Motorad 880070 Engine Coolant Thermostat

Heavy Duty Cooling Control

The Motorad Heavy Duty Thermostat 880070 is an engine coolant thermostat built for demanding cooling systems. It opens at 170 degrees F and uses a copper case with a wax compound for quick reaction to coolant temperature changes.

Compatible With select Dodge Viper, BMW M5, BMW M6, Dodge Ram 1500, Dodge Ram 2500, Dodge Ram 3500, and Ford GT applications, this thermostat is a direct-fit cooling service part for vehicles that need stable temperature regulation. The Motorad Heavy Duty Thermostat line focuses on OE-style construction for consistent operation under load.

Key Features

• 170 degree F thermostat opening temperature
• Copper case and wax compound for fast temperature response
• Manufactured to OEM specifications and processes
• Built with OEM quality materials and safety standards
• Sealing flange outside diameter: 2.87 in
• Bypass diameter: 2.87 in
• Flange thickness: 0.27 in
• Includes seal

Detailed Description

Motorad part number 880070 is an engine coolant thermostat engineered for OE supplier-level fit and function. The 170F calibration supports controlled coolant flow in performance and heavy-duty cooling systems, while the copper case and wax element help the thermostat react quickly as engine temperature changes. This makes it a practical replacement for vehicles that rely on precise thermal management, including Dodge Viper, BMW M5, BMW M6, and Ford GT applications. The Motorad 880070 is also listed for Dodge Ram 1500, Ram 2500, and Ram 3500 coverage in the specified model years.

This part cross-references Stant 14537 for the same application.

What It Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed coolant flow control during temperature changes
• Temperature instability in high-load driving conditions
• Cooling system service needs on Dodge Viper and BMW M5/M6 applications
• Replacement of a thermostat with a 170F opening specification

Installation Notes and Tips

• Verify the 170 degree F specification before installation.
• Confirm sealing flange and bypass dimensions match the housing.
• Inspect the thermostat housing and sealing surfaces before assembly.
• Use the included seal during installation.
• No installation tool is included.

Quality Assurance

Motorad manufactures this Heavy Duty Thermostat using OEM-quality materials and OE supplier processes to meet factory-level specifications for cooling system service.

Fitment

• Fits 2015-2017 Dodge Viper, N/A; Temperature 170F; Includes seal; Heavy Duty Thermostat
• Fits 2006-2010 BMW M5, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat
• Fits 2006-2010 BMW M6, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat
• Fits 2008-2010 Dodge Viper, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat
• Fits 1992-2006 Dodge Viper, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat
• Fits 2004-2006 Dodge Ram 1500, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat
• Fits 2005-2006 Ford GT, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat
• Fits 1994-2003 Dodge Ram 2500, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat
• Fits 1994-2003 Dodge Ram 3500, N/A; Temperature 170F; Includes seal; Alternate Temperature Option; Heavy Duty Thermostat