Motorad 822-226 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 822-226

The Motorad Integrated Housing Thermostat 822-226 is designed for precise engine temperature regulation in select BMW models. This engine coolant thermostat housing assembly ensures reliable coolant flow management with a built-in jiggle pin and multiple outlet ports.

• Compatible with BMW models including 220i, 320i, 328i, 428i, X1, X3, X4, X5, and Z4
• Integrated Housing Thermostat product line for streamlined installation and performance
• Opening temperature set at 226°F for optimal engine temperature control
• Constructed from durable plastic, stainless steel, and copper materials
• Includes a bleeder hole and jiggle pin for efficient air removal
• Features three outlet ports with diameters of 1.54 in, 1.02 in, and 1.52 in
• Two bolt holes for secure mounting (bolts not included)

Product Line Details: Integrated Housing Thermostat

The Motorad Integrated Housing Thermostat line combines the thermostat and housing into a single assembly, simplifying replacement and reducing potential leak points. This design integrates a jiggle pin and bleeder hole to facilitate air bleeding during coolant system maintenance. The 822-226 part number represents a precise fit for various BMW engines, ensuring consistent temperature regulation and coolant flow.

Technical Description and Features

This engine coolant thermostat housing assembly is engineered with a 226°F opening temperature, activating coolant flow at the correct engine temperature to prevent overheating or overcooling. The housing is made from a combination of plastic, stainless steel, and copper, balancing durability and corrosion resistance. The inclusion of a jiggle pin and bleeder hole allows trapped air to escape, improving coolant circulation and system efficiency. The assembly features three outlet ports with specific diameters to match OEM specifications, and two bolt holes for secure attachment (mounting hardware not included).

Common Applications and Problem Resolution

• Replacement for faulty or leaking thermostat housings in BMW 220i, 320i, 328i, 428i, X1, X3, X4, X5, and Z4 models
• Solves engine overheating caused by thermostat failure or stuck closed valve
• Addresses coolant leaks due to cracked or damaged housing
• Improves coolant system air bleeding with built-in jiggle pin and bleeder hole
• Restores proper coolant flow and engine temperature regulation

Installation Notes and Tips

Installation requires removal of the old thermostat housing assembly and careful alignment of the two bolt holes. Note that bolts, gasket, and mounting hardware are not included and must be sourced separately. Ensure the jiggle pin and bleeder hole are unobstructed to allow proper air release during coolant system refilling. Follow manufacturer torque specifications for bolt tightening to avoid damage.

Quality Assurance and Warranty

Motorad parts are manufactured to meet or exceed OEM standards for fit and function. The 822-226 thermostat housing assembly undergoes quality control inspections to ensure durability and performance. Please refer to Motorad’s warranty policy for specific coverage details.