Dorman 902-5601 Engine Coolant Reservoir Cap

Overview of Dorman Engine Coolant Reservoir Cap 902-5601

The Dorman 902-5601 engine coolant reservoir cap is designed to maintain proper pressure in the cooling system of select GM vehicles. This twist-on, pressurized cap ensures a secure seal for your coolant tank, helping to prevent leaks and maintain engine temperature stability.

• Durable black plastic construction
• 63.5 mm diameter for precise fitment
• Maximum pressure rating of 15 psi
• Twist-on attachment type for easy installation
• Pressurized design without vent or pressure release lever
• Compatible with multiple Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, and Saturn models

Detailed Product Description

The Dorman 902-5601 engine coolant reservoir cap is engineered from high-quality plastic to withstand the thermal and pressure demands of your vehicle's cooling system. Measuring 63.5 mm in diameter with a length of 1.5 inches and width of 2.5 inches, this cap fits securely on the coolant tank, providing a pressurized seal rated up to 15 psi. Its twist-on design allows for straightforward installation and removal without the need for additional tools. This cap does not include a pressure release lever or venting, ensuring a sealed environment to maintain optimal coolant system pressure.

Compatible Vehicles and Applications

This coolant reservoir cap is compatible with a wide range of General Motors vehicles, including Buick Alero and LaCrosse, Cadillac Escalade and SRX, Chevrolet Avalanche 1500 and Silverado 1500, GMC Sierra 1500 and Yukon XL 1500, Hummer H2, Oldsmobile Alero, Pontiac G6, and Saturn Vue among others. The Dorman 902-5601 is designed to meet the specifications required for these models, ensuring reliable performance and fitment.

Common Issues Addressed by This Coolant Reservoir Cap

• Prevents coolant leaks caused by worn or damaged caps
• Maintains proper pressure to avoid engine overheating
• Eliminates coolant contamination from external debris
• Ensures consistent coolant flow and system efficiency
• Replaces missing or cracked reservoir caps to restore system integrity

Installation Notes and Tips

• Ensure the engine is cool before removing the old coolant reservoir cap
• Align the cap properly and twist on until securely tightened
• Check for any signs of wear or damage on the reservoir neck before installation
• Regularly inspect the cap for cracks or deterioration to maintain system performance

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5601 engine coolant reservoir cap undergoes rigorous quality control to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product packaging or Dorman's official documentation for exact warranty terms.