/live/media/VE/VE_TH694882J_Fro.jpg)
OE Quality
60-Day Returns
Calorstat TH6948.82J Engine Coolant Thermostat
Engine Coolant Thermostat for Mazda RX-8
Calorstat TH6948.82J is a standard engine coolant thermostat built for precise temperature control in the cooling system. It opens at 180°F (82°C) and includes a gasket with rubber seal material for a direct-fit service replacement on the Mazda RX-8.
Key Features
- Engine coolant thermostat with standard design
- Start-to-open temperature: 180°F / 82°C
- Off-set valve seat design for the specified application
- Sealing flange outside diameter: 2.04 in.
- Height between flanges: 1.57 in.
- Gasket included with rubber seal material
- Calorstat TH6948.82J thermostat for cooling system repair
Detailed Description
Calorstat TH6948.82J is an engine coolant thermostat engineered for Mazda RX-8 cooling system service from 2004-2011. The thermostat’s 180°F opening temperature helps regulate coolant flow at the specified operating point, while the off-set valve seat design and included gasket support proper sealing at the housing interface. For buyers searching for a Mazda RX-8 thermostat, TH6948.82J provides the core dimensions and temperature rating needed for a direct replacement.
This part cross-references Motorad 620-180 and Stant 48478 for the same application.
What It Helps Address
- Engine running too cool or too warm due to thermostat wear
- Delayed coolant circulation after cold start
- Temperature fluctuation during normal driving
- Cooling system service on a Mazda RX-8 thermostat housing repair
- Replacement of a thermostat that no longer opens at the correct temperature
Installation Notes and Tips
Verify housing condition, sealing surfaces, and coolant condition before installation. Match the thermostat orientation and gasket placement to the original setup, and confirm the 180°F / 82°C specification before reassembly. Fits 2004-2011 Mazda RX-8, N/A.
Quality Assurance
Calorstat cooling system components are built to meet application-specific fitment and temperature requirements. Confirm part number TH6948.82J against the vehicle’s original thermostat specification before installation.
| Brand | Calorstat |
|---|---|
| Part Number | TH6948.82J |
| Sealing Flange Outside Diameter | 2.04 |
| Height Between Flanges | 1.57 |
| Design | Off-set valve seat |
| Type | Standard |
| Gasket Or Seal Included | Yes |
| Seal Type | Gasket |
| Start to Open Temperature | 180.0 |
| Seal Material | Rubber |
| 9813 | 1.1 |
| 9841 | 1 |
| 9844 | 1 |
| 9852 | 1 |
| 9943 | Yes |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
| 2010 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
| 2009 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
| 2008 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
| 2007 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
| 2006 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
| 2005 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
| 2004 | Mazda | RX-8 | 1.3L | R2 | N/A | Opening Temp: 82 C / 180 F |
* 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.