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Expansion Tank Hose
GENUINE VW/AUDI Water Hose - 8R0-121-081
GENUINE VW/AUDI Expansion Tank Hose - 8R0-121-109
GENUINE VW/AUDI Expansion Tank Hose - 8R0-121-081 AN
GENUINE VW/AUDI Water Hose - 8R0-121-081 P
GENUINE VW/AUDI Water Hose - 8R0-121-081
GENUINE VW/AUDI Water Hose - 8R0-121-081 P
Expansion Tank Hose
GENUINE VW/AUDI Water Hose - 8R0-121-081
GENUINE VW/AUDI Expansion Tank Hose - 8R0-121-109
GENUINE VW/AUDI Expansion Tank Hose - 8R0-121-081 AN
GENUINE VW/AUDI Water Hose - 8R0-121-081 P
GENUINE VW/AUDI Water Hose - 8R0-121-081
GENUINE VW/AUDI Water Hose - 8R0-121-081 P

Genuine VW/Audi Expansion Tank Hose – OEM Coolant Hose for Select Models

GENUINE VW/AUDI
Availability:
in stock, ready to be shipped
SKU 8R0-121-081 AN
$93.00 - $93.00
$93.00
$93.00 - $93.00
$93.00
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

This Genuine VW/Audi expansion tank hose (also known as a water hose) is an OEM replacement for the coolant expansion system. It helps maintain proper coolant level and pressure, supporting efficient engine cooling. Made to OEM standards for reliable operation on select VW and Audi models.

Key Features & Benefits

  • OEM Exact Fit: Direct replacement matching original specifications.
  • Durable Material: Constructed to resist coolant chemicals and heat.
  • Pressure Integrity: Helps maintain consistent coolant system pressure.
  • Simple Installation: No special tools required for removal and replacement.

Installation Notes

Check hose routing and secure all clamps for a leak-free installation; professional installation recommended.

About Genuine VW/Audi

Genuine VW/Audi parts are manufactured to original equipment standards, ensuring exact fit, quality, and durability for VW and Audi vehicles.

This part also goes by the following cross reference.

Cross Reference Part Number: 8R0121081

Fits These Vehicles 1 application
Audi
Make Model Engine Years
Audi Q5 2.0L L4 2011–2012

Fitment data last updated: 2026-07-18

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.