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Calorstat TH6872.88J Engine Coolant Thermostat
| Brand | Calorstat TH6872.88J |
|---|---|
| Material | Plastic |
| Height Between Flanges | 1 |
| Color | Black |
| Type | Plastic housing |
| Gasket Or Seal Included | Yes |
| Seal Type | Gasket |
| Start to Open Temperature | 190.0 |
| Seal Material | Rubber |
| 9813 | 1.37 |
| 9841 | 1 |
| 9844 | 1 |
| 9852 | 1 |
| 9943 | Yes |
| Fits | BMW · 8 vehicles |
Plastic housing. Lightweight construction with a black finish for a clean, factory-style look.
Gasket included. Comes with a rubber seal for a ready-to-install thermostat assembly.
190-degree opening. Helps regulate coolant flow at the specified opening temperature.
Cross-references Bosch 15309, Motorad 691-190 and URO 11517805811 for the same application. See all 7.
Engine Coolant Thermostat for BMW Cooling Service
Calorstat TH6872.88J is an engine coolant thermostat with a plastic housing, black finish, and included gasket seal. It opens at 190.0 degrees and is built for direct cooling-system service on select BMW applications, including BMW X5 and BMW 335d models.
- Plastic housing construction
- Black finish
- Gasket included
- Rubber seal material
- Start-to-open temperature: 190.0
- Fits BMW X5 and BMW 335d applications
Fitment and Cross References
Fits 2009-2013 BMW X5, N/A. Fits 2009-2011 BMW 335d, N/A. This part cross-references Bosch 15309 for the same application.
Detailed Product Overview
Calorstat TH6872.88J is a plastic housing engine coolant thermostat designed for temperature control in the cooling system. The 190.0-degree start-to-open specification helps regulate coolant flow as the engine reaches operating temperature, supporting stable thermal management in BMW X5 and BMW 335d models. The included gasket seal and rubber seal material simplify sealing at the housing interface during thermostat replacement.
Use TH6872.88J when servicing a leaking thermostat housing, replacing a thermostat that is stuck open or stuck closed, or addressing temperature regulation concerns in the cooling circuit. The part number TH6872.88J is also useful when matching OE-style cooling system components for BMW X5 and BMW 335d fitment.
Common Issues This Part May Address
- Engine running too cool from a thermostat stuck open
- Overheating caused by restricted coolant flow
- Coolant seepage at the thermostat housing seal
- Temperature fluctuation during normal driving
- Cooling-system service on BMW X5 and BMW 335d models
Installation Notes and Tips
Confirm the housing style, seal type, and temperature rating before installation. Clean the mating surfaces thoroughly, inspect the cooling system for contamination or damaged hoses, and refill and bleed the system according to BMW service procedures after replacement. Verify the part number TH6872.88J against the original thermostat assembly before installation.
Quality Assurance
Calorstat is listed as an OE supplier to BMW, and this thermostat is specified for select BMW cooling-system applications. Verify fitment by year and model before ordering.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2013 | BMW | X5 | 3.0L | L6 | Vernet is an OE Supplier to BMW |
| 2012 | BMW | X5 | 3.0L | L6 | Vernet is an OE Supplier to BMW |
| 2011 | BMW | 335d | 3.0L | L6 | Vernet is an OE Supplier to BMW |
| 2011 | BMW | X5 | 3.0L | L6 | Vernet is an OE Supplier to BMW |
| 2010 | BMW | 335d | 3.0L | L6 | Vernet is an OE Supplier to BMW |
| 2010 | BMW | X5 | 3.0L | L6 | Vernet is an OE Supplier to BMW |
| 2009 | BMW | 335d | 3.0L | L6 | Vernet is an OE Supplier to BMW |
| 2009 | BMW | X5 | 3.0L | L6 | Vernet is an OE Supplier to BMW |
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