URO 11531743679 Radiator Coolant Hose Flange

OE Radiator Coolant Hose Flange for BMW Cooling Repair

This URO radiator coolant hose flange is an OE-style replacement for select BMW cooling system applications. It is built to match factory hose connector dimensions and shape for a secure connection on the cylinder head to upper radiator hose path.

• OE replacement flange for BMW cooling system service
• Made from PA66 plastic in black finish
• 3-port design with 2 bolt holes
• Length: 4.66 in.
• Heat- and ozone-resistant construction for normal hose vibration and movement
• Temperature range: -40°F to 275°F (-40°C to 135°C)
• Guaranteed fitment for listed applications

Detailed Product Overview

Part number 11531743679 is a radiator coolant hose flange designed for BMW 318ti, 318i, 318is, and Z3 models with the cylinder head to upper radiator hose connection. The OE-style PA66 construction helps maintain the original connector shape and dimensions, supporting a proper seal at the cooling system junction. This part cross-references VAICO V20-0742 for the same application.

Common Cooling System Issues Addressed

• Coolant leaks at the cylinder head to upper radiator hose connection
• Cracked or warped plastic hose flange housing
• Loose hose fitment caused by worn connector surfaces
• Cooling system service needs on BMW 318ti, 318i, 318is, and Z3 models
• Heat-related deterioration of the original flange material

Installation Notes and Tips

Verify the hose routing and connector style before installation. Clean the mating surfaces thoroughly and inspect the hose, clamps, and adjacent cooling components for wear before reassembly. This flange is an OE-type replacement for the listed BMW applications and does not include a thermostat.

Quality Assurance

URO backs this part number 11531743679 with a 24-month unlimited mileage warranty. The flange is manufactured to OE hose connector dimensions and shape to support a leak-resistant installation in the specified BMW cooling system applications.