Dorman 603-720 Power Steering Reservoir

Power Steering Reservoir for Select Mercedes-Benz Models

The Dorman 603-720 power steering reservoir is designed to meet the specific needs of Mercedes-Benz vehicles including the CL550, CLS550, E550, ML350, R350, and S550. This reservoir provides a reliable solution for maintaining proper power steering fluid levels and ensuring smooth steering performance.

Key Features of the Dorman 603-720 Power Steering Reservoir

• Constructed from durable plastic material for corrosion resistance
• Matte black and white finish for a clean, OEM-style appearance
• Includes one reservoir cap for secure fluid containment
• Single reservoir type designed for direct replacement
• Does not include mounting hardware, bracket, or fittings

Detailed Description of the Power Steering Reservoir

This Dorman power steering reservoir (part number 603-720) is engineered to provide a precise fit for Mercedes-Benz models such as the CL550, CLS550, E550, ML350, R350, and S550. Made from high-quality plastic, the reservoir resists corrosion and wear from power steering fluid exposure. The matte black and white finish offers a subtle, factory-style look that integrates seamlessly with the vehicle’s engine bay. The package includes the reservoir and one cap, ensuring a secure seal to prevent leaks. Note that mounting hardware and fittings are not included, so existing components should be reused or sourced separately.

Common Applications and Issues Addressed

• Replacement of cracked or leaking power steering reservoirs
• Restoring proper fluid containment to prevent steering system damage
• Resolving low power steering fluid warnings or leaks in Mercedes-Benz CL550 and CLS550 models
• Maintaining optimal steering performance in E550, ML350, R350, and S550 vehicles
• Preventing contamination and fluid loss in the power steering system

Installation Notes and Tips

• Compatible with original mounting brackets and hardware; no mounting components included
• Ensure the power steering system is depressurized before removal
• Inspect and clean fittings before installation to avoid leaks
• Refill with manufacturer-recommended power steering fluid after installation
• Check for leaks and proper fluid level after installation and test drive

Quality Assurance and Warranty Information

Dorman power steering reservoirs are manufactured to meet or exceed OEM specifications for fit and function. The 603-720 reservoir undergoes quality control inspections to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.