Dorman 603-633 Engine Coolant Reservoir - Front

Overview of the Dorman Engine Coolant Reservoir

The Dorman 603-633 engine coolant reservoir is designed for select Mercedes-Benz models, including the CL55 AMG, G63 AMG, and S500. This pressurized plastic reservoir ensures proper coolant storage and circulation to maintain optimal engine temperature.

• Durable plastic construction in black and white
• Pressurized design for efficient coolant management
• Includes mounting brackets and tubing for installation
• Single mounting hole for secure fitment
• Compatible with multiple Mercedes-Benz AMG and standard models

Product Features and Specifications

The Dorman 603-633 coolant reservoir is made from high-quality plastic, providing resistance to heat and corrosion. Its pressurized design helps maintain the correct coolant pressure, which is critical for engine performance and longevity. The reservoir comes with mounting brackets and tubing but does not include a cap or mounting hardware. It features one mounting hole to align with factory mounting points on compatible Mercedes-Benz vehicles.

Compatible Mercedes-Benz Models

This engine coolant reservoir is compatible with a range of Mercedes-Benz vehicles, including the CL55 AMG, CL65 AMG, CL500, CL600, G55 AMG, G63 AMG, G500, G550, S55 AMG, S65 AMG, S350, S430, S500, and S600. The part number 603-633 ensures proper fitment and function for these models, supporting their cooling system requirements.

Common Applications and Problem Resolution

• Replacement of cracked or leaking coolant reservoirs
• Restoring proper coolant pressure in pressurized cooling systems
• Addressing coolant overflow or loss issues
• Preventing engine overheating due to coolant containment failure
• Maintaining coolant system integrity in Mercedes-Benz AMG and standard models

Installation Notes and Tips

Installation of the Dorman 603-633 reservoir requires removal of the old reservoir and proper alignment using the single mounting hole and included brackets. Since mounting hardware is not included, ensure you have the necessary bolts or screws from the original assembly. The reservoir comes with tubing, which should be connected securely to prevent leaks. Verify that the system is depressurized before installation to avoid injury.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. While this product does not include a cap or mounting hardware, it is engineered for durability and reliable performance in Mercedes-Benz cooling systems. Warranty coverage details can be obtained from the product packaging or Dorman's official resources.