Calorstat TE6842.100J Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing for Audi A4

Calorstat TE6842.100J is an engine coolant thermostat housing assembly built with a black plastic housing, integrated gasket, and three outlet ports. It is a direct-fit cooling system service part for 2002-2006 Audi A4 and 2002-2005 Audi A4 Quattro applications.

Key Features

• Engine coolant thermostat housing assembly for the cooling system
• Black plastic construction for OE-style fit and routing
• Gasket included for sealing at installation
• Two mounting holes for secure attachment
• Three outlet ports for coolant flow connections
• Starts to open at 212.0 degrees
• Calorstat TE6842.100J part number for catalog matching

Detailed Description

Calorstat TE6842.100J is a thermostat housing assembly designed for Audi A4 and Audi A4 Quattro cooling system service. The housing uses a plastic body with a black finish and includes a gasket type seal to support proper coolant sealing at the mounting surface. With three outlet ports and two mounting holes, this assembly matches the layout needed for the listed vehicle applications. The thermostat begins to open at 212.0 degrees, helping regulate coolant flow through the engine cooling circuit. This part also cross-references Gates 34047 for the same application. Search terms such as Audi A4 thermostat housing assembly, Audi A4 Quattro coolant thermostat housing, and TE6842.100J replacement thermostat housing apply to this part.

Common Issues This Part May Address

• Coolant leaks at the thermostat housing or gasket surface
• Cracked or warped plastic housing
• Improper coolant flow control from a worn thermostat assembly
• Overheating caused by a failing housing or seal
• Coolant odor or visible seepage around the housing area

Installation Notes and Tips

Verify the outlet port layout, mounting hole count, and engine application before installation. Clean the sealing surface thoroughly and replace any damaged coolant hoses or clamps connected to the housing. After installation, refill and bleed the cooling system according to the vehicle service procedure to remove trapped air.

Quality Assurance

Calorstat is listed as an OE supplier to Audi for this application, and TE6842.100J is cataloged with direct interchange references including Stant 48732 and Motorad 601-212.

Fitment

• Fits 2002-2006 Audi A4, N/A
• Fits 2002-2005 Audi A4 Quattro, N/A