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Dorman 902-5116 Engine Coolant Thermostat Housing
Overview of Dorman Engine Coolant Thermostat Housing
The Dorman 902-5116 engine coolant thermostat housing is designed specifically for Acura NSX models. Crafted from durable metal with a natural finish, this thermostat housing ensures reliable performance in your vehicle's cooling system.
- Constructed from sturdy metal material for durability
- Natural color finish for corrosion resistance
- Outlet port diameter: 4.445 inches
- Inlet port diameter: 1.51 inches
- Height measures 1.611 inches for precise fitment
- Includes two mounting holes with 0.266 inch diameter each
- Bolt hole center-to-center distance of 3.133 inches
- Flange thickness of 0.212 inches for secure sealing
- Does not include thermostat, gasket, bolts, or O-rings
Detailed Product Description
The Dorman 902-5116 thermostat housing is engineered to meet the exact specifications required for Acura NSX vehicles. Its metal construction provides strength and resistance to heat and pressure within the engine cooling system. The housing features a natural finish that helps prevent corrosion over time. With precise dimensions such as a 4.445 inch outlet port diameter and a 1.51 inch inlet port diameter, this part ensures proper coolant flow and system integrity. The two mounting holes spaced 3.133 inches apart allow for secure attachment to the engine block. Note that this housing does not include the thermostat or sealing components, so these should be sourced separately during installation.
Compatible Vehicles and Common Applications
- Replacement for damaged or cracked thermostat housing on Acura NSX
- Addresses coolant leaks caused by housing wear or corrosion
- Resolves overheating issues related to faulty thermostat housing
- Used when upgrading or restoring the engine cooling system
- Suitable for maintenance requiring removal of the original housing
Installation Notes and Tips
When installing the Dorman 902-5116 thermostat housing on an Acura NSX, ensure the mating surfaces are clean and free of old gasket material. Since this housing does not include a gasket or O-rings, use appropriate sealing components recommended for your vehicle. Tighten mounting bolts evenly to the manufacturer’s torque specifications to prevent leaks. Inspect the thermostat separately and replace if necessary to maintain optimal cooling system performance.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this product does not include a thermostat or seals, it is built to provide reliable service within the engine cooling system of Acura NSX vehicles. Please refer to Dorman’s warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 902-5116 |
| Material | Metal |
| Color | Natural |
| Outlet Port Diameter | 4.445 |
| Height | 1.611 |
| Gasket Or Seal Included | No |
| Mounting Hole Quantity | 2 |
| Bolt Hole Center To Bolt Hole Center | 3.133 |
| Inlet Port Diameter | 1.51 |
| Flange Thickness | 0.212 |
| Mounting Hole Diameter | 0.266 |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| O Rings Included | No |
| Package Contents | 1 thermostat housing |
| Thermostat Included | No |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2005 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2004 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2003 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2002 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2001 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 2000 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1999 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1998 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Acura | NSX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1995 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1994 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1993 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1992 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1991 | Acura | NSX | 3.0L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.