Dorman 300-137 Power Steering Pump Pulley

Reliable Power Steering Pump Pulley for Select GM and Saab Models

The Dorman 300-137 power steering pump pulley is engineered to provide consistent performance and durability for your vehicle's steering system. Designed specifically for select Buick, Chevrolet, GMC, and Saab models, this steel pulley ensures proper belt alignment and efficient power steering operation.

Key Features of the Dorman 300-137 Power Steering Pump Pulley

• Constructed from durable steel with a black finish for corrosion resistance
• Features 6 grooves compatible with serpentine belts
• Outside diameter measures 5.224 inches for precise fitment
• Single mounting hole design for secure attachment
• Standard replacement grade for reliable performance
• Compatible with power steering systems on Buick, Chevrolet, GMC, and Saab vehicles

Detailed Product Description

The Dorman 300-137 power steering pump pulley is a direct replacement part designed to restore the function of your vehicle's power steering system. Made from high-quality steel, this pulley offers strength and longevity under demanding driving conditions. Its black finish helps resist rust and wear, maintaining the integrity of the pulley over time. The 6-groove design is tailored for serpentine belt systems, ensuring smooth belt tracking and reducing the risk of slippage. With an outside diameter of 5.224 inches and a pulley bore of 0.748 inches, this pulley fits securely on the power steering pump shaft. The single mounting hole allows for straightforward installation without the need for additional hardware, although mounting hardware is not included.

Compatible Vehicles and Common Applications

This power steering pump pulley is compatible with a range of GM and Saab vehicles, including:

• Buick Rainier
• Chevrolet SSR, Trailblazer, Trailblazer EXT
• GMC Envoy, Envoy XL, Envoy XUV
• Saab 9-7x

It is designed to replace worn or damaged pulleys that can cause issues such as belt noise, steering difficulty, or power steering pump failure.

Common Issues Addressed by This Pulley

• Worn or damaged pulley grooves causing belt slippage
• Corroded or rusted pulley surfaces affecting belt alignment
• Excessive pulley wobble leading to steering pump noise
• Failure of original pulley resulting in power steering pump malfunction
• Replacement of pulleys incompatible with serpentine belt systems

Installation Notes and Tips

Installation of the Dorman 300-137 power steering pump pulley requires basic mechanical skills and tools. Note that mounting hardware and installation instructions are not included, so ensure you have the necessary bolts and tools before beginning. Proper alignment of the pulley on the power steering pump shaft is critical to avoid belt wear or noise. It is recommended to inspect the serpentine belt and related components during installation and replace them if worn.

Quality Assurance and Warranty Information

Dorman manufactures this power steering pump pulley to meet standard replacement quality, providing dependable performance for your vehicle. While specific warranty details are not provided, Dorman parts typically come with a limited warranty against defects in material and workmanship. For detailed warranty information, refer to Dorman's official documentation or contact the manufacturer directly.