Dorman 419-471 Accessory Drive Belt Idler Pulley - Left or Right

Accessory Drive Belt Idler Pulley for Ford Super Duty

Dorman 419-471 is a direct replacement accessory drive belt idler pulley engineered to match the function and performance of the original pulley on select Ford Super Duty trucks. It is built for specific left- and right-side applications with a single alternator, helping restore proper belt routing and accessory drive operation.

• Direct replacement accessory drive belt idler pulley
• Specific fit for select Ford F-250 Super Duty and Ford F-350 Super Duty applications
• Fits left-side and right-side positions, depending on vehicle configuration
• Aluminum construction with black finish
• V-belt pulley design with smooth/backside surface
• OEM-grade replacement for factory-style fit and function
• Single mounting hole design with hex bolt head type
• Cross-references Dayco 89157 and Gates 36354 for the same application

Detailed Product Overview

This Dorman accessory drive belt idler pulley, part number 419-471, is designed for Ford F-250 Super Duty and Ford F-350 Super Duty models equipped with a single alternator. The pulley features aluminum construction, a 90 mm outside diameter, 37 mm width, and a 37 mm bearing bore inside diameter to match the original pulley’s operating characteristics. Its OEM-grade design supports proper belt tracking and consistent accessory drive performance on the specified Super Duty applications.

Use Dorman 419-471 when you need a replacement idler pulley for 2012-2019 Ford F-250 Super Duty and 2012-2019 Ford F-350 Super Duty trucks in the listed left or right positions. This part number 419-471 is a practical OE-style solution for restoring the accessory drive system on these Ford Super Duty platforms.

What This Idler Pulley Helps Address

• Squealing or chirping from a worn idler pulley
• Belt misalignment caused by pulley wear
• Accessory drive noise from bearing deterioration
• Reduced belt stability on the front drive system
• Loss of proper belt routing on the specified Ford Super Duty setup

Installation Notes and Fitment

Compatible With:

• Fits 2016-2019 Ford F-250 Super Duty, left, w/Single Alternator
• Fits 2013 Ford F-250 Super Duty, left, w/Single Alternator
• Fits 2018-2019 Ford F-350 Super Duty, left, w/Single Alternator
• Fits 2016 Ford F-350 Super Duty, left, w/Single Alternator
• Fits 2013 Ford F-350 Super Duty, left, w/Single Alternator
• Fits 2017 Ford F-350 Super Duty, right, w/Single Alternator
• Fits 2014-2015 Ford F-350 Super Duty, right, w/Single Alternator
• Fits 2012 Ford F-350 Super Duty, right, w/Single Alternator
• Fits 2014-2015 Ford F-250 Super Duty, right, w/Single Alternator
• Fits 2012 Ford F-250 Super Duty, right, w/Single Alternator

Verify pulley position and single-alternator configuration before ordering. Match the original pulley dimensions and mounting style to confirm correct application for your Ford F-250 Super Duty or Ford F-350 Super Duty repair.

Quality Assurance

Dorman manufactures this replacement pulley to match original equipment function and performance on the listed applications. The part is built as an OEM-grade replacement for specific vehicle fitment and accessory drive requirements.