Gates 31550 Radiator Cap

Overview of Gates OE Type Radiator Cap 31550

The Gates OE Type Radiator Cap 31550 is designed specifically for Jaguar vehicles including the Vanden Plas, X-Type, XJ8, XJR, XK8, and XKR models. This threaded coolant bottle cap ensures proper pressure regulation and coolant system integrity for optimal engine cooling performance.

• Threaded coolant bottle cap design for secure fitment
• Pressure rating of 15 psi (14-18 psi SAE range) to maintain system pressure
• Compatible with closed coolant recovery systems
• Filler neck inside diameter options: 1.5 inches (38 mm)
• Filler neck outside diameter: 2.07 inches (53 mm)
• Cap depth of 0.8 inches and filler neck depth of 1.25 inches (32 mm)
• Shell diameter measures 2.46 inches
• OE performance rating ensures factory-level quality and fit

Detailed Product Description

The Gates OE Type Radiator Cap 31550 is engineered to meet original equipment specifications for Jaguar cooling systems. Its threaded design provides a reliable seal on the coolant bottle, preventing leaks and maintaining the closed system's pressure. The cap’s 15 psi pressure rating aligns with the SAE pressure range of 14-18 psi, ensuring the cooling system operates within safe limits to avoid overheating or coolant loss. With precise dimensions including a 1.5 inch (38 mm) inside diameter and 2.07 inch (53 mm) outside diameter for the filler neck, this cap fits securely on compatible Jaguar models. The cap depth of 0.8 inches and filler neck depth of 1.25 inches (32 mm) contribute to a proper seal and pressure retention. The 2.46 inch shell diameter provides a robust interface for installation and removal.

The OE Type Radiator Cap product line by Gates focuses on delivering radiator caps that match original equipment specifications for fit, form, and function. This ensures that the 31550 cap performs reliably in Jaguar vehicles, maintaining the integrity of the cooling system and supporting engine temperature regulation.

Applications and Problem Solving

• Prevents coolant leaks caused by worn or damaged radiator caps
• Maintains proper system pressure to avoid engine overheating
• Ensures coolant recovery system operates as a closed system
• Replaces faulty caps that cause coolant loss or pressure drops
• Supports consistent engine temperature control in Jaguar Vanden Plas, X-Type, XJ8, XJR, XK8, and XKR models

Installation Notes and Tips

• Ensure the filler neck is clean and free of debris before installation
• Thread the cap securely but avoid over-tightening to prevent damage
• Verify the cap pressure rating matches vehicle specifications
• Inspect the coolant recovery system for leaks after installation
• Replace the cap if any signs of wear or damage are present

Quality Assurance and Warranty

The Gates OE Type Radiator Cap 31550 is manufactured to meet stringent quality standards and OE performance ratings. It is designed to provide reliable service life and maintain the integrity of the cooling system. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in materials and workmanship, ensuring confidence in the part’s durability and performance.