Dorman 603-906 Power Steering Reservoir

Overview of Dorman Power Steering Reservoir 603-906

The Dorman 603-906 power steering reservoir is designed for remote mounting and constructed from durable black plastic. This single reservoir type includes a reservoir cap but does not come with mounting brackets, fittings, or installation hardware. It is compatible with a wide range of BMW and Mini models, providing a reliable solution for power steering fluid storage.

• Material: Durable black plastic construction
• Reservoir Type: Single, remote mounted design
• Includes reservoir cap for secure sealing
• No mounting bracket, fittings, or installation hardware included
• Compatible with numerous BMW and Mini models

Detailed Product Description

The Dorman 603-906 power steering reservoir is engineered to meet the specifications required for many BMW and Mini vehicles, including models such as the BMW 320i, 328i, 535i, M3, X3, X5, and Mini Cooper. Its remote-mounted design allows for flexible installation in the engine bay, while the black plastic material offers resistance to corrosion and fluid degradation. The included reservoir cap ensures a tight seal to prevent leaks and contamination. Although mounting brackets and fittings are not included, this reservoir is designed to integrate seamlessly with existing power steering systems on compatible vehicles.

Compatible Vehicles and Applications

• BMW 120i, 130i, 318i, 318is, 318ti, 320i, 323Ci, 323i, 323is, 323ti
• BMW 325Ci, 325e, 325es, 325i, 325is, 325iX, 325xi
• BMW 328Ci, 328i, 328is, 330Ci, 330i, 330xi
• BMW 524td, 525i, 525iT, 525xi, 528e, 528i, 528i xDrive, 528xi
• BMW 530i, 530xi, 535i, 535i GT, 535is, 535i xDrive, 535xi
• BMW 540i, 545i, 550i, 645Ci, 650i, 735i, 740i, 740iL
• Mini Cooper and BMW M3, X3, X5, Z3, Z4, Z8

Common Issues Addressed by This Power Steering Reservoir

• Leaking or cracked power steering reservoir causing fluid loss
• Contaminated or degraded power steering fluid storage
• Failure of original reservoir cap leading to pressure loss
• Incompatibility or damage to previous reservoir in remote mounting setups
• Wear and tear from heat and engine vibrations affecting reservoir integrity

Installation Notes and Tips

Installation of the Dorman 603-906 power steering reservoir requires removal of the old reservoir and careful routing of power steering hoses to the remote-mounted unit. Since mounting brackets, fittings, and hardware are not included, ensure existing components are compatible or sourced separately. Verify that the reservoir cap is properly secured to prevent leaks. It is recommended to inspect power steering hoses and fluid condition during installation to maintain system performance.

Quality Assurance and Warranty

Dorman power steering reservoirs are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-906 part number undergoes quality checks to ensure durability and compatibility with specified BMW and Mini models. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.