Dorman 300-850 Alternator Pulley

Reliable Alternator Pulley for Chrysler, Dodge, Scion, and Toyota Vehicles

The Dorman 300-850 alternator pulley is designed to provide consistent performance for your vehicle's charging system. Engineered for compatibility with popular models like the Chrysler Town & Country, Dodge Caravan, Toyota Corolla, and Scion xD, this serpentine pulley ensures smooth operation and durability.

• Inside diameter: 0.492 inches for precise fitment
• Outside diameter: 2.43 inches optimized for serpentine belt systems
• Silver finish for corrosion resistance
• Bolt-on attachment type for straightforward installation
• Steel contact surface material for enhanced wear resistance
• Non-flanged end design
• Compatible with alternators on Chrysler, Dodge, Scion, and Toyota models
• Package includes one alternator pulley (installation hardware not included)

Durable Design and Precise Fitment

The Dorman 300-850 alternator pulley is crafted with a steel contact surface to withstand the rigors of daily driving and maintain reliable belt engagement. Its bolt-on attachment type simplifies replacement without the need for specialized tools. The pulley’s 0.492-inch inside diameter and 2.43-inch outside diameter are engineered specifically for serpentine belt systems found on Chrysler Caravan, Dodge Grand Caravan, Toyota Matrix, and other compatible vehicles. The silver finish adds a layer of corrosion resistance, helping to extend the life of the component.

Compatible Vehicles and Applications

This alternator pulley is compatible with a range of Chrysler, Dodge, Scion, and Toyota models, including:

• Chrysler Town & Country, Voyager, Pacifica
• Dodge Caravan, Grand Caravan
• Toyota Corolla, Matrix
• Scion xD

It is designed to replace worn or damaged alternator pulleys in these vehicles, ensuring proper belt tension and alternator function.

Common Issues Addressed by the Dorman 300-850 Alternator Pulley

• Alternator belt slippage causing charging system inefficiency
• Excessive pulley wear leading to belt misalignment
• Noise or squealing from a damaged or worn pulley
• Failure of the alternator to maintain proper belt tension
• Corrosion or surface damage affecting pulley performance

Installation Notes and Tips

The Dorman 300-850 alternator pulley features a bolt-on attachment type, allowing for direct replacement without the need for special tools. Ensure the serpentine belt is properly aligned during installation to prevent premature wear. Note that installation hardware is not included, so retain original bolts or source compatible fasteners. It is recommended to inspect the belt and related components during replacement to maintain optimal system performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number 300-850 may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms applicable to this alternator pulley.