Dorman 300-397 Engine Water Pump Pulley

Overview of Dorman Engine Water Pump Pulley 300-397

The Dorman 300-397 engine water pump pulley is designed for select BMW models, including the 540i, 740i, 740iL, 840Ci, X5, and Z8. Constructed from durable steel, this serpentine pulley ensures reliable performance in your vehicle's cooling system.

• Material: High-quality steel for strength and durability
• Attachment Type: Bolt on for secure installation
• Pulley Type: Serpentine, compatible with serpentine belts
• Belt Type: Designed specifically for serpentine belts
• Grade Type: Regular grade for standard performance needs
• Package Contents: Includes one engine water pump pulley
• Oversized and undersize pulley options: Not applicable
• Installation Instructions: Not included

Detailed Product Description

The Dorman 300-397 engine water pump pulley is engineered to meet the specifications required by BMW vehicles such as the 540i, 740i, 740iL, 840Ci, X5, and Z8. Made from steel, this pulley offers the necessary strength to withstand the stresses of engine operation while maintaining proper belt alignment. Its bolt-on attachment type allows for a straightforward replacement process when servicing the water pump or related components. The serpentine pulley design is compatible with serpentine belts, which are commonly used in these BMW models to drive multiple engine accessories efficiently.

Compatible Vehicles and Common Applications

• BMW 540i engine water pump pulley replacement
• BMW 740i and 740iL cooling system maintenance
• BMW 840Ci serpentine belt system repairs
• BMW X5 water pump pulley replacement
• BMW Z8 engine cooling component service

Installation Notes and Tips

Installation of the Dorman 300-397 pulley requires removal of the existing water pump pulley and securing the new pulley using the bolt-on attachment method. While installation instructions are not included, it is recommended to consult a repair manual specific to your BMW model or seek professional assistance to ensure proper torque specifications and alignment. Verify belt tension and condition during installation to maintain optimal serpentine belt performance.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 300-397 engine water pump pulley undergoes quality checks to ensure durability and reliable operation within the cooling system. Please refer to Dorman's official warranty policy for coverage details, as warranty terms may vary by region and application.