Motorad 418-170 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Acura, Honda, and Isuzu Vehicles

The Motorad Standard 418-170 engine coolant thermostat is designed to maintain optimal engine temperature for select Acura, Honda, and Isuzu models. Engineered to open at 170 degrees Fahrenheit, this thermostat ensures efficient coolant flow and engine performance.

• Sealing flange outside diameter: 2.2 inches
• Height between flanges: 1.51 inches
• Overall height: 2.16 inches
• Standard type thermostat with O-ring seal
• Includes a rubber gasket for secure sealing
• Flange thickness: 0.05 inches
• Start to open temperature: 170°F
• No jiggle pin weep hole
• One seal included

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. This line focuses on providing quality replacement parts like thermostats that maintain proper engine temperature control. The 418-170 thermostat is part of this line, ensuring compatibility and performance for vehicles requiring a 170-degree opening temperature.

Product Details and Specifications

This engine coolant thermostat features a 2.2-inch sealing flange outside diameter and a height of 2.16 inches, with a 1.51-inch height between flanges. It uses a rubber gasket and an O-ring seal type to prevent leaks and maintain a tight seal within the cooling system. The thermostat opens at 170 degrees Fahrenheit, which is critical for regulating coolant flow and preventing engine overheating or overcooling. The flange thickness is 0.05 inches, providing a sturdy mounting surface. This thermostat does not include a jiggle pin weep hole, which is typical for standard thermostat designs.

Compatible Vehicles and Applications

• Acura models including SLX and VehiCROSS
• Honda models such as Passport, Axiom, and Rodeo Sport
• Isuzu models including Amigo, Rodeo, Trooper

This thermostat is designed specifically for these vehicles, ensuring proper fit and function when replacing the engine coolant thermostat.

Common Issues Addressed by This Thermostat

• Engine overheating due to stuck-closed thermostat
• Poor engine warm-up from stuck-open thermostat
• Coolant leaks caused by worn seals or gaskets
• Inconsistent engine temperature regulation
• Reduced fuel efficiency and increased emissions from improper coolant flow

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 418-170 thermostat, making sure the O-ring seal is properly seated. The included rubber gasket should be installed to prevent leaks. No special installation tools are required, but careful handling is recommended to avoid damaging the sealing surfaces. Verify the thermostat orientation matches OEM specifications for correct operation.

Quality Assurance and Warranty

The Motorad Standard 418-170 thermostat is manufactured to meet industry standards for durability and performance. It includes a rubber gasket and O-ring seal to ensure a reliable seal within the cooling system. While specific warranty details are not provided, Motorad products typically adhere to quality control processes consistent with OEM replacement parts.