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Number 35 marks the part’s position in this exploded view (Audi A8L qu. 3.0 TDI (2013-2018)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Coolant Hose, part number 4H0121055AB. This hose is designed to circulate coolant between components of the engine cooling system, maintaining optimal operating temperatures. It features a quick-release coupling for secure and efficient connection, typically connecting to the radiator. Weighing 0.447 kg and measuring approximately 0.51 meters in length, this hose is engineered for precise fitment and durability. Choosing a genuine OEM coolant hose ensures the correct routing geometry, material composition, and pressure resistance for reliable, leak-free performance and long service life.
Catalogue entry: HOSE return.
Technical details
- Category
- Engine Cooling
- Country of origin
- Hungary
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 51 × 12 × 9.5 cm
- Shipping weight
- 0.45 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
