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Dorman 902-2077 Engine Coolant Thermostat Housing Assembly - Upper
Reliable Engine Coolant Thermostat Housing Assembly for Cadillac Vehicles
The Dorman 902-2077 Engine Coolant Thermostat Housing Assembly is designed specifically for Cadillac CTS, SRX, and STS models. This metal thermostat housing assembly includes a thermostat calibrated to open at 180 degrees Fahrenheit, ensuring precise engine temperature regulation for optimal performance.
- Durable metal construction with natural finish
- Includes thermostat and gasket for a complete assembly
- Designed for Cadillac CTS, SRX, and STS models
- Thermostat opens at 180°F for accurate temperature control
- Two mounting holes with 3-inch bolt hole center spacing
- Flange dimensions: 4" width, 2.75" length, 0.45" thickness
- Single outlet port and no bleeder hole
Product Details and Specifications
The Dorman 902-2077 thermostat housing assembly is constructed from metal to provide durability and resistance to engine heat and coolant corrosion. It comes with a natural color finish and includes a thermostat, gasket, and o-ring to ensure a proper seal and fit. The assembly features two mounting holes spaced 3 inches apart center-to-center, with flange dimensions optimized for a secure fit. The thermostat is designed to open at 180 degrees Fahrenheit, maintaining the engine's optimal operating temperature. This assembly does not include mounting hardware, so existing bolts should be reused or sourced separately.
Compatible Cadillac Models and Applications
This thermostat housing assembly is compatible with the following Cadillac models:
- Cadillac CTS
- Cadillac SRX
- Cadillac STS
Use this part number 902-2077 when searching for a replacement thermostat housing assembly for these specific vehicles to ensure proper fit and function.
Common Issues Addressed by This Thermostat Housing Assembly
- Engine overheating due to faulty thermostat housing leaks
- Coolant leaks caused by damaged or worn thermostat housing gaskets
- Inconsistent engine temperature regulation from malfunctioning thermostat
- Corrosion or cracking in original thermostat housing
- Replacement of thermostat housing assembly during engine cooling system repairs
Installation Notes and Tips
Before installation, ensure the engine is cool and the cooling system is depressurized. Remove the old thermostat housing assembly carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket and o-ring. Since mounting hardware is not included, retain original bolts or acquire appropriate replacements. Torque bolts to manufacturer specifications to prevent leaks. Verify thermostat operation after installation by monitoring engine temperature during initial operation.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-2077 thermostat housing assembly undergoes quality inspections to ensure durability and reliable performance. This product includes a gasket and thermostat to provide a complete solution for engine cooling system maintenance. Warranty coverage details can be obtained from the product documentation or Dorman directly.
| Brand | Dorman |
| Part Number | 902-2077 |
| Bleeder Hole | No |
| Bolt Hole Center To Bolt Hole Center | 3 |
| Color | Natural |
| Flange Length | 2.75 |
| Flange Thickness | 0.45 |
| Flange Width | 4 |
| Gasket Or Seal Included | Yes |
| Gasket Type | Gasket |
| Grade Type | Regular |
| Inside Diameter | 0.4 in; 1.3 in |
| Material | Metal |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Outlet Port Quantity | 1 |
| Package Contents | 1 Thermostat Housing; 1 Thermostat; 1 O-Ring |
| Thermostat Included | Yes |
| Thermostat Opening Temperature | 180 Deg. F. |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Cadillac | SRX | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2008 | Cadillac | SRX | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2007 | Cadillac | CTS | 3.6L | V6 | N/A | Left Hand Drive (LHD); Includes Thermostat |
| 2007 | Cadillac | CTS | 2.8L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2007 | Cadillac | CTS | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2007 | Cadillac | SRX | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2007 | Cadillac | STS | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2006 | Cadillac | CTS | 2.8L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2006 | Cadillac | CTS | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2006 | Cadillac | SRX | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2006 | Cadillac | STS | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2005 | Cadillac | CTS | 2.8L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2005 | Cadillac | CTS | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2005 | Cadillac | SRX | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2005 | Cadillac | STS | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2004 | Cadillac | CTS | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
| 2004 | Cadillac | SRX | 3.6L | V6 | Upper | Thermostat housing assembly with included thermostat. |
* 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.