Febi 17-12-7-542-540 Coolant Expansion Tank Hose

The Febi 17-12-7-542-540 is a premium replacement coolant hose designed to restore reliable cooling system performance in your vehicle. This expansion tank hose connects from the coolant expansion tank vent port to the cylinder head upper fitting, playing a critical role in maintaining proper coolant circulation and system pressure.

Key Features:

• Constructed from reinforced rubber for superior durability and heat resistance
• Engineered to withstand extreme coolant temperatures and pressures
• Direct OE-matching replacement for BMW part number 17127542540
• Precision-molded for proper fitment and alignment
• Resistant to coolant chemicals, oil, and automotive fluids
• Febi quality backed by rigorous testing and quality control

Over time, coolant hoses deteriorate from constant exposure to high temperatures and harsh chemicals. This can lead to splitting at hose clamps, swelling, cracking, or complete failure—potentially leaving you stranded with an overheated engine. Replace your worn or damaged coolant hose at the first sign of wear to prevent costly engine damage and ensure optimal cooling system performance. The Febi 17-12-7-542-540 offers OE-quality construction and reliable performance at an exceptional value.