Motorad 5281-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select Vehicles

The Motorad UltraStat 5281-180 engine coolant thermostat is designed to maintain optimal engine temperature for a range of vehicles including Toyota Camry, Lexus ES350, and Ford Taurus. Engineered to open at 180 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.

• Sealing flange outside diameter: 2.2 inches
• Bypass diameter: 1.14 inches with a length of 1.74 inches
• Flange thickness: 0.05 inches for precise fitment
• Includes jiggle pin weep hole for pressure regulation
• Compatible with multiple makes and models including Chevrolet, Dodge, Toyota, Lexus, and more

About the Motorad UltraStat Product Line

The UltraStat line by Motorad focuses on delivering thermostats that meet strict OEM specifications for temperature control and durability. The 5281-180 thermostat is part of this line, offering consistent 180°F operation and engineered bypass features to support proper coolant circulation and engine warm-up times.

Technical Details and Compatibility

This engine coolant thermostat features a 2.2-inch sealing flange outside diameter and a bypass diameter of 1.14 inches, with a bypass length of 1.74 inches. The jiggle pin weep hole helps relieve pressure build-up, preventing potential overheating issues. The flange thickness of 0.05 inches ensures a secure and leak-free installation. It is designed for vehicles such as the Toyota 4Runner, Lexus RX350, Ford Taurus, Mitsubishi Eclipse, and Pontiac Vibe, among others.

Common Applications and Problem Resolution

• Regulates engine temperature to prevent overheating
• Maintains proper coolant flow during engine warm-up
• Prevents coolant bypass issues that can cause inefficient heating
• Helps avoid engine damage due to thermostat failure
• Supports consistent engine performance in Toyota Camry and Lexus ES350 models

Installation Notes and Tips

The Motorad UltraStat 5281-180 thermostat does not include a gasket or seal, so ensure to use a compatible gasket during installation. No installation tool is included, so standard thermostat installation tools are recommended. Verify the sealing flange diameter and bypass dimensions match your vehicle’s specifications before installation. Proper torque on the housing flange is essential to avoid leaks.

Quality Assurance and Warranty

Motorad UltraStat thermostats are manufactured to meet or exceed OEM standards for durability and temperature accuracy. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure reliable operation in compatible Chevrolet, Dodge, Ford, Lexus, Mitsubishi, Pontiac, Scion, and Toyota vehicles.