Dorman 603-955 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir for Buick Encore and Chevrolet Trax

The Dorman 603-955 engine coolant reservoir is designed specifically for select Buick Encore and Chevrolet Trax models. This pressurized coolant reservoir ensures proper coolant storage and monitoring, helping maintain optimal engine temperature and performance.

• Material: Durable plastic construction
• Dimensions: 7.77 inches length, 3.9 inches height
• Color: Black and white for easy fluid level visibility
• Pressurized coolant system with a 20 psi maximum pressure cap
• Includes coolant reservoir, pressurized cap, and level sensor
• Rectangular shape with 2 mounting holes (mounting hardware not included)
• Capacity: 750 ml

Detailed Product Description

The Dorman 603-955 engine coolant reservoir is engineered to meet the specifications required for Buick Encore and Chevrolet Trax vehicles. Constructed from durable plastic, this reservoir features a rectangular shape with two mounting holes for secure installation. The black and white color scheme allows for quick visual checks of coolant levels. It comes complete with a pressurized coolant cap rated for up to 20 psi, ensuring the system maintains proper pressure to prevent overheating. Additionally, the included level sensor provides accurate monitoring of coolant levels, helping to avoid engine damage due to low coolant.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs
• Fixes coolant overflow or underflow issues
• Resolves inaccurate coolant level readings due to faulty sensors
• Prevents engine overheating caused by loss of coolant pressure
• Restores proper coolant system pressure with included pressurized cap

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury from hot coolant. This reservoir is designed for direct replacement on compatible Buick Encore and Chevrolet Trax models. Note that mounting hardware and brackets are not included, so retain original fasteners or acquire suitable replacements. Carefully connect the level sensor wiring and verify proper seating of the pressurized cap to maintain system integrity.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-955 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliable performance. This product includes a level sensor and cap to provide a complete solution for coolant system maintenance. Warranty coverage details can be obtained from the product documentation or manufacturer.