Rein CHP0774 Engine Coolant Pipe - Water Pump To Heater Hose

OE-Style Coolant Pipe for Audi Cooling Systems

The Rein CHP0774 engine coolant pipe is an OE-quality replacement for European cooling systems that need a direct-fit water pump to heater hose connection. Built for Audi applications with a plastic connector, it matches the original layout for a clean repair on Audi A4, A5, A6, Q5, and allroad models.

Rein Automotive designs this coolant pipe as an OEM-style replacement, using the same basic form and fit expected from the original part. The CHP0774 is a black plastic coolant pipe with a gasket or seal included for service-ready installation.

Key Features

• OE-quality engine coolant pipe for European vehicle cooling systems
• Black plastic construction
• Gasket or seal included
• Direct replacement for the water pump to heater hose connection
• Rein CHP0774 part number for easy identification
• Cross-reference: 06H121065D

Detailed Product Information

Use the Rein CHP0774 when replacing a worn or damaged coolant pipe on Audi models with the water pump to heater hose routing and plastic connector design. This part is built to match the original manufacturer’s configuration, helping restore proper coolant flow in the engine cooling circuit. It is a practical replacement for Audi A4, A5, A6, Q5, and allroad vehicles that require this specific coolant pipe layout.

Compatible With: Fits 2010-2017 Audi A5 Quattro, Water Pump To Heater Hose; Fits 2011-2017 Audi Q5, Water Pump To Heater Hose; Fits 2009-2016 Audi A4, Water Pump To Heater Hose; Fits 2013-2016 Audi A4 allroad, Water Pump To Heater Hose; Fits 2009-2016 Audi A4 Quattro, Water Pump To Heater Hose; Fits 2010-2016 Audi A5, Water Pump To Heater Hose; Fits 2013-2016 Audi allroad, Water Pump To Heater Hose; Fits 2012-2015 Audi A6, Water Pump To Heater Hose; Fits 2013-2015 Audi A6 Quattro, Water Pump To Heater Hose.

Common Repair Uses

• Cracked or brittle coolant pipe replacement
• Coolant seepage at the water pump to heater hose connection
• Broken plastic connector repair
• Restoring proper coolant routing in the engine bay
• Service replacement for aging Audi cooling components

Installation Notes and Tips

Confirm the vehicle uses the water pump to heater hose configuration with a plastic connector before ordering. Inspect mating hoses, seals, and adjacent cooling components for wear during service. The included gasket or seal supports a complete replacement at the connection point. Verify fitment by part number CHP0774 and OE reference 06H121065D before installation.

Quality Assurance

Rein Automotive positions this coolant pipe as an OE-quality replacement for European vehicles, with dimensions and design aligned to the original part. The CHP0774 is built for direct replacement use in the specified Audi applications.