Calorstat TH6837.82J Engine Coolant Thermostat

Engine Coolant Thermostat for Ford and Volvo

Calorstat TH6837.82J is a standard engine coolant thermostat built for precise coolant flow control in select Ford and Volvo applications. It features an off-set valve seat, a rubber gasket seal, and a 180.0-degree start-to-open temperature for consistent engine warm-up and temperature regulation.

Key Features

• Standard engine coolant thermostat for cooling system service
• Off-set valve seat design for application-specific fitment
• Starts to open at 180.0 degrees
• Gasket or seal included
• Rubber seal material
• Sealing flange outside diameter: 1.88
• Height between flanges: 1.04

Detailed Product Overview

Calorstat TH6837.82J is engineered for vehicles that require a thermostat with a 180.0-degree opening point and an off-set valve seat design. The included gasket seal helps support a proper seal at the housing interface, while the standard configuration makes it a direct service part for cooling system maintenance. This thermostat is listed for 2011-2019 Ford Fiesta, 2018-2019 Volvo S90, 2018-2019 Volvo XC60, and 2016-2019 Volvo XC90. It is also cross-referenced to Gates 34811 for the same application. If you are replacing a Ford Fiesta thermostat or servicing a Volvo XC90 cooling system, TH6837.82J provides the specified fitment and temperature rating needed for routine repair work.

Common Problems This Part May Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuations caused by a worn thermostat
• Coolant flow control issues in the thermostat housing circuit
• Coolant seepage at the thermostat sealing surface
• Cooling system service on Ford Fiesta and Volvo S90, XC60, or XC90 models

Installation Notes and Tips

Verify the thermostat housing style, sealing flange dimensions, and opening temperature before installation. Clean the mating surfaces thoroughly and replace any damaged gasket surfaces to help ensure a proper seal. Confirm the part number TH6837.82J against the vehicle’s original thermostat specification before reassembly. For fitment-specific service, use the vehicle application listed for your Ford Fiesta or Volvo model year.

Quality Assurance

Calorstat is listed as an OE supplier to Ford, and this thermostat is cataloged with OEM-recommended applications for select Volvo models. That OE-supplier context supports confidence in application matching for TH6837.82J.