Dorman 47291 Engine Coolant Air Bleeder

Overview of Dorman Engine Coolant Air Bleeder Valve 47291

The Dorman Engine Coolant Air Bleeder Valve 47291 is designed to efficiently remove trapped air from the cooling system of select Nissan and INFINITI vehicles. This aluminum valve features a chrome finish and precise dimensions to ensure proper fit and function in your vehicle's engine cooling system.

• Compatible with Nissan 350Z, FX35, FX50, G35, M35, Q50, Q70, Q70L, QX70 and INFINITI models
• Constructed from durable aluminum with a chrome finish for corrosion resistance
• Two ports with 0.81 inch outside diameter each for secure hose connections
• Includes one pipe o-ring and one coolant air bleeder valve for a complete seal
• Housing neck angle of 90 degrees and box neck angle of 95 degrees for optimal fitment
• Outlet diameter of 0.5 inches to match OEM specifications

Detailed Product Description

The Dorman 47291 Engine Coolant Air Bleeder Valve is engineered to maintain proper coolant flow by eliminating air pockets that can cause overheating or inefficient engine cooling. Made from high-quality aluminum, this valve offers durability and resistance to corrosion, ensuring long-term reliability. The chrome finish not only provides a professional appearance but also adds an extra layer of protection against environmental factors.

With two ports each measuring 0.81 inches in outside diameter, the valve allows for secure and leak-free connections. The included pipe o-ring ensures a tight seal, preventing coolant leaks. The valve’s housing neck angle of 90 degrees and box neck angle of 95 degrees are designed to fit precisely within the cooling system layout of compatible Nissan and INFINITI models, including the 350Z, FX35, FX50, G35, M35, Q50, Q70, Q70L, and QX70.

Common Applications and Issues Addressed

• Eliminates air pockets in the engine cooling system
• Prevents overheating caused by trapped air
• Reduces coolant system noise and irregular temperature fluctuations
• Helps maintain consistent coolant flow and pressure
• Supports efficient engine temperature regulation in Nissan and INFINITI vehicles

Installation Notes and Tips

When installing the Dorman 47291 Engine Coolant Air Bleeder Valve, ensure the cooling system is depressurized and cooled down to avoid injury. Verify that the valve’s port sizes and angles match the vehicle’s existing connections. Replace the included pipe o-ring to guarantee a proper seal and prevent leaks. Although bolts are not included, use the original mounting hardware to secure the valve in place. After installation, bleed the cooling system according to the vehicle manufacturer’s procedure to remove any remaining air.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 47291 Engine Coolant Air Bleeder Valve undergoes rigorous quality control to ensure durability and performance. This part includes a gasket and o-ring to maintain a reliable seal. Warranty coverage details can be obtained from the product documentation or manufacturer directly.