Gates 31329 Radiator Cap

Overview of Gates OE Type Radiator Cap 31329

The Gates OE Type Radiator Cap 31329 is designed to maintain optimal pressure in the cooling system of select Fiat, Ram, and Volvo vehicles. This threaded coolant bottle cap ensures a secure seal for closed coolant recovery systems, supporting efficient engine temperature regulation.

• Threaded coolant bottle cap design for secure fit
• Pressure rating of 22 psi (SAE range 18-22 psi)
• Cap depth of 0.31 inches for precise sealing
• Filler neck inside diameter of 1.31 inches (33 mm)
• Filler neck outside diameter of 1.78 inches (45 mm)
• Filler neck depth of 0.4 inches (10 mm)
• Compatible with closed coolant recovery systems
• Shell diameter of 2.98 inches

About the OE Type Radiator Cap Product Line

The OE Type Radiator Cap line by Gates is engineered to meet original equipment performance standards. This product line focuses on delivering reliable pressure control and sealing for coolant systems, matching the specifications required by vehicle manufacturers. The 31329 cap is part of this line, ensuring compatibility and durability for the cooling systems in Fiat, Ram, and Volvo models.

Detailed Product Description

The Gates 31329 radiator cap features a threaded design that fits securely onto the coolant bottle filler neck, which measures 1.31 inches inside diameter and 1.78 inches outside diameter. With a cap depth of 0.31 inches and a filler neck depth of 0.4 inches, it provides a tight seal to maintain the cooling system's closed environment. The cap is rated for 22 psi pressure, aligning with the SAE pressure range of 18-22 psi, which helps prevent coolant loss and overheating by maintaining proper system pressure. Its shell diameter of 2.98 inches ensures compatibility with the specified vehicle models.

Compatible Vehicles and Common Applications

• Fiat 500 and 500L models
• Ram ProMaster 1500, 2500, 3500, and ProMaster City
• Volvo models including 740, 745, 760, 780, 850, 940, 960, C70, S40, S60, S70, S80, S90, V40, V70, V90, XC60, XC70, and XC90

This radiator cap is used to address issues such as coolant leaks, pressure loss in the cooling system, overheating due to improper pressure regulation, and failure of the coolant recovery system seal.

Installation Notes and Tips

• Ensure the radiator cap and filler neck are clean and free of debris before installation
• Align the threaded cap carefully and tighten securely without over-torquing
• Verify the cap pressure rating matches vehicle specifications to avoid cooling system damage
• Inspect the coolant recovery system for leaks after installation

Quality Assurance and Warranty

Gates OE Type Radiator Caps are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 31329 part number is backed by Gates' quality control processes. Please refer to Gates' official warranty policy for specific coverage details.