Dorman 300-004 Power Steering Pump Pulley

Overview of Dorman Power Steering Pump Pulley 300-004

The Dorman 300-004 power steering pump pulley is designed for reliable performance in select Ford and Mazda vehicles. Engineered with a composite material and a serpentine belt design, this pulley supports efficient steering system operation in models like the Ford Explorer and Mazda B2300.

• Constructed from durable composite material for strength and longevity
• Black finish with 6 grooves to accommodate serpentine belts
• 5.25-inch outside diameter for precise fitment
• Single mounting hole with a 0.6854-inch bore diameter
• Standard replacement grade for dependable functionality
• Includes pulley only; mounting hardware and installation instructions are not included

Detailed Product Description

The Dorman 300-004 power steering pump pulley is a direct replacement part designed to restore proper belt alignment and power steering pump operation. Its composite construction offers resistance to wear and corrosion, making it suitable for the demanding conditions found in vehicles such as the Ford Ranger and Mazda B4000. The pulley features six grooves compatible with serpentine belts, ensuring smooth power transmission and reducing belt slippage. With a 5.25-inch outside diameter and a 0.6854-inch bore, this pulley fits securely on the power steering pump shaft, maintaining system integrity.

Compatible Vehicles and Applications

This power steering pump pulley is compatible with the following makes and models:

• Ford Aerostar
• Ford B2300
• Ford B2500
• Ford B4000
• Ford Explorer
• Ford Ranger
• Mazda B2300
• Mazda B2500
• Mazda B4000

Common Issues Addressed by This Pulley

• Worn or damaged pulley causing belt misalignment
• Excessive belt noise or slipping in the power steering system
• Power steering pump failure due to pulley malfunction
• Reduced steering responsiveness or increased steering effort
• Vibration or wobbling of the power steering pump pulley

Installation Notes and Tips

Installation of the Dorman 300-004 pulley requires removal of the old pulley and proper alignment on the power steering pump shaft. Note that mounting hardware and installation instructions are not included, so having the appropriate tools and reference materials is recommended. Ensure the serpentine belt is correctly routed over the six grooves to maintain optimal belt tension and system performance.

Quality Assurance and Warranty

This Dorman power steering pump pulley is manufactured to meet standard replacement quality requirements. While mounting hardware and instructions are not provided, the part is engineered to OEM specifications for fit and function. Please consult Dorman's warranty policy for coverage details related to this part number 300-004.