Gates 51505 Radiator Coolant Hose - Upper

Gates 51505 Molded Coolant Hose for Audi Q5 and SQ5

The Gates 51505 molded coolant hose is built for upper radiator coolant routing on select Audi applications. It uses EPDM, plastic, and steel construction and follows OE-style modular hose design with integrated quick-connect fittings for a direct-fit replacement.

Key Features

• Fits 2009-2017 Audi Q5, upper
• Fits 2014-2017 Audi SQ5, upper
• OE-style molded coolant hose design
• Modular hose construction with 2 female quick connectors
• Made from EPDM, plastic, and steel
• Centerline length: 16.5 in. (419 mm)
• End inside diameter: 1.5 in. (38 mm) at both ends
• Gates part number 51505

Detailed Description

Gates Molded Coolant Hose 51505 is engineered for specific vehicle applications and reflects the modular hose approach used in original equipment cooling systems. This upper radiator coolant hose is shaped to match the routing requirements of select Audi Q5 and Audi SQ5 models, helping maintain proper coolant flow and secure connection points. The Gates 51505 also cross-references Four Seasons 73121 for the same application.

The molded design, dual female quick connectors, and OE-style component layout make this hose a practical replacement when servicing the cooling system on a 2009-2017 Audi Q5 or a 2014-2017 Audi SQ5. If you are searching for an upper radiator coolant hose for Audi Q5 2009-2017 or Audi SQ5 2014-2017, this part number is a direct reference to the correct modular hose configuration.

What It Helps Address

• Coolant leaks from a cracked or aged upper hose
• Loose or damaged quick-connect hose connections
• Improper hose routing after cooling system service
• Restricted coolant flow caused by hose deterioration
• Fitment issues when replacing an OE-style molded hose

Installation Notes and Tips

Verify the vehicle year, model, and upper hose routing before installation. Confirm that the quick-connect ends match the existing cooling system connections and inspect adjoining fittings for wear, corrosion, or residue before assembly. Because this is a molded modular hose, correct orientation is important for proper fitment on the Audi Q5 and Audi SQ5 cooling system.

Quality Assurance

Gates is a recognized aftermarket supplier of modular coolant hose assemblies and produces this hose to align with OE-style specifications for the listed applications. Part number 51505 is built for application-specific fitment and cooling-system service on select Audi vehicles.