Rein CHH0873 HVAC Heater Hose - Heater Outlet To Pipe

Brand Rein CHH0873
Position Heater Outlet To Pipe
Material Epdm
Color Black
Fits Audi · 14 vehicles

OE-quality replacement. Matches original hose shape and connector style for direct service.

EPDM construction. Built for heat and coolant exposure in HVAC hose applications.

Factory-style fit. Thermoplastic quick-connect fittings follow the original design.

Cross-references 8K1819371AB for the same application. See all 1.

$146.49Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $146.49
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Heater Hose Replacement

The Rein CHH0873 heater hose is an OE-quality replacement for European vehicle cooling and HVAC systems. It is built to match the original hose assembly shape and connection style for a direct replacement on supported Audi applications.

Key Features

  • Direct replacement heater hose for OE-style service
  • EPDM construction for heat and coolant exposure resistance
  • Thermoplastic quick-connect fittings match the original design
  • Black finish for a factory-style appearance
  • Fits Audi A4, Audi A4 Quattro, Audi A5, and Audi A5 Quattro applications

Detailed Description

Rein Automotive CHH0873 is an HVAC heater hose made to follow the original manufacturer’s dimensions and routing. The hose uses EPDM material and OE-matched branch geometry, along with thermoplastic quick connect fittings, to replace the factory hose assembly without changing the intended layout. This part cross-references Audi/VW OE number 8K1819371AB for the same application. Fits 2009-2012 Audi A4, Heater Outlet To Pipe. Fits 2009-2012 Audi A4 Quattro, Heater Outlet To Pipe. Fits 2010-2012 Audi A5, Heater Outlet To Pipe. Fits 2010-2012 Audi A5 Quattro, Heater Outlet To Pipe.

Common Uses

  • Cracked or aged heater hose replacement
  • Restoring coolant flow through the heater circuit
  • Replacing leaking quick-connect hose assemblies
  • Repairing brittle EPDM hose sections

Installation Notes

Verify the hose routing and connector style against the original part before installation. Confirm the vehicle application and heater outlet-to-pipe configuration for the correct fit on Audi A4, Audi A4 Quattro, Audi A5, and Audi A5 Quattro models. Professional installation is recommended for cooling system service.

Quality Assurance

Rein positions this hose as an OE-quality replacement built to match original fit and function for European vehicles.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2012AudiA42.0LL4Heater Outlet To Pipe
2012AudiA4 Quattro2.0LL4Heater Outlet To Pipe
2012AudiA52.0LL4Heater Outlet To Pipe
2012AudiA5 Quattro2.0LL4Heater Outlet To Pipe
2011AudiA42.0LL4Heater Outlet To Pipe
2011AudiA4 Quattro2.0LL4Heater Outlet To Pipe
2011AudiA52.0LL4Heater Outlet To Pipe
2011AudiA5 Quattro2.0LL4Heater Outlet To Pipe
2010AudiA42.0LL4Heater Outlet To Pipe
2010AudiA4 Quattro2.0LL4Heater Outlet To Pipe
2010AudiA52.0LL4Heater Outlet To Pipe
2010AudiA5 Quattro2.0LL4Heater Outlet To Pipe
2009AudiA4Sedan2.0LL4Heater Outlet To Pipe
2009AudiA4 QuattroSedan2.0LL4Heater Outlet To Pipe
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
8K1819371AB