Hayden 5018 Accessory Drive Belt Idler Pulley - Alternator, Alternator and Power Steering or Serpentine

Hayden 5018 Accessory Drive Belt Idler Pulley

The Hayden 5018 is a steel accessory drive belt idler pulley built for smooth belt routing and stable operation in the accessory drive belt system. It features a black finish, a smooth groove design, and a 3.500-inch outside diameter for applications that call for a back idler pulley.

Built to meet or exceed OEM requirements, this Hayden pulley is a direct-fit style replacement for a wide range of Chrysler, Dodge, and Jeep vehicles, including Dakota, Durango, Ram 1500, Ram 2500, Grand Cherokee, Wrangler, and Cherokee applications.

Key Features

• Steel construction for durable accessory drive support
• Smooth groove design for back idler pulley applications
• 3.500-inch outside diameter and 1.18-inch pulley width
• 0.375-inch inside diameter with .394-inch bore diameter
• Black finish for a clean OE-style appearance
• Meets or exceeds OEM specifications
• Single mounting hole design
• Cross-references Continental 5018 and Gates 38042 for the same application

Product Details

Hayden Pulley 5018 is an idler / tensioner pulley designed for accessory drive belt systems that use a smooth back idler configuration. The steel pulley body and 88.900 mm outside diameter help maintain belt tracking in applications where the pulley supports alternator, power steering, or serpentine belt routing. This part number is commonly searched as Hayden 5018 and is used across many Chrysler, Dodge, and Jeep platforms, including Dodge Dakota, Dodge Durango, and Jeep Grand Cherokee fitments.

As part of Hayden’s Pulley line, this component focuses on OE-style replacement fitment and dimensional accuracy for belt system service. The 5018 part number is also referenced in aftermarket catalogs for Chrysler 300M, Dodge Intrepid, Jeep TJ, and Wrangler applications where a smooth idler pulley is specified.

Common Problems This Part Can Address

• Worn or noisy accessory drive belt idler pulley
• Belt misalignment caused by pulley wear
• Rough pulley rotation that can affect belt operation
• Visible pulley damage, cracking, or surface wear
• Service replacement for a failed smooth back idler pulley

Installation Notes and Tips

• Verify pulley style, diameter, and bore dimensions before installation.
• Confirm the vehicle uses a smooth pulley for the accessory drive belt idler position.
• Mounting hardware is not included.
• Inspect the belt, tensioner, and adjacent pulleys during service.
• Check fitment carefully on Chrysler, Dodge, and Jeep applications with alternator, power steering, serpentine, or tensioner pulley notes.

Quality Assurance

Hayden 5018 is manufactured to meet or exceed OEM requirements for the listed applications. It is built as a direct replacement pulley for accessory drive belt service on 1986-2007 Chrysler, Dodge, and Jeep vehicles, including many Dakota, Durango, Ram 1500, Ram 2500, Grand Cherokee, and Wrangler fitments.