Four Seasons 86326 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for BMW Models

The Four Seasons Thermostat Housing 86326 is designed to maintain optimal engine temperature for BMW 528i, 740i, and 740Li vehicles. This integrated thermostat housing combines durable plastic construction with a built-in thermostat to ensure efficient coolant flow and temperature regulation.

Key Features of Four Seasons Thermostat Housing 86326

• Compatible with BMW 528i, 740i, and 740Li models
• Integrated thermostat housing style with thermostat included
• Constructed from durable plastic material for corrosion resistance
• Inlet diameter of 1.51 inches for precise coolant flow
• Overall height of 5.00 inches and mounting flange width of 0.39 inches
• Part number 86326 for accurate identification and fitment

Detailed Description of the Thermostat Housing

The Four Seasons Thermostat Housing product line focuses on providing reliable engine coolant components that meet OEM specifications. This particular thermostat housing features an integrated thermostat, eliminating the need for separate parts and simplifying installation. Made from high-quality plastic, it offers resistance to corrosion and heat, which is essential for maintaining engine cooling system integrity. The precise inlet diameter and mounting flange dimensions ensure a secure fit and proper coolant flow within the engine system.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housings in BMW 528i, 740i, and 740Li
• Prevents engine overheating by regulating coolant temperature effectively
• Resolves coolant leaks caused by cracked or damaged housings
• Restores proper coolant flow to maintain engine performance
• Helps avoid engine damage related to thermostat failure

Installation Notes and Tips

When installing the Four Seasons Thermostat Housing 86326, ensure the mating surfaces are clean and free of old gasket material, as this part does not include a gasket or seal. Proper torque specifications should be followed to avoid damage to the plastic housing. Verify compatibility with your BMW 528i, 740i, or 740Li before installation to ensure correct fitment.

Quality Assurance and Warranty

Four Seasons products are engineered to meet or exceed OEM standards for durability and performance. While specific warranty details for part number 86326 are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Refer to the manufacturer’s warranty information for complete terms.