Motorad 420-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Chrysler, Dodge, Jeep, Mitsubishi, and Ram

The Motorad Standard 420-180 engine coolant thermostat is designed to maintain optimal engine temperature for a range of vehicles including Chrysler, Dodge, Jeep, Mitsubishi, and Ram models. Engineered with precision, this thermostat ensures efficient coolant flow and temperature regulation at 180 degrees Fahrenheit.

• Sealing flange outside diameter: 2.13 inches for secure fitment
• Includes a rubber gasket/seal for reliable sealing
• Equipped with a jiggle pin weep hole to prevent air locks
• Flange thickness of 0.05 inches for durability
• Designed to operate at 180°F temperature
• One seal included for proper installation

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts that meet OEM specifications for engine cooling systems. The Standard series focuses on delivering consistent performance and fitment for a variety of vehicle makes and models. The 420-180 thermostat is part of this line, providing a balance of quality and value for routine maintenance and repairs.

Product Details and Specifications

This engine coolant thermostat features a 2.13-inch sealing flange outside diameter, ensuring a precise fit in the cooling system housing. The included rubber gasket provides a secure seal to prevent leaks, while the jiggle pin weep hole allows trapped air to escape, reducing the risk of overheating. The flange thickness of 0.05 inches contributes to the part's structural integrity. Designed to open at 180 degrees Fahrenheit, this thermostat helps maintain optimal engine operating temperature for efficient performance.

Compatible Vehicles and Applications

• Chrysler 1500 and Aspen
• Dodge Dakota, Durango, and Ram 1500/2500
• Jeep Commander, Grand Cherokee, Liberty, and Nitro
• Mitsubishi Raider

This thermostat is suitable for engine cooling system repairs and replacements in these specific models, ensuring proper temperature regulation and engine protection.

Common Issues Addressed by This Thermostat

• Engine overheating due to stuck closed thermostat
• Poor heater performance from thermostat failure
• Coolant leaks around the thermostat housing
• Erratic engine temperature fluctuations
• Reduced fuel efficiency caused by improper engine temperature

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Replace the old thermostat and gasket with the Motorad Standard 420-180 thermostat, making sure the jiggle pin is positioned correctly to allow air to escape. Use the included rubber gasket to create a proper seal and prevent leaks. No special installation tools are required, but follow vehicle-specific service manual instructions for torque specifications and procedures.

Quality Assurance and Warranty

The Motorad Standard 420-180 thermostat is manufactured to meet industry standards for durability and performance. It includes one rubber seal to ensure leak-free operation. While specific warranty details are not provided, Motorad parts typically conform to OEM quality requirements, offering reliable service life when installed correctly.