OE Quality
60-Day Returns

Beck Arnley 143-0902 Engine Coolant Thermostat
Reliable Engine Coolant Thermostat for Smart Fortwo
The Beck Arnley 143-0902 engine coolant thermostat is designed specifically for Smart Fortwo models. This thermostat operates at a precise temperature of 194°F to ensure optimal engine performance and temperature regulation.
- Engine coolant thermostat for Smart Fortwo vehicles
- Maintains a consistent 194°F operating temperature
- Part number 143-0902 for accurate identification
- Thermostat housing not included
- Compatible with Smart Fortwo engine cooling systems
Product Details and Specifications
This Beck Arnley engine coolant thermostat (part number 143-0902) is engineered to regulate coolant flow by opening at 194 degrees Fahrenheit. Maintaining this temperature helps prevent engine overheating and promotes efficient fuel combustion. The thermostat is sold without the housing, allowing for replacement of the thermostat element itself while reusing the existing housing. This part is compatible with Smart Fortwo models, ensuring proper fitment and function within the vehicle's cooling system.
Common Applications and Problem Resolution
- Prevents engine overheating by regulating coolant temperature
- Resolves issues with inconsistent engine temperature readings
- Addresses poor heater performance due to thermostat failure
- Helps avoid engine damage caused by stuck-open or stuck-closed thermostats
- Improves overall engine efficiency and emissions control
Installation Notes and Tips
When installing the Beck Arnley 143-0902 thermostat, ensure the engine is cool before beginning work. Since the housing is not included, carefully remove the old thermostat from the existing housing and clean the mating surfaces before installing the new thermostat. Proper sealing is critical to prevent coolant leaks. Follow manufacturer torque specifications for housing bolts to avoid damage.
Quality Assurance and Warranty
Beck Arnley parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 143-0902 engine coolant thermostat undergoes rigorous quality control to ensure reliable operation. While specific warranty details are not provided here, Beck Arnley typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Beck Arnley |
| Part Number | 143-0902 |
| HOUSING | Not included |
| TEMPERATURE | 194 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
| 2014 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
| 2013 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
| 2012 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
| 2011 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
| 2010 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
| 2009 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
| 2008 | Smart | Fortwo | 1.0L | L3 | N/A | ORIGINAL EQUIPMENT TEMPERATURE; TEMPERATURE 194 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.