Motorad 469-203 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 469-203

The Motorad Integrated Housing Thermostat 469-203 is designed for precise engine temperature regulation in select BMW models. This engine coolant thermostat housing assembly ensures reliable cooling system performance for BMW 318i, 318is, 318ti, and Z3 vehicles.

• Compatible with BMW 318i, 318is, 318ti, and Z3 models
• Thermostat opening temperature at 203°F for optimal engine temperature control
• Durable construction using plastic, stainless steel, and copper materials
• Includes a rubber gasket/seal for secure, leak-free installation
• Features 4 bolt holes and 2 outlet ports with 1.49-inch diameter each

Motorad Integrated Housing Thermostat Product Line Details

The Integrated Housing Thermostat line by Motorad combines the thermostat and housing into a single assembly, simplifying installation and improving cooling system reliability. This design reduces potential leak points and streamlines maintenance for BMW vehicles requiring precise temperature management.

Detailed Product Description

The Motorad 469-203 thermostat housing assembly integrates a thermostat calibrated to open at 203 degrees Fahrenheit, ensuring your BMW engine maintains optimal operating temperature. Constructed from a combination of plastic, stainless steel, and copper, this assembly balances durability with corrosion resistance. The included rubber gasket provides a tight seal to prevent coolant leaks. With four bolt holes and two outlet ports measuring 1.49 inches each, this housing assembly fits securely and connects efficiently to the cooling system. Note that mounting hardware, bolts, jiggle pin, and installation tools are not included.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housing assemblies in BMW 318i, 318is, 318ti, and Z3
• 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 thermostat sticking or improper opening temperature

Installation Notes and Tips

• Ensure engine is cool before beginning installation to avoid burns
• Use the included rubber gasket to achieve a proper seal and prevent leaks
• Torque bolts evenly across the four bolt holes to manufacturer specifications
• Inspect surrounding hoses and connections for wear during replacement
• Bleeder hole is not present; ensure proper coolant system bleeding after installation

Quality Assurance and Warranty

Motorad's Integrated Housing Thermostat assemblies are manufactured to meet OEM specifications for fit and function. The 469-203 part number undergoes quality control to ensure durability and reliable temperature regulation. This product includes a rubber gasket for sealing but does not come with mounting hardware or installation tools. Warranty details should be confirmed with the distributor or retailer.