Skip to main content
Genuine OEM & performance parts — ships to United States

Target · Diagram

Find this reference above

Number 18 marks the part’s position in this exploded view (Audi A6 2.0 (2018-)).

Other diagrams in the gallery may use a different number for the same part.

Product overview

Genuine OEM Audi Engine Coolant Hose, part number 4K2122109K. This hose is designed to carry coolant within the engine cooling system, playing a vital role in regulating engine temperature. It is positioned near the radiator, connecting various components. Weighing 0.162 kg and measuring 0.36 m in length, this hose is engineered for precise fitment. Choosing a genuine OEM coolant hose ensures the correct routing geometry, material composition, and resistance to engine fluids and temperatures, preventing leaks and premature failure.

Catalogue entry: HOSE.

Technical details

Category
Engine Cooling
Customs (HS) code
40093100
Manufacturer
Audi
Product Type
Genuine new auto parts
Shipping size (L × W × H)
36 × 9 × 8 cm
Shipping weight
0.16 kg

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Replaces older part numbers

This is the current manufacturer number. Older numbers on this road are no longer supplied.

Supersession roadoldest to newest
  1. 4K2122109HNot stocked
    Feb 2019
  2. 4K2122109KThis pageCurrent number