Rein CHK0940 Engine Coolant Hose Connector

OE Coolant Hose Connector for BMW

The Rein CHK0940 engine coolant hose connector is a direct replacement for the original connector used on select BMW cooling system applications with a sensor. Built to OE-quality standards, it is manufactured from high-quality materials and processes for dependable fit and long service life. This connector is a practical choice for BMW 340i, 440i, 540i, 740i, X3, and related models that require the correct coolant hose connection.

Key Features

• Direct replacement engine coolant hose connector
• OE-quality construction from Rein Automotive
• Designed for BMW cooling system applications with sensor
• Built for durability and extended service life
• Part number CHK0940 for easy identification

Compatible BMW Fitment

• Fits 2017-2021 BMW M240i, w/Sensor
• Fits 2017-2021 BMW M240i xDrive, w/Sensor
• Fits 2017-2020 BMW 440i, w/Sensor
• Fits 2017-2020 BMW 440i Gran Coupe, w/Sensor
• Fits 2017-2020 BMW 440i xDrive, w/Sensor
• Fits 2017-2020 BMW 440i xDrive Gran Coupe, w/Sensor
• Fits 2017-2019 BMW 340i GT xDrive, w/Sensor
• Fits 2017-2019 BMW 540i, w/Sensor
• Fits 2017-2019 BMW 540i xDrive, w/Sensor
• Fits 2018-2019 BMW 640i xDrive Gran Turismo, w/Sensor
• Fits 2016-2019 BMW 740i, w/Sensor
• Fits 2017-2019 BMW 740i xDrive, w/Sensor
• Fits 2018-2019 BMW X3, w/Sensor
• Fits 2019 BMW X4, w/Sensor
• Fits 2016-2018 BMW 340i, w/Sensor
• Fits 2016-2018 BMW 340i xDrive, w/Sensor

Detailed Description

Rein CHK0940 is an OE-style engine coolant hose connector made for select BMW models that use a sensor-equipped cooling system connection. It is engineered as a direct replacement for the original connector, helping restore proper hose connection integrity in the cooling circuit. This part cross-references BMW 11118619408 for the same application.

What It Helps Address

• Cracked or worn coolant hose connector
• Coolant leaks at the hose connection point
• Damaged sensor-equipped connector housing
• Poor sealing from an aging original connector
• Cooling system service on BMW 340i, 440i, 540i, 740i, X3, and X4 models

Installation Notes and Tips

Verify the vehicle’s sensor-equipped connector style before ordering. Compare the original part number and connector shape to CHK0940, and inspect the hose ends, seals, and nearby cooling components during service. Proper cooling system bleeding and refill procedures should be followed after installation.

Quality Assurance

Rein Automotive manufactures OE-quality replacement connectors using high-quality materials and controlled processes to support durability and long service life.