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Motorad 1116-172 Engine Coolant Thermostat Housing Assembly
| Brand | Motorad 1116-172 |
|---|---|
| Material | Plastic |
| Color | Black |
| Inside Diameter | 2.7 |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 3 |
| Bolt Hole Center To Bolt Hole Center | 2.82 |
| Gasket Type | O-ring |
| Flange Length | 3.53 |
| Flange Thickness | 0.28 |
| Flange Width | 3.49 |
| Outlet Port Quantity | 1 |
| Bleeder Hole | Yes |
| Bolt Hole Quantity | 3 |
| Bolts Included | No |
| Color | Black |
| Gasket or Seal included | Yes |
| Gasket/Seal Material | Rubber |
| Gasket/Seal Material | Rubber |
| Installation Tool Included | No |
| Material | Plastic |
| Mounting Hardware Included | No |
| Number Of Outlet Ports | 1 |
| Number Of Seals | 1 |
| Opening Temperature | 172 |
| Outlet Diameter | 2.7 in |
| Temperature | 172 deg. f |
| Product line | Integrated Housing Thermostat |
| Fits | Acura and Honda · 17 vehicles |
OE supplier quality. Built with OEM materials and manufacturing standards for cooling-system service.
Integrated design. Thermostat, housing, and seal are combined for a streamlined replacement.
172°F operation. Uses a specified opening temperature for consistent coolant control.
Cross-references Motorad 1116-172, Remy 11167 and 193105MSH01 for the same application. See all 4.
Integrated thermostat housing assembly
Motorad 1116-172 is an integrated engine coolant thermostat housing assembly built with OEM-quality materials and OE-supplier manufacturing standards. It uses a 172°F thermostat response and includes the thermostat housing seal for a direct cooling-system service replacement.
- Plastic housing with black finish for a factory-style appearance
- 172°F opening temperature for specified cooling-system operation
- O-ring gasket design with rubber seal material
- Bleeder hole included to assist with air removal during service
- Single outlet port and three mounting holes for the specified application
Fitment and application details
Compatible with Acura RDX and Acura TLX applications, plus Honda Accord applications listed below. Fits 2022-2025 Acura RDX, N/A. Fits 2021-2025 Acura TLX, N/A. Fits 2022 Honda Accord, N/A. Fits 2019-2021 Acura RDX, N/A. Fits 2018-2021 Honda Accord, N/A. Part number 1116-172 is also referenced as 193105MSH01, 91116172, and 11167 for the same application.
What this part helps address
- Coolant temperature control that is no longer staying within the specified range
- Housing leaks caused by worn plastic or seal surfaces
- Air trapped in the cooling system after thermostat service
- Improper thermostat response from an aging integrated housing assembly
Installation notes
Verify the opening temperature, outlet diameter, and mounting-hole layout before installation. This assembly includes a gasket or seal, and the product data does not list mounting hardware or bolts as included. Follow the vehicle service procedure for coolant draining, bleeding, and refill.
Quality assurance
Motorad manufactures this thermostat housing assembly to OEM specifications and processes. As an OE supplier, Motorad builds it with OEM-quality materials and safety standards for cooling-system service.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2025 | Acura | RDX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2025 | Acura | TLX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2024 | Acura | RDX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2024 | Acura | TLX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | Acura | RDX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2023 | Acura | TLX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | Acura | RDX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | Acura | TLX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2022 | Honda | Accord | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | Acura | RDX | 2.0L | L4 | Temperature 172F; Includes thermostat, housing, and seal; OE Specified Temperature; Integrated Housing Thermostat |
| 2021 | Acura | TLX | 2.0L | L4 | Includes thermostat, housing, and seal; Integrated Housing Thermostat |
| 2021 | Honda | Accord | 2.0L | L4 | Temperature 172F; Includes thermostat, housing, and seal; OE Specified Temperature; Integrated Housing Thermostat |
| 2020 | Acura | RDX | 2.0L | L4 | Temperature 172F; Includes thermostat, housing, and seal; OE Specified Temperature; Integrated Housing Thermostat |
| 2020 | Honda | Accord | 2.0L | L4 | Temperature 172F; Includes thermostat, housing, and seal; OE Specified Temperature; Integrated Housing Thermostat |
| 2019 | Acura | RDX | 2.0L | L4 | Temperature 172F; Includes thermostat, housing, and seal; OE Specified Temperature; Integrated Housing Thermostat |
| 2019 | Honda | Accord | 2.0L | L4 | Temperature 172F; Includes thermostat, housing, and seal; OE Specified Temperature; Integrated Housing Thermostat |
| 2018 | Honda | Accord | 2.0L | L4 | Temperature 172F; Includes thermostat, housing, and seal; OE Specified Temperature; Integrated Housing Thermostat |
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