Dorman 300-338 Power Steering Pump Pulley

Overview of Dorman Power Steering Pump Pulley 300-338

The Dorman 300-338 power steering pump pulley is designed for reliable performance in select Acura and Honda vehicles. Constructed from durable steel with a silver finish, this pulley is engineered to meet standard replacement requirements for power steering systems.

• Material: Steel for strength and durability
• Color: Silver finish for corrosion resistance
• Groove Quantity: 4 grooves compatible with serpentine belts
• Outside Diameter: 5.11 inches for precise fitment
• Mounting Hole Quantity: Single mounting hole with spline bore design
• Belt Type: Designed for serpentine belt systems
• Mounting Hardware and Installation Instructions: Not included
• Item Grade: Standard replacement quality
• Package Contents: One power steering pump pulley

Detailed Product Description

The Dorman 300-338 power steering pump pulley is engineered to restore proper belt alignment and tension in the power steering system of compatible Acura and Honda models, including the Accord, CL, Odyssey, Pilot, and TL. Its steel construction ensures durability under continuous operation, while the silver finish helps resist corrosion. The pulley features four grooves designed specifically for serpentine belt applications, providing consistent power transfer and reducing belt slippage. The 5.11-inch outside diameter and spline bore mounting hole ensure a secure fit on the power steering pump shaft. This pulley is intended as a standard replacement part, meeting OEM specifications for reliable performance.

Common Applications and Problem Resolution

• Replaces worn or damaged power steering pump pulleys causing belt misalignment
• Addresses squealing or slipping belts in the power steering system
• Restores proper serpentine belt routing and tension
• Eliminates vibration or noise related to pulley wear
• Prevents premature belt or pump failure due to pulley issues

Installation Notes and Tips

Installation of the Dorman 300-338 pulley requires removal of the existing pulley from the power steering pump shaft. Since mounting hardware and installation instructions are not included, it is recommended to have appropriate tools such as a pulley puller and installer. Ensure the serpentine belt is properly routed over the four grooves of the pulley and verify alignment with other engine pulleys. Check belt tension after installation to prevent slippage or noise. Professional installation is advised if unfamiliar with power steering system components.

Quality Assurance and Warranty

Dorman power steering pump pulleys are manufactured to meet or exceed OEM standards for fit, form, and function. The 300-338 part is a standard replacement grade component designed for durability and consistent performance. While specific warranty details are not provided, Dorman products typically come with limited warranties covering defects in material and workmanship. Verify warranty terms with the product documentation or supplier.