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Number 1 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 With Coupling, part number 4H0121101P. This vital component is designed to transport coolant within the engine cooling system, facilitating heat exchange and maintaining proper engine temperature. It features an integrated coupling for a secure and efficient connection, often found in the lower radiator circuit. Weighing 0.346 kg and measuring 0.328 m in length, this hose is built for resilience. Choosing a genuine OEM coolant hose with coupling ensures the correct quick-release mechanism, precise routing, and material integrity to withstand engine bay conditions and prevent leaks.
Catalogue entry: HOSE.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40094200
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 32.8 × 14 × 8.2 cm
- Shipping weight
- 0.35 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 8Z6
- 8Z9
- TV9
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
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
