Facet 7.8827K Engine Coolant Thermostat

Engine Coolant Thermostat for BMW Diesel Applications

Facet 7.8827K is an engine coolant thermostat for select BMW diesel models that require precise coolant temperature control. It is a direct-fit replacement for applications such as the BMW 328d, X5, X3, 535d, 535d xDrive, and 740Ld xDrive.

Key Features

• Engine coolant thermostat for temperature regulation in the cooling system
• Fits 2014-2018 BMW 328d and 328d xDrive, N/A
• Fits 2014-2018 BMW X5, N/A
• Fits 2015-2017 BMW X3, N/A
• Fits 2014-2016 BMW 535d and 535d xDrive, N/A
• Fits 2015 BMW 740Ld xDrive, N/A
• Cross-references BMW 11517805192 and 11518512234 for the same application

Detailed Description

The Facet 7.8827K thermostat is built for BMW diesel cooling systems that depend on stable operating temperature for proper engine performance. This part number is used across multiple BMW diesel platforms, including the BMW 328d, X5, and X3, and it also cross-references Toyota SU00400002 for the same application. For installation, note the gasket reference listed for these applications: gasket PN 7.9702.

What It Is Used For

• Restoring proper coolant temperature regulation
• Addressing overheating caused by a thermostat that sticks closed
• Addressing slow warm-up or low operating temperature from a thermostat that sticks open
• Correcting temperature fluctuation in the cooling system
• Supporting consistent engine operation in BMW diesel applications

Installation Notes and Tips

Verify the vehicle application before installation and confirm the gasket reference 7.9702 for the listed BMW fitments. Match the thermostat to the exact model and year, including BMW 328d, BMW X5, BMW X3, BMW 535d, BMW 535d xDrive, and BMW 740Ld xDrive applications. Proper cooling system service practices should be followed during replacement.

Quality Assurance

Facet supplies replacement engine management and cooling components for OE-style service applications. Part number 7.8827K is cataloged for the listed BMW diesel fitments and cross-reference applications.