Motorad 441-170 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Nissan Sentra

The Motorad Standard 441-170 engine coolant thermostat is designed to maintain optimal engine temperature for Nissan Sentra models. Engineered with precise specifications, this thermostat ensures efficient coolant flow and temperature regulation to support engine performance and longevity.

• Sealing flange outside diameter: 1.97 inches
• Height between flanges: 1.42 inches
• Overall height: 2.03 inches
• Start to open temperature: 170°F
• Includes rubber gasket with O-ring seal
• Jiggle pin weep hole for air release
• Bypass diameter: 1.09 inches; bypass length: 1.25 inches
• Flange thickness: 0.05 inches
• One seal included; no installation tool required

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts that meet OEM specifications for cooling system components. This engine coolant thermostat from the Standard series is manufactured to provide consistent temperature control and reliable sealing, making it suitable for routine maintenance and repairs on Nissan Sentra vehicles.

Product Details and Specifications

This Motorad 441-170 thermostat features a start-to-open temperature of 170 degrees Fahrenheit, ensuring the engine reaches optimal operating temperature before coolant flow begins. The thermostat includes a rubber gasket with an O-ring seal type to prevent leaks and maintain system pressure. The jiggle pin weep hole allows trapped air to escape, reducing the risk of overheating. Its compact dimensions, including a 1.97-inch sealing flange diameter and 2.03-inch overall height, are designed to fit precisely within the Nissan Sentra cooling system.

Common Applications and Problem Solving

• Regulates engine temperature to prevent overheating
• Replaces faulty or stuck thermostats causing poor engine performance
• Eliminates coolant leaks with included rubber gasket and O-ring seal
• Helps maintain proper coolant flow for efficient engine operation
• Prevents air pockets in the cooling system with jiggle pin weep hole

Installation Notes and Tips

Installation of the Motorad Standard 441-170 thermostat requires removal of the old thermostat and cleaning of the housing surface to ensure a proper seal. The included rubber gasket should be positioned carefully to avoid leaks. No special installation tools are included, so standard hand tools are sufficient. Verify the thermostat orientation and ensure the jiggle pin is positioned correctly to allow air release during operation.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet industry standards for durability and performance. This part is designed to provide reliable service life when installed according to manufacturer guidelines. Warranty information is available through the original product documentation or authorized distributors.