Dorman 300-854 Alternator Pulley

Overview of Dorman Alternator Pulley 300-854

The Dorman 300-854 alternator pulley is designed specifically for Nissan Altima, Sentra, and X-Trail models. This serpentine alternator pulley features a bolt-on attachment type and a durable black finish, engineered to meet the demands of your vehicle's charging system.

• Compatible with Nissan Altima, Sentra, and X-Trail
• Serpentine type alternator pulley with 2.25-inch outside diameter
• Bolt-on attachment for secure installation
• Steel contact surface for reliable performance
• 0.56-inch bore size to fit specified alternators
• Black finish for corrosion resistance
• Includes one alternator pulley, installation hardware not included

Detailed Product Description

The Dorman 300-854 alternator pulley is engineered to replace worn or damaged pulleys on select Nissan vehicles. Its serpentine design ensures smooth belt operation, reducing wear on the alternator and belt system. The bolt-on attachment type allows for straightforward installation without the need for specialized tools. Constructed with a steel contact surface, this pulley offers durability and consistent performance under normal operating conditions. The 2.25-inch outside diameter and 0.56-inch bore size are designed to match factory specifications, ensuring proper fit and function on Nissan Altima, Sentra, and X-Trail alternators.

Common Applications and Issues Addressed

• Eliminates alternator belt slippage caused by worn pulleys
• Resolves noise issues related to damaged or misaligned pulleys
• Prevents premature belt wear due to pulley surface degradation
• Restores proper alternator function by maintaining correct belt tension
• Addresses vibration problems linked to pulley imbalance

Installation Notes and Tips

Installation of the Dorman 300-854 alternator pulley requires removal of the old pulley and securing the new one using the bolt-on attachment method. Note that installation hardware is not included, so retain original bolts or acquire appropriate replacements. It is recommended to inspect the serpentine belt and related components during installation to ensure overall system integrity. Proper torque specifications should be followed to avoid damage or loosening during operation.

Quality Assurance and Warranty

Dorman alternator pulleys are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 300-854 may vary, Dorman typically offers limited warranties covering defects in material and workmanship. For precise warranty information, consult the product documentation or manufacturer resources.