Rein CHR0874 Radiator Coolant Hose - Upper - Main Radiator

OE-Style Upper Radiator Hose for Audi

The Rein CHR0874 radiator coolant hose is a standard replacement for European cooling systems that need an OE-style fit and routing. It is built for the upper main radiator position on select Audi A6 Quattro and Audi A7 Quattro models, with the same black finish and matching 35.15 mm inside diameters at both ends.

• Direct replacement radiator coolant hose for the upper main radiator location
• Black hose construction for a factory-style appearance
• 35.15 mm inside diameter at End 1 and End 2
• Standard replacement grade for routine cooling system service
• Rein CHR0874 fitment for select Audi A6 Quattro and Audi A7 Quattro applications

Fitment and Application Details

Rein Automotive designs this hose to match the original hose shape, branch sizing, and quick-connect style used on European vehicles. The CHR0874 is listed for 2012-2015 Audi A6 Quattro, upper - main radiator, and 2012-2015 Audi A7 Quattro, upper - main radiator. This part cross-references Genuine 4G0122101 for the same application.

Common Cooling System Issues

• Cracked or hardened upper radiator hose material
• Coolant seepage at hose connections
• Restricted coolant flow from a deteriorated hose
• Incorrect fitment after prior cooling system repair
• Loss of factory-style routing on Audi A6 Quattro and Audi A7 Quattro models

Installation Notes

Verify the upper main radiator hose routing and end diameters before installation. Inspect mating surfaces, clamps, and adjacent cooling components for wear or residue before connecting the new hose. Confirm fitment by model year and position: 2012-2015 Audi A6 Quattro, upper - main radiator, and 2012-2015 Audi A7 Quattro, upper - main radiator.

Quality Assurance

Rein Automotive positions this hose as an OE-quality replacement for European vehicles, with dimensions and connector details matched to the original hose assembly design.