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Stant 48818 Engine Coolant Thermostat / Water Outlet Assembly
Overview of Stant Integrated Thermostat Housing 48818
The Stant Integrated Thermostat Housing 48818 is engineered for precise temperature regulation in Cadillac CTS, SRX, and STS models. Designed to maintain optimal engine coolant flow, this thermostat housing supports efficient engine performance and temperature control.
- Bypass Plate Diameter: 1.37 inches
- Flange Diameter with Seal: 1.76 inches
- Flange Diameter without Seal: 3 inches
- Height from Flange to Bottom: 1.37 inches
- Thermostat Opening Temperature: 180 degrees Fahrenheit
- Freight Class: 70
Details on the Integrated Thermostat Housing Product Line
The Stant Integrated Thermostat Housing line combines the thermostat and water outlet assembly into a single unit, simplifying installation and improving reliability. This design reduces potential leak points and ensures consistent coolant flow, which is critical for maintaining engine temperature in Cadillac CTS, SRX, and STS vehicles. The 48818 part number represents a precise fit and function within this product line.
Technical Description and Specifications
This engine coolant thermostat and water outlet assembly features a 1.37-inch bypass plate diameter, allowing controlled coolant circulation during engine warm-up. The flange diameters, 1.76 inches with seal and 3 inches without, provide secure mounting and sealing surfaces. The height from flange to bottom is 1.37 inches, ensuring proper alignment within the cooling system. The thermostat opens at 180 degrees Fahrenheit, a standard temperature for maintaining optimal engine operation in Cadillac CTS, SRX, and STS models.
Common Applications and Problem Resolution
- Regulates engine temperature to prevent overheating
- Ensures proper coolant flow during engine warm-up
- Replaces faulty or leaking thermostat housings in Cadillac CTS, SRX, and STS
- Helps maintain engine efficiency and emissions control
- Prevents coolant leaks that can cause engine damage
Installation Notes and Tips
When installing the Stant 48818 thermostat housing, ensure the mating surfaces are clean and free of old gasket material. Verify the thermostat orientation matches the vehicle specifications for Cadillac CTS, SRX, and STS models. Use the correct torque specifications to avoid flange damage and ensure a proper seal. This integrated unit simplifies installation by combining the thermostat and water outlet assembly.
Quality Assurance and Warranty
Stant manufactures the Integrated Thermostat Housing 48818 to meet or exceed OEM standards for fit, form, and function. The part is designed for durability and reliable temperature regulation in Cadillac CTS, SRX, and STS vehicles. Warranty information is available from the manufacturer and should be consulted for specific coverage details.
| Brand | Stant |
| Part Number | 48818 |
| Position | Integrated Thermostat Housing |
| Bypass Plate Diameter (in) | 1.37 |
| Flange Diameter (With Seal) (in) | 1.76 |
| Flange Diameter (Without Seal) (in) | 3 |
| Freight Class | 70 |
| Height from Flange to Bottom (in) | 1.37 |
| Temperature (F) | 180 degrees |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2009 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2009 | Cadillac | SRX | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2009 | Cadillac | STS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2008 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2008 | Cadillac | SRX | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2008 | Cadillac | STS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2007 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2007 | Cadillac | SRX | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2007 | Cadillac | STS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2006 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2006 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2006 | Cadillac | SRX | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2006 | Cadillac | STS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2005 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; Includes Housing; OE Temperature; Integrated Thermostat Housing |
| 2005 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2005 | Cadillac | SRX | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2005 | Cadillac | STS | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2004 | Cadillac | CTS | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
| 2004 | Cadillac | SRX | N/A | Temperature 180 Degrees; Seal Included - Seal; OE Temperature; Integrated Thermostat Housing |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.