Gates 31406 Radiator Cap

Reliable Cooling System Protection for Ford and Nissan Vehicles

The Gates OE Type Radiator Cap 31406 is designed to maintain optimal pressure in your vehicle's cooling system. Engineered as a threaded coolant bottle cap, it ensures a secure seal for closed coolant recovery systems in various Ford, Nissan, and Land Rover models.

• Threaded coolant bottle cap design for secure fitment
• Pressure rating of 16 psi (14-18 psi SAE range) to maintain system integrity
• Cap depth of 0.75 inches (19 mm) for precise sealing
• Filler neck inside diameter of 1.31 inches (33 mm) and outside diameter of 1.99 inches (51 mm)
• Shell diameter of 3.3 inches for compatibility with specified vehicles
• Compatible with closed coolant recovery systems

About the Gates OE Type Radiator Cap Product Line

The OE Type Radiator Cap line from Gates focuses on delivering radiator caps that meet original equipment performance standards. The 31406 part number exemplifies this by providing a direct replacement that matches the pressure and fitment specifications required by manufacturers such as Ford, Nissan, and Land Rover. This product line is engineered to ensure reliable sealing and pressure control, critical for maintaining engine cooling efficiency.

Detailed Product Description and Specifications

The Gates 31406 radiator cap features a threaded design that fits coolant bottles with a filler neck inside diameter of 1.31 inches (33 mm) and an outside diameter of 1.99 inches (51 mm). Its cap depth of 0.75 inches (19 mm) and shell diameter of 3.3 inches provide a precise fit to prevent coolant leaks and maintain system pressure. Rated at 16 psi, this cap supports closed coolant recovery systems, helping to prevent overheating and coolant loss. The cap’s pressure rating falls within the SAE recommended range of 14-18 psi, ensuring compatibility with a wide range of vehicles including Ford F-150, Nissan Armada, and Land Rover Range Rover models.

Common Applications and Problem Solving

• Prevents coolant leaks caused by worn or damaged radiator caps
• Maintains proper pressure to avoid engine overheating
• Ensures efficient operation of closed coolant recovery systems
• Replaces faulty caps that cause coolant loss or system pressure drops
• Compatible with multiple Ford, Nissan, Land Rover, and Lincoln models requiring a 16 psi radiator cap

Installation Notes and Tips

When installing the Gates OE Type Radiator Cap 31406, ensure the coolant system is cool to avoid injury. Clean the filler neck area before threading the cap on to prevent contamination. Tighten the cap securely by hand until it seats firmly, avoiding over-tightening which can damage the threads. Verify the cap’s pressure rating matches the vehicle manufacturer’s specifications to maintain proper cooling system function.

Quality Assurance and Warranty Information

Gates OE Type Radiator Caps are manufactured to meet or exceed original equipment standards, providing reliable performance and durability. The 31406 part number undergoes rigorous quality control to ensure consistent pressure retention and fitment. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects to support long-term use in compatible Ford, Nissan, and Land Rover vehicles.