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Number 24 marks the part’s position in this exploded view (Audi A6/S6/Avant/qu. 05> (2004-)).

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

Supersession roadoldest to newest

4F0121055M
Not stocked Jul 2005
4F0121109S
Discontinued Jul 2026
You are here

4F0121055MNot stocked
Jul 2005
4F0121109SThis pageDiscontinued
Jul 2026

Genuine Original OEM · Brand New

Engine Cooling

4F0121109S Audi Coolant Hose

Selected configuration: GENUINE AUDI

Supersession roadoldest to newest

4F0121055M
Not stocked Jul 2005
4F0121109S
Discontinued Jul 2026
You are here

4F0121055MNot stocked
Jul 2005
4F0121109SThis pageDiscontinued
Jul 2026

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Share your VIN or chassis code and our fitment team will validate compatibility before you place the order.

Key specifications

SKU: 4F0121109S
Manufacturer Part Number: 4F0121109S

Product overview

Genuine OEM Audi Coolant Hose, part number 4F0121109S. This hose is a critical component in the engine cooling system, ensuring proper circulation of coolant. It is located in the engine cooling system assembly. Made from durable rubber, this hose is designed for exact fitment and reliable performance. Genuine OEM parts ensure the correct material composition and dimensional accuracy for optimal heat dissipation and system longevity.