Gates 31549 Radiator Cap

Overview of Gates OE Type Radiator Cap 31549

The Gates OE Type Radiator Cap 31549 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, Jaguar, Land Rover, Lincoln, Mazda, and Volvo models.

• Threaded coolant bottle cap design for secure fit
• Pressure rating of 21 psi (18-22 psi SAE range)
• Cap depth of 0.71 inches for precise sealing
• Filler neck inside diameter of 1.49 inches (38 mm)
• Filler neck outside diameter of 1.98 inches (50 mm)
• Shell diameter of 2.46 inches
• Compatible with closed coolant recovery systems
• OE performance rating for reliable operation

Detailed Product Description

The Gates OE Type Radiator Cap 31549 is a critical component in maintaining the integrity of your vehicle’s cooling system. This threaded coolant bottle cap is engineered to fit filler necks with an inside diameter of 1.49 inches (38 mm) and an outside diameter of 1.98 inches (50 mm), with a cap depth of 0.71 inches and a filler neck depth of 1.29 inches (33 mm). It is designed for closed coolant recovery systems, ensuring that coolant is properly contained and pressure is maintained at a consistent 21 psi, within the SAE pressure range of 18-22 psi. The shell diameter measures 2.46 inches, providing a robust seal to prevent leaks and maintain system pressure.

This radiator cap meets OE performance standards, making it suitable for use in a variety of vehicles including Ford F-150, Mustang, Explorer, and Transit models; Jaguar E-Pace and F-Pace; Land Rover Discovery and Range Rover Evoque; Lincoln Navigator and MKZ; Mazda CX-5 and Mazda3; and Volvo XC40, S60, and V90. The part number 31549 ensures compatibility and quality consistent with original equipment specifications.

Applications and Problem Solving

• Prevents coolant leaks by maintaining a secure seal on the coolant bottle
• Maintains proper system pressure to avoid overheating
• Supports closed coolant recovery systems to reduce coolant loss
• Helps prevent radiator cap failure due to pressure inconsistencies
• Ensures reliable coolant flow and system performance in compatible Ford, Jaguar, Land Rover, Lincoln, Mazda, and Volvo vehicles

Installation Notes and Tips

• Ensure the filler neck dimensions match the cap specifications before installation
• Clean the filler neck area to remove debris or old gasket material
• Thread the cap securely but avoid over-tightening to prevent damage
• Check for leaks after installation by running the engine and monitoring coolant levels
• Replace the radiator cap as part of routine cooling system maintenance

Quality Assurance and Warranty

The Gates OE Type Radiator Cap 31549 is manufactured to meet original equipment standards, ensuring reliable performance and durability. It is designed to withstand the pressure requirements of modern cooling systems and is tested for consistent sealing and pressure retention. While specific warranty details are not provided, Gates products typically adhere to industry quality standards and are backed by the brand’s commitment to automotive component reliability.