Calorstat TE7155.100J Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Calorstat TE7155.100J is an engine coolant thermostat housing assembly built with an aluminum housing and silver finish for a direct-fit cooling system repair. It includes a gasket and seal, uses an electrical actuator, and opens at 212°F (100°C) to support proper coolant flow in the specified Mercedes-Benz and Dodge Sprinter applications.

Key Features

• Aluminum thermostat housing with silver finish
• Electrical actuator for controlled coolant regulation
• Start-to-open temperature: 212°F / 100°C
• Gasket and seal included for installation
• 2 mounting holes for OE-style fitment
• Gasket type: gasket
• Jiggle pin check valve quantity: 1
• Height between flanges: 1.57 in

Detailed Description

This Calorstat thermostat housing assembly is engineered for vehicles that use an electrically actuated coolant thermostat housing. The aluminum construction helps provide a durable replacement for worn, cracked, or leaking original housings, while the 212°F opening temperature matches the listed OE-style operating specification. Calorstat TE7155.100J is a practical choice for Mercedes-Benz G550, GL450, GL550, SL550, E550, ML550, S450, S550, CL550, and R550 applications, as well as Dodge Sprinter 2500 and Sprinter 3500 models listed in the fitment data. This part cross-references Gates 34718 and Motorad 669-212 for the same application.

What It Helps Fix

• Coolant leaks from a damaged thermostat housing
• Temperature control issues caused by a sticking thermostat assembly
• Check engine concerns related to coolant temperature regulation
• Overheating from restricted coolant flow at the housing
• Cracked or corroded OE plastic housing replacement needs

Installation Notes and Tips

Verify the electrical connector, mounting pattern, and hose routing before installation. Clean the sealing surface thoroughly and replace any contaminated coolant during service. Confirm the vehicle uses the listed 212°F / 100°C opening specification and match the application by year, make, and model before ordering. Fits 2009-2015 Mercedes-Benz G550, N/A; Fits 2007-2012 Mercedes-Benz GL450, N/A; Fits 2008-2012 Mercedes-Benz GL550, N/A; Fits 2007-2012 Mercedes-Benz SL550, N/A; Fits 2010-2011 Mercedes-Benz E550, N/A; Fits 2008-2011 Mercedes-Benz ML550, N/A; Fits 2008-2011 Mercedes-Benz S450, N/A; Fits 2007-2011 Mercedes-Benz S550, N/A; Fits 2007-2010 Mercedes-Benz CL550, N/A; Fits 2007-2008 Dodge Sprinter 2500, N/A; Fits 2007-2008 Dodge Sprinter 3500, N/A; Fits 2008 Mercedes-Benz R550, N/A.

Quality Assurance

Calorstat cooling system components are built to meet the fitment and operating requirements listed for the application. TE7155.100J is specified with an aluminum housing, included gasket and seal, and the correct opening temperature for the covered Mercedes-Benz and Dodge Sprinter models.