Febi 28521 Radiator Coolant Hose

Febi 28521 Radiator Coolant Hose

Febi 28521 is a radiator coolant hose that routes coolant from the thermostat to the radiator. Built in rubber for direct cooling-system service, it is a fitment-specific replacement for select BMW models from 1999 through 2006.

• Coolant hose / pipe direction: from thermostat to radiator
• Rubber construction for cooling-system use
• OE-style replacement for BMW cooling system service
• Cross-reference: BMW 11 53 1 436 408
• Part number: 28521

Fitment Details

• Fits 2001-2006 BMW 325Ci, N/A; Material: Rubber
• Fits 2001-2006 BMW 330Ci, N/A; Material: Rubber
• Fits 2001-2005 BMW 320i, N/A; Material: Rubber
• Fits 2001-2005 BMW 325i, N/A; Material: Rubber
• Fits 2001-2005 BMW 325xi, N/A; Material: Rubber
• Fits 2001-2005 BMW 330i, N/A; Material: Rubber
• Fits 2001-2005 BMW 330xi, N/A; Material: Rubber
• Fits 2000 BMW 323Ci, N/A; Material: Rubber
• Fits 1999-2000 BMW 323i, N/A; Material: Rubber
• Fits 1999-2000 BMW 328i, N/A; Material: Rubber

What This Hose Helps Address

• Coolant leaks at a cracked or aged hose
• Overheating caused by restricted coolant flow
• Softening, swelling, or splitting in the original BMW hose
• Loss of coolant between the thermostat housing and radiator
• Cooling-system service on BMW 323i, 328i, 325i, and 330i models

Installation Notes and Tips

Verify the hose routing before installation and confirm the thermostat-to-radiator path matches the original layout. Inspect adjoining clamps, thermostat connections, and radiator necks for wear or residue before reassembly. This part is listed for BMW 325Ci, 330Ci, 320i, 325i, 325xi, 330i, 330xi, 323Ci, 323i, and 328i applications.

Quality Assurance

Febi is an established aftermarket brand for European vehicle service parts. Part number 28521 is specified as a rubber radiator coolant hose for the listed BMW applications, supporting accurate replacement selection for cooling-system maintenance.