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Dorman 902-5048 Engine Coolant Thermostat Housing
Overview of Dorman Engine Coolant Thermostat Housing 902-5048
The Dorman 902-5048 engine coolant thermostat housing is designed specifically for Honda Prelude models. Crafted from durable metal with a natural finish, this thermostat housing ensures reliable performance and proper engine temperature regulation.
- Constructed from high-quality metal for durability
- Includes a gasket for a secure, leak-free seal
- Features a 1.188-inch outlet port diameter
- Equipped with an air vent (bleeder valve) for efficient coolant flow
- Two mounting holes with 0.313-inch diameter for secure installation
- Housing neck angled at 30 degrees for precise fitment
- Thermostat not included, bolts not included
Detailed Product Description
The Dorman 902-5048 thermostat housing is engineered to meet the exact specifications of Honda Prelude vehicles. Its metal construction provides strength and resistance to heat and corrosion, essential for maintaining engine cooling system integrity. The included gasket ensures a tight seal between the housing and engine block, preventing coolant leaks. The 1.188-inch outlet port diameter and 30-degree housing neck angle are designed to match the original equipment, facilitating proper coolant flow and system compatibility. Additionally, the built-in air vent (bleeder valve) helps remove trapped air from the cooling system, improving overall efficiency.
Compatible Vehicles and Common Applications
- Compatible with Honda Prelude models requiring part number 902-5048
- Replaces worn or damaged thermostat housings causing coolant leaks
- Addresses overheating issues related to faulty thermostat housing seals
- Resolves coolant flow restrictions due to cracked or corroded housings
- Suitable for maintenance or repair of engine cooling system components
Installation Notes and Tips
When installing the Dorman 902-5048 thermostat housing on a Honda Prelude, ensure the mating surfaces are clean and free of old gasket material. Use the included gasket to prevent leaks and tighten mounting bolts evenly to the manufacturer's torque specifications. Note that bolts are not included with this part, so reuse existing hardware or source appropriate replacements. Bleed the cooling system properly to remove air pockets using the built-in air vent valve for optimal performance.
Quality Assurance and Warranty Information
Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction and included gasket contribute to long-lasting durability. While specific warranty details are not provided here, Dorman products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.
| Brand | Dorman |
| Part Number | 902-5048 |
| Air Vent (Bleeder Valve) | Yes |
| Bolts Included | No |
| Color | Natural |
| Gasket Or Seal Included | Yes |
| Housing Neck Angle (┬░) | 30 |
| Material | Metal |
| Mounting Hole Diameter | 0.313 |
| Mounting Hole Quantity | 2 |
| O Rings Included | Not Required |
| Outlet Port Diameter | 1.188 |
| Package Contents | Thermostat Housing with Gasket |
| Thermostat Included | No |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | Honda | Prelude | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. | |
| 2000 | Honda | Prelude | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. | |
| 1999 | Honda | Prelude | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. | |
| 1998 | Honda | Prelude | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. | |
| 1997 | Honda | Prelude | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. | |
| 1996 | Honda | Prelude | VTEC | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. |
| 1995 | Honda | Prelude | VTEC | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. |
| 1994 | Honda | Prelude | VTEC | 2.2L | L4 | N/A | Engine coolant thermostat housing for cooling system. |
| 1993 | Honda | Prelude | VTEC | 2.2L | L4 | 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.