Genuine 4G0122101 Radiator Coolant Hose - Upper - Main Radiator

Radiator Coolant Hose for Audi Cooling Service

This Genuine radiator coolant hose, part number 4G0122101, is an upper main radiator hose for select Audi applications. It is a direct-fit cooling system hose for 2012-2014 Audi A6 Quattro and 2012-2014 Audi A7 Quattro models.

Key Features

• Genuine radiator coolant hose for the upper main radiator position
• Fits 2012-2014 Audi A6 Quattro, upper - main radiator
• Fits 2012-2014 Audi A7 Quattro, upper - main radiator
• OE-style replacement identified by part number 4G0122101
• Built for coolant routing in the engine cooling circuit

Detailed Description

Part number 4G0122101 is a radiator coolant hose used in the upper main radiator location on compatible Audi cooling systems. If you are replacing a leaking, cracked, or heat-aged hose on a 2012-2014 Audi A6 Quattro or 2012-2014 Audi A7 Quattro, this Genuine hose provides the correct fitment reference for the application. The 4G0122101 hose is specified for the upper radiator connection, where reliable coolant transfer is critical to stable engine temperature control.

Common Issues This Part Can Address

• Coolant seepage at the upper radiator hose connection
• Cracking or hardening from heat and age
• Loss of coolant from a damaged hose assembly
• Temperature fluctuations caused by restricted coolant flow
• Service replacement for a worn upper main radiator hose

Installation Notes and Tips

Verify the vehicle’s engine cooling layout and match the upper main radiator position before installation. Inspect adjoining hose necks, clamps, and sealing surfaces for wear or corrosion, and replace any damaged mating components as needed. After installation, refill and bleed the cooling system according to Audi service procedures to remove trapped air.

Quality Assurance

Genuine parts are produced to meet OE application requirements for the listed Audi fitments. This part cross-references no additional part numbers in the provided data.