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Motorad 985-170 Engine Coolant Thermostat Housing Assembly
| Brand | Motorad 985-170 |
|---|---|
| Bleeder Hole | Yes |
| Bypass Diameter | 1.18 in |
| Bypass Length | 0.86 in |
| Color | Silver |
| Gasket Or Seal Included | No |
| Grade Type | Regular |
| Installation Tool Included | No |
| Material | Aluminum, Steel, Copper |
| Mounting Hardware Included | No |
| Number Of Bolt Holes | 3 |
| Number Of Outlet Ports | 2 |
| Outlet Diameter | 1.38 in, 0.50 in |
| Temperature | 170 Deg. F |
| Temperature (Degree) | 170 |
| Product line | Integrated Housing Thermostat |
| Fits | Nissan · 15 vehicles |
OE supplier quality. Built with OEM materials and processes for dependable cooling performance.
Rapid response. Copper case and wax compound react quickly to coolant temperature changes.
Integrated housing design. Combines thermostat and housing in one assembly for a cleaner replacement.
Cross-references Dorman - OE Solutions 902-5854, Four Seasons 98570 and Motorad 985-170 for the same application. See all 10.
Integrated thermostat housing for Nissan GT-R
Motorad 985-170 is an integrated engine coolant thermostat housing assembly built for Nissan GT-R cooling system service. It uses OEM-quality materials and OE-spec manufacturing processes to deliver a direct-fit replacement with a 170°F thermostat setting.
The Motorad Integrated Housing Thermostat line focuses on complete thermostat-and-housing service parts for vehicles that need precise coolant temperature control. This 985-170 assembly is built with aluminum, steel, and copper components, plus a copper case and wax compound for quick reaction to coolant temperature changes.
Key features
- Integrated engine coolant thermostat housing assembly
- 170°F thermostat temperature
- Aluminum, steel, and copper construction
- Silver finish
- Bleeder hole included for air management during service
- 3 bolt holes and 2 outlet ports
- Outlet diameters: 1.38 in and 0.50 in
- Bypass diameter: 1.18 in; bypass length: 0.86 in
Detailed description
Motorad 985-170 is an OE-style thermostat housing assembly for 2009-2021 Nissan GT-R and 2023-2024 Nissan GT-R applications. It is manufactured to OEM specifications and processes, with materials selected to handle demanding cooling-system conditions. The copper case and wax compound support fast thermostat response as coolant temperature changes, helping maintain stable operating temperature in performance-oriented use.
This part cross-references Dorman OE Solutions 902-5854 and Four Seasons 98570 for the same application. Motorad 985-170 is a direct replacement choice when servicing the thermostat housing on a Nissan GT-R and replacing the integrated housing assembly at the specified 170°F calibration.
What this part helps address
- Engine running hotter than normal due to thermostat control issues
- Coolant temperature instability during driving
- Thermostat housing wear or deterioration
- Service replacement for a leaking or aging integrated housing assembly
- Cooling-system maintenance on Nissan GT-R models with the OE-specified 170°F thermostat
Installation notes and tips
Compatible With 2009-2021 Nissan GT-R and 2023-2024 Nissan GT-R, N/A. Verify the 170°F temperature specification and outlet-port layout before installation. Mounting hardware, gasket or seal, and installation tool are not included, so reuse or source the required service parts as needed. Clean the mating surfaces thoroughly and bleed the cooling system after installation using the bleeder hole.
Quality assurance
Motorad manufactures this integrated housing thermostat with OEM-quality materials and safety standards as an OE supplier. The part is built to OE specifications for consistent fit and temperature control in Nissan GT-R cooling-system service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Nissan | GT-R | 3.8L | V6 | N/A | Includes thermostat and housing; Integrated Housing Thermostat |
| 2023 | Nissan | GT-R | 3.8L | V6 | N/A | Includes thermostat and housing; Integrated Housing Thermostat |
| 2021 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2020 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2019 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2018 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2017 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2016 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2015 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2014 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2013 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2012 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2011 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2010 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
| 2009 | Nissan | GT-R | 3.8L | V6 | N/A | Temperature 170F; Includes thermostat and housing; OE Specified Temperature; Integrated Housing Thermostat |
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