Calorstat TE6499.97J Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing for BMW Cooling Repair

Calorstat TE6499.97J is an engine coolant thermostat housing assembly built with a plastic housing, black finish, and an electrical actuator. It includes a gasket and seal, and it opens at 206.0 degrees to support proper coolant flow control in BMW cooling systems.

Key Features

• Engine coolant thermostat housing assembly for temperature regulation
• Plastic housing construction with black finish
• Electrical actuator type for controlled thermostat operation
• Start to open temperature: 206.0
• Gasket included with gasket-type seal
• 4 mounting holes for secure installation
• By-pass valve diameter: 43.0
• Height between flanges: 1.57 in
• Height, by-pass side: 38.0

Detailed Description

Calorstat TE6499.97J is a thermostat housing assembly for BMW cooling system service, including applications such as BMW 325Ci, BMW 330Ci, BMW X3, BMW X5, BMW 325i, BMW 530i, and BMW Z4. This part number TE6499.97J is built to match OE-style fitment requirements and is listed across multiple interchange references, including Gates 33934 and Genuine 11537509227. Vernet is an OE supplier to BMW, which supports the application coverage for these vehicles.

This thermostat housing assembly is used to regulate coolant temperature and maintain stable engine operating conditions in BMW 3 Series, 5 Series, X3, X5, Z3, and Z4 applications. The plastic housing, integrated gasket, and electrical actuator make it a direct replacement option for cooling system repair where the original housing has cracked, leaked, or stopped controlling temperature correctly.

What This Part Is Used For

• Coolant leaks at the thermostat housing
• Overheating caused by thermostat housing failure
• Temperature control issues in the cooling system
• Cracked or warped plastic housing replacement
• BMW cooling service on OE-style applications

Installation Notes and Tips

Verify engine code and connector style before installation, since BMW cooling components can vary by model year and configuration. Inspect the mating surfaces, replace the gasket seal during service, and confirm proper coolant bleed procedure after installation. This part number TE6499.97J should be matched to the vehicle’s original thermostat housing design and opening temperature specification.

Quality Assurance

Calorstat TE6499.97J is supported by OE-supplier context through Vernet’s BMW coverage and is cross-referenced to common aftermarket and OE numbers for the same application, including Gates 33934 and Genuine 11537509227.