Calorstat TH6497.80J Engine Coolant Thermostat
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Calorstat

Calorstat TH6497.80J Engine Coolant Thermostat

Brand Calorstat TH6497.80J
Sealing Flange Outside Diameter 3.26
Height Between Flanges 1.33
Type Standard
Gasket Or Seal Included Yes
Seal Type O-ring
Seal Material Rubber
9813 1.69
9841 1
9844 1
9852 1
9943 Yes
Fits BMW · 15 vehicles

Standard thermostat. Provides reliable coolant temperature control for consistent engine operation.

O-ring seal. Rubber seal helps create a secure, leak-resistant fit.

Gasket included. Ready for installation with the seal supplied.

Cross-references 239680346 and TX3680D for the same application. See all 2.

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Engine Coolant Thermostat for BMW V8 Applications

Calorstat TH6497.80J is a standard engine coolant thermostat built for BMW cooling system service where precise opening temperature matters. It opens at 80 C / 176 F and includes an O-ring seal for a direct replacement-style installation.

  • Standard engine coolant thermostat for cooling system temperature control
  • Opening temperature: 80 C / 176 F
  • Includes gasket or seal
  • Seal type: O-ring
  • Seal material: rubber
  • Sealing flange outside diameter: 3.26 in.
  • Height between flanges: 1.33 in.

Fitment and Application Details

Compatible with select BMW V8 models, including Fits 1995 BMW 530i, N/A; Fits 1995 BMW 540i, N/A; Fits 1995 BMW 740i, N/A; Fits 1995 BMW 740iL, N/A; Fits 1994-1995 BMW 850CSi, N/A; Fits 1988-1994 BMW 750iL, N/A; and Fits 1993-1994 BMW 850Ci, N/A. This part cross-references TX3680D for the same application.

Part number TH6497.80J is also referenced in cooling system service for BMW 530i, BMW 540i, BMW 740i, and BMW 850Ci applications where the thermostat opening temperature must match the original specification.

What This Thermostat Helps Address

  • Engine running too cool or too warm due to thermostat wear
  • Delayed coolant flow regulation during warm-up
  • Temperature fluctuation from a sticking thermostat
  • Cooling system service on BMW V8 models with an 80 C thermostat spec
  • Seal leakage at the thermostat housing interface

Installation Notes and Tips

Verify the thermostat opening temperature and housing dimensions before installation. Clean the sealing surface thoroughly, inspect the housing for corrosion or distortion, and replace the O-ring seal if the mating surface shows wear. Confirm the part number TH6497.80J matches the vehicle’s cooling system specification before reassembly.

Quality Assurance

Calorstat thermostats are built for cooling system service with application-specific dimensions and a sealed design. The included rubber O-ring seal supports proper housing sealing when installed on the correct BMW application.

Related reading

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1995BMW530i3.0LV8Opening Temp: 80 C / 176 F
1995BMW540i4.0LV8Opening Temp: 80 C / 176 F
1995BMW740i4.0LV8Opening Temp: 80 C / 176 F
1995BMW740iL4.0LV8Opening Temp: 80 C / 176 F
1995BMW850CSi5.6LV12Opening Temp: 80 C / 176 F
1994BMW750iL5.0LV12Opening Temp: 80 C / 176 F
1994BMW850Ci5.0LV12Opening Temp: 80 C / 176 F
1994BMW850CSi5.6LV12Opening Temp: 80 C / 176 F
1993BMW750iL5.0LV12Opening Temp: 80 C / 176 F
1993BMW850Ci5.0LV12Opening Temp: 80 C / 176 F
1992BMW750iL5.0LV12Opening Temp: 80 C / 176 F
1991BMW750iL5.0LV12Opening Temp: 80 C / 176 F
1990BMW750iL5.0LV12Opening Temp: 80 C / 176 F
1989BMW750iL5.0LV12Opening Temp: 80 C / 176 F
1988BMW750iL5.0LV12Opening Temp: 80 C / 176 F
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
239680346TX3680D