Motorad 691-190 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 691-190

The Motorad Integrated Housing Thermostat 691-190 is designed specifically for BMW 335d and X5 models, providing reliable engine temperature regulation. This engine coolant thermostat housing assembly ensures optimal cooling system performance with precise temperature control at 190°F.

• Compatible with BMW 335d and X5 models
• Engine coolant thermostat housing assembly with integrated thermostat
• Operates at a 190°F opening temperature for accurate engine temperature management
• Constructed from durable plastic, stainless steel, and copper materials
• Includes one rubber gasket/seal for secure, leak-free installation
• Features 4 bolt holes for stable mounting
• Two outlet ports with diameters of 1.53 in and 1.57 in
• Black color housing for corrosion resistance and aesthetic integration

Detailed Product Description

The Motorad 691-190 thermostat housing assembly integrates a thermostat calibrated to open at 190 degrees Fahrenheit, ensuring your BMW 335d or X5 engine maintains optimal operating temperature. The housing is constructed from a combination of plastic, stainless steel, and copper, balancing durability and heat resistance. This assembly includes a single rubber gasket to provide a tight seal and prevent coolant leaks. With four bolt holes, the housing mounts securely to the engine, and the two outlet ports accommodate coolant flow with diameters of 1.53 and 1.57 inches respectively. The black finish offers corrosion resistance and complements the engine bay's appearance.

About the Integrated Housing Thermostat Product Line

The Motorad Integrated Housing Thermostat line combines the thermostat and housing into a single assembly, simplifying replacement and improving reliability. This design reduces potential leak points and streamlines installation for BMW vehicles. The 691-190 part number is a precise fit for BMW 335d and X5 models, ensuring compatibility and consistent engine temperature regulation.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housing assemblies on BMW 335d and X5
• Resolves engine overheating caused by thermostat failure
• Prevents coolant leaks due to worn or damaged seals
• Restores proper coolant flow and temperature regulation
• Addresses issues related to inconsistent engine temperature readings

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns. The Motorad 691-190 does not include mounting hardware or bolts, so retain original fasteners or acquire appropriate replacements. Clean the mounting surface thoroughly before installing the new gasket to ensure a proper seal. Torque bolts evenly to manufacturer specifications to prevent leaks or damage. Verify coolant levels and check for leaks after installation.

Quality Assurance and Warranty

Motorad manufactures the 691-190 thermostat housing assembly to meet OEM standards for fit and function. The use of quality materials such as stainless steel and copper enhances durability and corrosion resistance. This part includes a rubber gasket to ensure a reliable seal. Warranty information is provided by Motorad and should be confirmed at the time of purchase.