Dorman 99979 Power Steering Reservoir Cap

Overview of Dorman Power Steering Reservoir Cap 99979

The Dorman Power Steering Reservoir Cap 99979 is designed to provide a secure seal for the power steering fluid reservoir on select Nissan and INFINITI vehicles. This black plastic cap features a twist-on attachment type, ensuring easy installation and reliable performance for models like the Nissan Altima and INFINITI QX56.

• Durable black plastic construction
• Twist-on attachment for secure fit
• Diameter: 2.29 inches for precise sealing
• Height: 1 inch for compact design
• Includes one power steering reservoir cap per package

Detailed Product Description

The Dorman 99979 power steering reservoir cap is engineered from sturdy plastic material to withstand the conditions within the engine bay. Its twist-on design allows for straightforward installation and removal without the need for additional tools. Measuring 2.29 inches in diameter and 1 inch in height, this cap fits tightly to prevent fluid leaks and contamination. The black finish complements the engine compartment while maintaining durability against heat and wear.

Compatible Vehicles and Applications

This power steering reservoir cap is compatible with a range of Nissan and INFINITI models, including the Nissan Altima, Armada, Frontier, Maxima, Pathfinder, Quest, TITAN, TITAN XD, Xterra, and the INFINITI QX56. It is specifically designed to replace the original reservoir cap on these vehicles, ensuring proper fit and function.

Common Issues Addressed by This Cap

• Prevents power steering fluid leaks from the reservoir
• Protects fluid from dirt and debris contamination
• Maintains proper pressure within the power steering system
• Helps avoid premature wear of power steering components
• Ensures consistent steering performance and safety

Installation Notes and Tips

Installation of the Dorman 99979 power steering reservoir cap is straightforward due to its twist-on design. Before installation, ensure the reservoir neck is clean and free of debris. Align the cap properly and twist clockwise until securely tightened. Avoid over-tightening to prevent damage to the cap or reservoir threads. No dipstick is included with this cap, so fluid level checks should be performed separately.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 99979 power steering reservoir cap undergoes quality inspections to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.