Dorman 300-229 Power Steering Pump Pulley

Overview of Dorman Power Steering Pump Pulley 300-229

The Dorman 300-229 power steering pump pulley is engineered for reliable performance in select Chevrolet and GMC heavy-duty trucks and vans. Constructed from durable steel with a black finish, this pulley is designed to maintain proper belt alignment and tension for serpentine belt systems.

• Material: Steel construction for strength and durability
• Color: Black finish for corrosion resistance
• Groove Quantity: 6 grooves compatible with serpentine belts
• Width: 29 mm for precise belt fit
• Outside Diameter: 6.6 inches ensuring correct belt path
• Mount Type: Press fit for secure installation
• Pulley Bore: 19 mm to match power steering pump shaft
• Mounting Hardware: Not included
• Installation Instructions: Not included
• Item Grade: Standard replacement part

Detailed Product Description

The Dorman 300-229 power steering pump pulley is specifically designed for use with serpentine belt systems on Chevrolet Express 2500 and 3500, GMC Savana 2500 and 3500, as well as various Sierra and Silverado 2500 and 3500 HD models. Its steel construction provides the necessary strength to withstand the demands of heavy-duty steering systems. The six-groove design ensures compatibility with factory serpentine belts, while the 6.6-inch outside diameter maintains proper belt routing and tension. The press fit mount type allows for a secure and precise fit on the 19 mm pulley bore of the power steering pump shaft. This pulley is a standard replacement part intended to restore proper function to the power steering system without the need for additional mounting hardware or installation guides.

Compatible Vehicles and Applications

• Chevrolet Express 2500 and Express 3500
• GMC Savana 2500 and Savana 3500
• Chevrolet Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD
• Chevrolet Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Silverado 3500 HD

Common Issues Addressed by This Power Steering Pump Pulley

• Worn or damaged pulley grooves causing belt slippage
• Corroded or weakened pulley compromising steering performance
• Misaligned pulley leading to serpentine belt wear
• Failure of original pulley resulting in power steering pump noise or malfunction
• Replacement of a seized or bent pulley to restore proper steering function

Installation Notes and Tips

This power steering pump pulley is designed for press fit installation on a 19 mm shaft. It is important to use appropriate tools to press the pulley onto the pump shaft evenly to avoid damage. Since mounting hardware and installation instructions are not included, professional installation or reference to vehicle-specific service manuals is recommended. Verify belt alignment and tension after installation to ensure optimal performance.

Quality Assurance and Warranty

Dorman manufactures this power steering pump pulley to meet standard replacement part specifications, ensuring compatibility and durability for the specified Chevrolet and GMC models. While no specific warranty information is provided, Dorman parts typically undergo quality checks to meet OEM standards for fit and function.