Dorman 300-120 Power Steering Pump Pulley

Durable Steel Power Steering Pump Pulley for Reliable Performance

The Dorman 300-120 power steering pump pulley is engineered to provide consistent and reliable operation for vehicles requiring a single-groove V-belt pulley. Constructed from durable steel and finished in black, this pulley is designed to meet standard replacement specifications for a variety of automotive applications.

• Material: High-strength steel construction for durability
• Color: Black finish for corrosion resistance
• Groove Quantity: Single groove compatible with V-belt systems
• Outside Diameter: 6.151 inches for precise fitment
• Mounting Holes: One mounting hole for secure attachment
• Belt Type: Designed specifically for V-belt drive systems
• Item Grade: Standard replacement quality
• Package Contents: Includes the pulley only

Product Details and Specifications

The Dorman 300-120 power steering pump pulley features a 15.9 mm bore diameter, ensuring compatibility with power steering pumps that require this specific size. Its single groove design is optimized for V-belt applications, commonly found in many domestic and import vehicles. The steel material provides strength and resistance to wear, while the black finish helps protect against rust and corrosion over time. This pulley is intended as a direct replacement part, meeting OEM standards for fit and function.

Common Applications and Problem Resolution

This power steering pump pulley is used to transfer rotational force from the engine belt to the power steering pump, enabling smooth steering operation. It is compatible with vehicles that utilize a single-groove V-belt system and a 6.151-inch pulley diameter. Typical issues addressed by replacing this pulley include:

• Worn or damaged pulley grooves causing belt slippage
• Corroded or rusted pulley surfaces affecting belt alignment
• Noise or vibration from a failing pulley
• Misalignment leading to premature belt wear
• Failure of the original pulley compromising steering performance

Installation Notes and Tips

Installation of the Dorman 300-120 power steering pump pulley requires removal of the old pulley and careful alignment of the new pulley on the power steering pump shaft. Since mounting hardware is not included, retain or source the appropriate fasteners for secure attachment. Ensure the V-belt is properly seated in the single groove and tensioned according to vehicle manufacturer specifications. Professional installation is recommended for accurate fitment and to avoid damage to the power steering system.

Quality Assurance and Warranty Information

Dorman power steering pump pulleys are manufactured to meet or exceed OEM standards for quality and durability. The 300-120 part is a standard replacement grade component backed by Dorman's quality control processes. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman's official documentation for exact warranty terms.