Lower, Pulley
• Fits 2006-2015 Toyota Tacoma, Lower, Pulley
• Fits 2020-2021 Toyota Tacoma, N/A, Pulley
• Fits 2016-2018 Toyota Tacoma, N/A, Pulley
• Fits 2018-2019 Lexus LS500, N/A, Pulley
• Fits 2003-2015 Toyota 4Runner, Lower, Pulley
• Fits 2007-2014 Toyota FJ Cruiser, Lower, Pulley
• Fits 2007-2014 Toyota Tundra, Lower, Pulley