Gates 31541 Radiator Cap - Auxiliary, Electric Motor Module or Intercooler

Reliable Cooling System Protection for Lexus, Toyota, and Scion

The Gates OE Type Radiator Cap 31541 is engineered to maintain optimal pressure in your vehicle's cooling system. Designed specifically for a range of Lexus, Toyota, and Scion models, this threaded radiator cap ensures a secure seal and consistent performance under varying operating conditions.

• Threaded radiator cap design for secure fitment
• Pressure rating of 16 psi (14-18 psi SAE range) to maintain cooling system integrity
• Cap depth of 1.18 inches (30 mm) for precise sealing
• Filler neck inside diameter of 1.32 inches (34 mm) and outside diameter of 1.96 inches (50 mm)
• Compatible with closed coolant recovery systems
• Shell diameter of 1.95 inches for proper fit on designated vehicles

About the Gates OE Type Radiator Cap Product Line

The OE Type Radiator Cap line by Gates is designed to meet original equipment specifications, providing reliable pressure control and sealing performance. This product line focuses on delivering parts that match the exact dimensions and pressure ratings required by vehicle manufacturers, ensuring compatibility and durability. The 31541 radiator cap is part of this line, offering OE performance for a variety of Lexus, Toyota, and Scion models.

Detailed Product Description

The Gates 31541 radiator cap features a threaded design that fits securely onto the filler neck, preventing coolant leaks and maintaining system pressure. With a pressure rating of 16 psi, it helps regulate the boiling point of the coolant, reducing the risk of overheating. The cap's dimensions—including a 1.18-inch depth and a filler neck diameter of 1.32 inches inside and 1.96 inches outside—ensure a precise fit for vehicles equipped with closed coolant recovery systems. This radiator cap is compatible with multiple Lexus, Toyota, and Scion models such as the Camry, Corolla, Highlander, RAV4, and many others, making it a reliable replacement part for maintaining your vehicle's cooling system efficiency.

Common Applications and Issues Addressed

• Prevents coolant leaks caused by worn or damaged radiator caps
• Maintains proper pressure to avoid engine overheating
• Ensures effective operation of closed coolant recovery systems
• Replaces faulty caps that cause coolant loss or system pressure drops
• Restores cooling system performance in Lexus, Toyota, and Scion vehicles

Installation Notes and Tips

When installing the Gates OE Type Radiator Cap 31541, ensure the radiator filler neck is clean and free of debris. Align the threaded cap carefully and tighten securely to prevent leaks. This cap is designed for vehicles with a closed coolant recovery system, so verify system compatibility before installation. Regular inspection of the radiator cap is recommended to maintain optimal cooling system performance.

Quality Assurance and Warranty

Gates OE Type Radiator Caps are manufactured to meet or exceed original equipment standards, ensuring reliable performance and durability. The 31541 part number is backed by Gates' quality control processes, providing confidence in fit and function. Please refer to Gates' official warranty policy for specific coverage details.