OE Quality
60-Day Returns

Dorman 902-5015 Engine Coolant Thermostat Housing
Overview of Dorman Engine Coolant Thermostat Housing 902-5015
The Dorman 902-5015 engine coolant thermostat housing is designed for reliable cooling system performance in select Acura, Honda, and Isuzu vehicles. This metal thermostat housing comes with a gasket included, ensuring a secure seal and proper fitment for models like the Acura SLX, Honda Passport, and Isuzu Rodeo and Trooper.
- Durable metal construction for long-lasting use
- Natural color finish matching OEM appearance
- Includes gasket for a proper seal
- Outlet port diameter of 1.5 inches
- Two mounting holes with 0.313-inch diameter each
- 180-degree housing neck angle for correct coolant flow
- Compatible with Acura Passport, Honda Rodeo, SLX, and Isuzu Trooper
- Thermostat not included; housing only
Detailed Product Description
The Dorman 902-5015 engine coolant thermostat housing is engineered from metal to withstand the high temperatures and pressures within the cooling system. Its natural finish maintains the original equipment look, while the included gasket ensures a tight seal to prevent coolant leaks. The housing features a 1.5-inch outlet port diameter and two mounting holes sized at 0.313 inches, designed to match factory specifications precisely. The 180-degree housing neck angle facilitates proper coolant routing, critical for maintaining engine temperature stability. This part is compatible with several Acura, Honda, and Isuzu models, including the Passport, Rodeo, SLX, and Trooper, making it a suitable replacement for worn or damaged thermostat housings in these vehicles.
Common Applications and Issues Addressed
- Replacement of cracked or leaking thermostat housing
- Resolving coolant leaks around the thermostat area
- Preventing engine overheating due to faulty housing
- Restoring proper coolant flow in Acura Passport and Honda Rodeo cooling systems
- Maintaining cooling system integrity in Isuzu Trooper and SLX models
Installation Notes and Tips
- Ensure the engine is cool before beginning installation
- Remove old thermostat housing and clean mounting surface thoroughly
- Use the included gasket to prevent leaks; do not reuse old gaskets
- Torque mounting bolts to manufacturer specifications (bolts not included)
- Check for leaks after installation and during initial engine operation
Quality Assurance and Warranty
Dorman manufactures the 902-5015 thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction provides durability under normal operating conditions. This part includes a gasket to ensure proper sealing. While bolts are not included, the housing is designed for straightforward installation with factory hardware. Warranty coverage details can be obtained from the product packaging or Dorman's official documentation.
| Brand | Dorman |
| Part Number | 902-5015 |
| Air Vent (Bleeder Valve) | No |
| Bolts Included | No |
| Color | Natural |
| Gasket Or Seal Included | Yes |
| Housing Neck Angle (┬░) | 180 |
| Material | Metal |
| Mounting Hole Diameter | 0.313 |
| Mounting Hole Quantity | 2 |
| O Rings Included | Not Required |
| Outlet Port Diameter | 1.5 |
| Package Contents | Thermostat Housing with Gasket |
| Thermostat Included | No |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Acura | SLX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Honda | Passport | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Isuzu | Rodeo | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1997 | Isuzu | Trooper | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Acura | SLX | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Honda | Passport | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Isuzu | Rodeo | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1996 | Isuzu | Trooper | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1995 | Honda | Passport | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1995 | Isuzu | Rodeo | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1995 | Isuzu | Trooper | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1994 | Honda | Passport | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1994 | Isuzu | Rodeo | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1994 | Isuzu | Trooper | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1993 | Isuzu | Rodeo | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1993 | Isuzu | Trooper | 3.2L | V6 | N/A | Engine coolant thermostat housing for cooling system. |
| 1992 | Isuzu | Trooper | 3.2L | 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.