Dorman 603-5133 Engine Coolant Reservoir

Overview of the Dorman Engine Coolant Reservoir 603-5133

The Dorman 603-5133 engine coolant reservoir is designed to maintain optimal coolant levels and support the cooling system's efficiency. Constructed from durable plastic, this natural-colored reservoir is built to withstand the demands of pressurized cooling systems commonly found in various vehicle makes and models.

• Material: High-quality plastic construction for durability
• Dimensions: Length 462.7 mm, Height 237.3 mm
• Capacity: Maximum 10.9 liters, Working capacity 4.1 liters
• Pressurized coolant cap included with a maximum pressure rating of 15 psi
• Irregular shape with 3 mounting holes and included mounting brackets

Detailed Product Description

The Dorman 603-5133 engine coolant reservoir is engineered to meet the specifications required for pressurized cooling systems. Its plastic construction ensures resistance to corrosion and heat, while the natural color allows for easy coolant level inspection. The reservoir features an irregular shape designed to fit specific engine compartments, supported by three mounting holes and included mounting brackets for secure installation. The pressurized cap, rated for up to 15 psi, helps maintain system pressure and prevents coolant loss under high-temperature conditions. With a maximum capacity of 10.9 liters and a working capacity of 4.1 liters, this reservoir supports efficient coolant circulation and thermal management.

Common Applications and Issues Addressed

• Replacement for cracked or leaking coolant reservoirs in compatible vehicles
• Prevents coolant overflow and maintains proper coolant levels
• Supports pressurized cooling systems to avoid overheating
• Resolves issues related to coolant contamination and reservoir damage
• Helps maintain engine temperature stability during operation

Installation Notes and Tips

When installing the Dorman 603-5133 engine coolant reservoir, ensure the mounting brackets align with the vehicle’s mounting points. Use the three mounting holes for secure attachment. Verify that the pressurized cap is properly seated to maintain system pressure. It is recommended to inspect hoses and connections for wear or damage during installation. Always refill the reservoir with the appropriate coolant type and bleed the cooling system to remove air pockets after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 603-5133 engine coolant reservoir undergoes rigorous quality control to provide consistent fit and function. Please refer to Dorman’s warranty policy for specific coverage details.