Dorman 300-863 Alternator Pulley

Durable Alternator Pulley for Volvo S40 and V40

The Dorman 300-863 alternator pulley is designed specifically for Volvo S40 and V40 models, providing reliable performance in your vehicle's charging system. This serpentine type pulley features a bolt-on attachment for straightforward installation and a black finish for corrosion resistance.

Key Features of Dorman 300-863 Alternator Pulley

• Compatible with Volvo S40 and V40 models
• Serpentine pulley type for efficient belt engagement
• Bolt-on attachment type ensures secure fitment
• Outside diameter measures 2.37 inches for precise compatibility
• Steel contact surface material for durability and wear resistance
• Bore size of 0.67 inches for exact alternator shaft fit
• Black finish to resist corrosion and extend service life
• Includes one alternator pulley per package

Detailed Description of the Dorman 300-863 Alternator Pulley

The Dorman 300-863 alternator pulley is engineered to meet the specifications required by Volvo S40 and V40 vehicles. Its serpentine design allows for smooth belt operation, reducing slippage and wear on the belt and pulley system. The bolt-on attachment type simplifies installation, providing a secure and stable connection to the alternator shaft. Constructed with a steel contact surface, this pulley offers enhanced durability under high rotational speeds and heat conditions. The black finish adds a layer of protection against rust and environmental factors, helping maintain optimal performance over time.

Common Applications and Issues Addressed

• Replacement for worn or damaged alternator pulleys on Volvo S40 and V40
• Resolves belt slippage caused by pulley wear or surface damage
• Addresses noise issues related to pulley misalignment or deterioration
• Prevents alternator belt mis-tracking and premature belt failure
• Restores proper alternator function by ensuring correct pulley fit and rotation

Installation Notes and Tips

• Ensure the alternator shaft bore size matches the 0.67-inch pulley bore for proper fit
• Use appropriate tools to securely bolt the pulley onto the alternator shaft
• Inspect the serpentine belt for wear and replace if necessary during installation
• Verify pulley alignment with other belt-driven components to prevent premature wear
• Installation hardware is not included; retain original bolts or source compatible replacements

Quality Assurance and Warranty Information

Dorman manufactures the 300-863 alternator pulley to meet or exceed OEM standards for fit, form, and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. This ensures that the alternator pulley maintains reliable performance when installed on compatible Volvo S40 and V40 vehicles.