Dorman 603-343 Engine Coolant Reservoir - Front

Overview of the Dorman Engine Coolant Reservoir for Cadillac CTS

The Dorman 603-343 engine coolant reservoir is designed specifically for Cadillac CTS models, providing a reliable solution for your vehicle's cooling system. Made from durable plastic with a clear finish, this reservoir allows for easy fluid level monitoring and efficient heat management.

• Material: Durable plastic construction with clear color for visibility
• Dimensions: 8 inches length and 11.5 inches height
• Capacity: Holds up to 2.65 liters of coolant
• Includes mounting brackets and a pressurized cap rated up to 15 psi
• Package contents: 1 coolant reservoir, 1 hose, and 1 reservoir cap
• Mounting: Features 3 mounting holes for secure installation

Detailed Product Description

The Dorman 603-343 engine coolant reservoir is engineered to meet the specifications of Cadillac CTS vehicles. Constructed from high-quality plastic, the clear reservoir allows for quick visual checks of coolant levels without removing the cap. The included pressurized cap, rated for a maximum pressure of 15 psi, helps maintain optimal system pressure and prevents coolant loss. With a capacity of 2.65 liters, this reservoir supports efficient engine cooling and heat dissipation. The product comes complete with mounting brackets and a hose, ensuring a straightforward replacement process. Its three mounting holes provide a secure fit, maintaining system integrity under various driving conditions.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs in Cadillac CTS models
• Solves coolant overflow or underfill issues caused by damaged tanks
• Addresses pressure loss in the cooling system due to faulty caps
• Prevents engine overheating by maintaining proper coolant levels
• Restores proper coolant circulation and system pressure

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the included mounting brackets and hose for a secure and leak-free fit
• Check all connections and hose clamps for tightness after installation
• Dispose of old coolant properly and refill with manufacturer-recommended coolant
• Verify the pressurized cap is securely tightened to maintain system pressure

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-343 engine coolant reservoir undergoes rigorous quality control to ensure durability and performance in Cadillac CTS vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete terms and conditions.