Gates 31332 Radiator Cap

Overview of Gates OE Type Radiator Cap 31332

The Gates OE Type Radiator Cap 31332 is engineered to maintain optimal pressure in the cooling system of select BMW, Land Rover, and Mini vehicles. Designed as a threaded coolant bottle cap, it ensures a secure seal and reliable performance under varying operating conditions.

• Threaded coolant bottle cap design for secure fitment
• Pressure rating of 30 psi (28-30 psi SAE range)
• Cap depth of 0.98 inches for precise sealing
• Filler neck inside diameter of 1.16 inches (29 mm)
• Filler neck outside diameter of 2.14 inches (54 mm)
• Filler neck depth of 1.62 inches (41 mm)
• Compatible with closed coolant recovery systems
• Shell diameter of 2.61 inches for proper fit

Detailed Product Description

The Gates OE Type Radiator Cap 31332 is specifically designed to meet OE performance standards, providing a reliable seal for the coolant recovery system in vehicles such as BMW 3 Series models (318i, 323i, 328i, 330i), BMW 5 Series (525i, 528i, 530i), BMW 7 Series (735i, 740i, 750i), and various Land Rover and Mini models including the Cooper and Freelander. This radiator cap features a threaded design that fits securely onto the coolant bottle, maintaining a closed system to prevent coolant loss and contamination.

With a pressure rating of 30 psi, it helps regulate the cooling system pressure within the SAE recommended range of 28-30 psi, ensuring the system operates efficiently and prevents overheating. The precise dimensions, including a cap depth of 0.98 inches and filler neck diameters of 1.16 inches inside and 2.14 inches outside, guarantee compatibility with the specified vehicle models. The shell diameter of 2.61 inches and filler neck depth of 1.62 inches further support a proper fit and seal.

About the OE Type Radiator Cap Product Line

The Gates OE Type Radiator Cap line is designed to replicate original equipment specifications, providing consistent performance and fitment. This product line focuses on delivering radiator caps that meet exact pressure ratings and dimensional requirements to ensure proper cooling system function. The 31332 part number is part of this line, offering a dependable replacement for vehicles requiring a threaded coolant bottle cap with a 30 psi pressure rating.

Common Applications and Issues Addressed

• Maintains proper cooling system pressure to prevent overheating
• Prevents coolant leaks from the coolant bottle
• Ensures a sealed closed coolant recovery system
• Replaces worn or damaged radiator caps on BMW 3, 5, 7 Series, Land Rover, and Mini models
• Helps avoid air entering the cooling system, reducing corrosion and component wear

Installation Notes and Tips

• Ensure the radiator cap and filler neck are clean before installation
• Align the threaded cap carefully and tighten securely without over-torquing
• Verify compatibility with your vehicle’s make and model before installation
• Inspect the cooling system for leaks or damage during replacement

Quality Assurance and Warranty

Gates OE Type Radiator Caps are manufactured to meet or exceed original equipment standards, ensuring reliable performance and durability. The 31332 radiator cap undergoes rigorous quality control to maintain consistent pressure ratings and fitment. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in materials and workmanship.