Motorad 7301-180 Engine Coolant Thermostat

Motorad Fail-Safe 180F Thermostat

The Motorad Fail-Safe engine coolant thermostat is built for OE-style cooling system control with a 180 degree Fahrenheit opening temperature. Designed for demanding applications, it uses a copper case and wax compound for quick reaction to coolant temperature changes, along with OEM-spec materials and seals where applicable.

Motorad Fail-Safe line products are engineered as OE-supplier replacements for drivers who need consistent temperature regulation and a built-in fail-safe design. This Motorad 7301-180 thermostat is a direct-fit cooling component for select Infiniti, Nissan, and Mitsubishi applications, including Infiniti Q70, Infiniti Q70L, Nissan Frontier, and Mitsubishi Montero models.

• 180F thermostat opening temperature for OE-specified cooling control
• Fail-Safe lock-in open design for continuous coolant flow during overheating
• Copper case and wax compound for rapid response to coolant temperature changes
• Offset design with air relief valve
• Rubber seal included
• OEM-style seals included where applicable
• Sealing flange outside diameter: 2.52 in.
• Bypass diameter: 1.14 in.
• Bypass length: 1.65 in.
• Flange thickness: 0.068 in.

Detailed Application and Fitment

Compatible With 2016-2019 Infiniti Q70, N/A; 2016-2019 Infiniti Q70L, N/A; 2014-2015 Nissan NV350 Urvan, N/A; 2008-2012 Mitsubishi Montero, N/A; 1995-1996 Mitsubishi Montero, N/A; 2008 Nissan Frontier, N/A; 2008 Nissan Pickup, N/A; 2005-2006 Mitsubishi Montero Sport, N/A; and 1997-2000 Mitsubishi Diamante, N/A. This Motorad 7301-180 thermostat is specified for 180F operation and includes a seal for the listed applications.

This part cross-references Dynomax 73018 for the same application.

What This Thermostat Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant circulation during warm-up
• Overheating concerns caused by a thermostat that no longer opens correctly
• Temperature instability in the cooling system under load
• Replacement needs for OE-specified 180F thermostat applications

Installation Notes and Tips

Verify the 180 degree Fahrenheit specification, flange dimensions, bypass measurements, and seal style before installation. Clean the housing sealing surfaces thoroughly and inspect the cooling system for contamination, leaks, or restricted flow that could affect thermostat performance. Use the vehicle service procedure for the listed Infiniti Q70, Nissan Frontier, and Mitsubishi Montero applications.

Quality Assurance

Manufactured to OEM quality materials and OE supplier standards, this thermostat is produced to OEM specifications and processes for consistent fit and function in demanding automotive cooling systems.