Genuine 17127519248 Radiator Coolant Hose - Upper

OE Upper Radiator Coolant Hose for BMW

This Genuine radiator coolant hose is an upper cooling-system hose for select BMW applications. It is listed for the 2004-2005 BMW 545i and 2004-2005 BMW 645Ci, making it a direct-fit option for owners searching for a BMW upper radiator coolant hose 17127519248.

Key Features

• Genuine replacement part number 17127519248
• Upper radiator coolant hose for the cooling circuit
• Fits 2004-2005 BMW 545i, upper
• Fits 2004-2005 BMW 645Ci, upper
• OE-style fitment for BMW cooling-system service

Product Details

Part number 17127519248 is a Genuine radiator coolant hose used in the upper position of the cooling system. It is specified for the BMW 545i and BMW 645Ci from 2004-2005, so it is a strong match for buyers replacing a worn or leaking upper hose on these vehicles. If you are looking for a BMW 545i upper radiator hose or a BMW 645Ci coolant hose, this part number should be verified against your existing hose and vehicle application before installation.

Common Problems This Part Can Address

• Coolant seepage at the upper hose connection
• Cracking or hardening of the original hose material
• Loss of cooling-system pressure
• Overheating caused by hose leakage
• Visible swelling, splitting, or deterioration in the upper hose

Installation Notes and Tips

Confirm the part number 17127519248 and match the hose routing to your original component before removal. Drain the cooling system as needed, inspect the mating necks and clamps for wear, and refill the system with the correct coolant specification after installation. Bleed air from the cooling system according to BMW service procedures to help prevent trapped-air issues.

Quality Assurance

Genuine parts are built to OE specifications for the listed BMW applications, supporting accurate fitment for the 2004-2005 BMW 545i and 2004-2005 BMW 645Ci. Verify compatibility by VIN when possible.