Gates 31328 Radiator Cap

Overview of Gates OE Type Radiator Cap 31328

The Gates OE Type Radiator Cap 31328 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 Volkswagen models including Cabrio, Corrado, EuroVan, Golf, Jetta, and Passat.

• Threaded coolant bottle cap design for secure fit
• Pressure rating of 20 psi (18-22 psi SAE range)
• Compatible with closed coolant recovery systems
• Filler neck inside diameter: 1.98 inches (50 mm)
• Filler neck outside diameter: 2.28 inches (58 mm)
• Cap depth and filler neck depth: 0.74 inches (19 mm)
• Shell diameter: 3.11 inches
• OE performance rating for reliable fit and function

Details on the OE Type Radiator Cap Product Line

The Gates OE Type Radiator Cap line focuses on delivering original equipment performance and fitment. This product line is engineered to meet or exceed factory specifications, ensuring compatibility and durability for specific vehicle applications. The 31328 cap maintains system pressure within the recommended range, supporting the closed coolant recovery system found in many Volkswagen vehicles.

Product Description and Specifications

The Gates 31328 radiator cap is a threaded coolant bottle cap designed for Volkswagen vehicles such as the Cabrio, Corrado, EuroVan, Golf, Jetta, and Passat. It features a pressure rating of 20 psi, which falls within the SAE pressure range of 18-22 psi, helping to maintain proper coolant system pressure and prevent overheating. The cap’s dimensions include a filler neck inside diameter of 1.98 inches (50 mm) and an outside diameter of 2.28 inches (58 mm), with a cap and filler neck depth of 0.74 inches (19 mm). The shell diameter measures 3.11 inches, providing a secure and precise fit. This radiator cap is designed for closed coolant recovery systems, ensuring efficient coolant flow and pressure regulation.

Common Applications and Problem Solving

• Maintains proper pressure in the cooling system to prevent overheating
• Prevents coolant leaks by providing a secure seal on the coolant bottle
• Supports closed coolant recovery systems in Volkswagen vehicles
• Helps avoid engine damage caused by pressure loss or coolant evaporation
• Replaces worn or faulty radiator caps to restore system integrity

Installation Notes and Tips

When installing the Gates OE Type Radiator Cap 31328, ensure the coolant system is cool to avoid injury. Clean the filler neck area before installation to remove debris or old gasket material. Screw the cap on firmly until it seats properly, but avoid over-tightening which can damage the threads. Verify the cap’s pressure rating matches the vehicle manufacturer’s specifications for optimal performance.

Quality Assurance and Warranty

Gates OE Type Radiator Caps are manufactured to meet original equipment standards, providing reliable performance and durability. The 31328 part number is tested to maintain consistent pressure ratings and fitment for Volkswagen models. While specific warranty details are not provided, Gates products typically adhere to industry quality controls to ensure customer satisfaction and product longevity.