Dorman 419-504 Accessory Drive Belt Tensioner Assembly

Overview of Dorman Accessory Drive Belt Tensioner Assembly 419-504

The Dorman 419-504 accessory drive belt tensioner assembly is engineered for reliable performance in Ford Transit models. Designed with durable aluminum construction and a metallic gray finish, this tensioner ensures consistent belt tension and smooth operation for your vehicle's accessory drive system.

• Constructed from high-quality aluminum for strength and corrosion resistance
• Hexagonal bolt head type for secure and easy installation
• Includes a flanged pulley with a single groove for precise belt alignment
• Compatible with Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD models
• Features a 6.6-inch length and 63.5 mm width for exact fitment

Detailed Product Features and Specifications

This accessory drive belt tensioner assembly (part number 419-504) features an aluminum pulley with a 28 mm outside diameter and a 27.75 mm inside diameter bearing bore. The pulley is flanged to maintain belt positioning and reduce slippage. The tensioner operates with clockwise and counter-clockwise rotation capabilities, accommodating the specific belt routing requirements of Ford Transit vehicles. The assembly includes a bushing to support smooth pulley movement and reduce wear.

Compatible Vehicles and Applications

This tensioner assembly is specifically designed for use with the following Ford models:

• Ford Transit-150
• Ford Transit-250
• Ford Transit-350
• Ford Transit-350 HD

It is ideal for replacing worn or damaged tensioners to restore proper accessory belt tension and prevent belt slippage or noise.

Common Issues Addressed by This Tensioner Assembly

• Accessory belt slipping or squealing
• Loss of proper belt tension leading to accessory malfunction
• Wear or damage to the original tensioner pulley
• Noise caused by worn bearings or misaligned pulleys
• Preventing premature belt wear and accessory component failure

Installation Notes and Tips

Installation requires a hexagonal bolt head tool for secure mounting. Ensure the belt routing matches the vehicle manufacturer’s specifications, considering the tensioner’s clockwise and counter-clockwise rotation capabilities. Verify pulley alignment and tension after installation to avoid belt noise or premature wear.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. This accessory drive belt tensioner assembly is made from durable aluminum materials to resist corrosion and wear. Please consult the product packaging or Dorman’s official documentation for specific warranty details.