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Stant 49502 Engine Coolant Thermostat / Water Outlet Assembly
| Brand | Stant 49502 |
|---|---|
| Bypass Plate Diameter (in) | 1.67 |
| Flange Diameter (With Seal) (in) | 1.69 |
| Flange Diameter (Without Seal) (in) | 3.25 |
| Freight Class | 70 |
| Height from Flange to Bottom (in) | 1.55 |
| Temperature (F) | 221 Degrees |
| Product line | Integrated Thermostat Housing |
| Fits | BMW · 7 vehicles |
Integrated thermostat housing. Thermostat and housing are combined to simplify installation.
Durable material. Built for long-lasting service in the cooling system.
221-degree thermostat. Helps regulate coolant flow at the specified temperature.
Integrated Thermostat Housing for BMW Cooling Service
Stant 49502 is an engine coolant thermostat and water outlet assembly built with the thermostat integrated into the housing. That one-piece layout simplifies service on BMW cooling systems and helps restore proper coolant flow control at the specified 221 degrees Fahrenheit operating temperature.
Compatible With 1996-1998 BMW 740iL, 1997-1998 BMW 540i, and 1997-1998 BMW 740i applications, this Integrated Thermostat Housing line is focused on direct-fit cooling system replacement. The Stant 49502 part number is a practical choice when replacing a worn thermostat housing on BMW 540i, BMW 740i, or BMW 740iL models.
Key Features
- Integrated thermostat and housing assembly for simplified installation
- Durable housing material for long service life
- 221 degrees Fahrenheit thermostat rating
- Water outlet thermostat housing design for cooling system service
- Bypass plate diameter: 1.67 in.
- Flange diameter with seal: 1.69 in.
- Flange diameter without seal: 3.25 in.
- Height from flange to bottom: 1.55 in.
Detailed Description
The Stant Integrated Thermostat Housing line combines the thermostat and housing into a single assembly, reducing the number of separate components involved in the repair. For BMW cooling system maintenance, Stant 49502 provides a direct replacement format with a 221 degrees Fahrenheit temperature specification and dimensions that support proper fitment in the listed applications. This part is used on 1996-1998 BMW 740iL, 1997-1998 BMW 540i, and 1997-1998 BMW 740i vehicles.
This part cross-references 11531740437 and 11531740438 for the same application.
Common Cooling System Issues
- Leaking thermostat housing at the water outlet
- Sticking thermostat that affects coolant circulation
- Overheating caused by restricted coolant flow
- Cracked or aged housing material
- Service delays from separate thermostat and housing replacement
Installation Notes and Tips
Verify the flange and bypass dimensions against the original part before installation. Inspect the mating surfaces, seals, and surrounding cooling system components during service to help ensure a proper seal and stable coolant temperature control. Confirm vehicle application by model year before ordering Stant 49502 for BMW 540i, BMW 740i, or BMW 740iL cooling repair.
Quality Assurance
Stant manufactures cooling system components for thermostat and housing replacement applications. The integrated design and durable housing construction support consistent service in the listed BMW applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | BMW | 540i | N/A | Temperature rating of 221 degrees.; Integrated Thermostat Housing |
| 1998 | BMW | 740i | N/A | Temperature rating of 221 degrees.; Integrated Thermostat Housing |
| 1998 | BMW | 740iL | N/A | Temperature rating of 221 degrees.; Integrated Thermostat Housing |
| 1997 | BMW | 540i | N/A | Temperature rating of 221 degrees.; Integrated Thermostat Housing |
| 1997 | BMW | 740i | N/A | Temperature rating of 221 degrees.; Integrated Thermostat Housing |
| 1997 | BMW | 740iL | N/A | Temperature rating of 221 degrees.; Integrated Thermostat Housing |
| 1996 | BMW | 740iL | N/A | Temperature rating of 221 degrees.; Integrated Thermostat Housing |
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