Genuine

Genuine 4F0121055F Radiator Coolant Hose - Lower or Lower - Main Radiator

Brand Genuine 4F0121055F
Position Lower
Fits Audi · 15 vehicles
$79.64Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $79.64
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Radiator Coolant Hose for Audi A6

This Genuine radiator coolant hose, part number 4F0121055F, is a direct-fit cooling system hose for select Audi A6 and Audi A6 Quattro applications. It is specified for lower hose positions, including lower and lower - main radiator fitments, for accurate replacement service.

Key Features

  • Genuine replacement radiator coolant hose
  • Part number 4F0121055F for easy identification
  • Fits lower and lower - main radiator hose locations
  • Compatible with select Audi A6 and Audi A6 Quattro models
  • Built for cooling system hose replacement service

Detailed Description

Use this Genuine 4F0121055F radiator coolant hose when replacing a worn, cracked, or leaking lower coolant line on the Audi A6 or Audi A6 Quattro. It is listed for 2006-2011 Audi A6, lower; 2005-2008 Audi A6 Quattro, lower; and 2009-2011 Audi A6 Quattro, lower - main radiator. If you are searching for an Audi A6 lower radiator hose or an Audi A6 Quattro lower main radiator hose, this part number 4F0121055F matches those applications directly.

What It Helps Address

  • Coolant seepage at the lower radiator hose connection
  • Cracked or aged hose material from heat cycling
  • Loss of coolant circulation through the radiator circuit
  • Overheating caused by a damaged coolant hose
  • Service replacement for a leaking Audi A6 or Audi A6 Quattro hose

Installation Notes and Tips

Verify the vehicle year, model, and hose position before ordering. This hose is listed for lower and lower - main radiator locations, so match the original routing and connection points on the vehicle. Inspect adjoining clamps, fittings, and radiator necks during service to confirm the cooling system seals properly after installation.

Quality Assurance

Genuine OE replacement part identification helps ensure the correct application for the listed Audi A6 and Audi A6 Quattro fitments. Part number 4F0121055F should be matched to the original hose location and vehicle configuration before installation.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011AudiA6Lower
2011AudiA6 Quattro3.0LV6Lower - Main Radiator
2010AudiA6Lower
2010AudiA6 Quattro3.0LV6Lower - Main Radiator
2009AudiA6Lower
2009AudiA6 Quattro3.0LV6Lower - Main Radiator
2008AudiA6Lower
2008AudiA6 QuattroLower
2007AudiA6Lower
2007AudiA6 QuattroLower
2007AudiA6 Quattro3.2LV6Lower
2006AudiA6Lower
2006AudiA6 QuattroLower
2006AudiA6 Quattro3.2LV6Lower
2005AudiA6 QuattroLower