Gates 23686 Radiator Coolant Hose - Lower

Gates 23686 Molded Coolant Hose

Gates 23686 is a molded radiator coolant hose built to OEM-quality specifications for lower cooling-system routing. It is formed from EPDM for coolant service and shaped to match the factory hose path on select Audi applications, including Audi A4, Audi A4 Quattro, Audi A4 allroad, Audi A5, Audi A5 Quattro, and Audi allroad.

Key Features

• EPDM construction for coolant hose service
• Molded shape for factory-style routing
• Lower radiator coolant hose application
• End inside diameters: 31 mm and 32 mm
• Centerline length: 478 mm
• No spring and no quick connect fittings
• Direct replacement part number: 23686

Product Line Details

Gates Molded Coolant Hose products are built for upper, lower, bypass, heater, and other coolant-system applications. This line is positioned as a broad replacement option for vehicles that need a formed hose with OE-style dimensions and routing, helping reduce the time spent sourcing a dealer-only radiator hose replacement.

Fitment

• Fits 2013-2016 Audi A4 allroad, Lower; W/O Quick Connect Fitting; Molded Coolant Hose
• Fits 2010-2016 Audi A5, Lower; W/O Quick Connect Fitting; Molded Coolant Hose
• Fits 2010-2016 Audi A5 Quattro, Lower; W/O Quick Connect Fitting; Molded Coolant Hose
• Fits 2013-2016 Audi allroad, Lower; W/O Quick Connect Fitting; Molded Coolant Hose
• Fits 2009-2015 Audi A4, Lower; W/O Quick Connect Fitting; Molded Coolant Hose
• Fits 2009-2015 Audi A4 Quattro, Lower; W/O Quick Connect Fitting; Molded Coolant Hose

What It Helps Address

• Cracked or hardened lower radiator hose material
• Coolant leaks from a worn molded hose
• Incorrect hose routing after replacement
• Fitment issues on lower coolant hose service for Audi A4 and Audi A5 models
• Replacement needs where the original hose uses a molded profile without a quick connect fitting

Installation Notes

Verify the hose routing, end diameters, and lower-position fitment before installation. This hose is specified without a quick connect fitting, so confirm the vehicle uses the same connection style. Inspect adjoining clamps, necks, and coolant passages for wear or damage before refilling the system.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for the listed applications. Part number 23686 is engineered as a direct replacement for the confirmed Audi fitments shown above.