United States
Product overview
Genuine OEM Audi Engine Coolant Hose, part number 4N0121081BG. This hose is a vital part of the engine cooling system, responsible for circulating coolant between various engine components to maintain optimal operating temperatures. It is positioned within the engine's cooling circuit. Genuine OEM hoses are constructed from high-quality, heat-resistant materials with precise dimensions and routing, ensuring leak-free performance and long-term durability under engine bay conditions.
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)
- 52.5 × 24.5 × 7.5 cm
- Shipping weight
- 0.1 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
Parts diagram & fitment
1 vehicleCoolant Hose — locate 4N0121081BG Audi Engine Coolant Hose | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly31
- 2Hose 4N0122101A
- 4Hose 4N0121081BK
- 4Hose 4N0121081B
- 7Hose 4N0122109M
- 8Collar Nut N01508210
- 11Hose 4N0122055A
- 13Hose 4N0819337AK
- 15Hose 4N0122449H
- 17Hose 4N0122448F
- 18Valve 5Q0906457K
- 19Bracket 4N0121305R
- 20Bolt N10666701
- 21Bolt N10124309
- 22Hose 4N0121056A
- 26Grommet 8W0122291AG
- 26Water Pipe 4N0121064A
- 27Water Pipe 4N0121083A
- 29Water Pipe 4N0121050E
- 29Water Pipe 4N0121050B
- 30Clamp 06B145917A
- 30Clamp 1K0423933
- 32Coupl Piece 4G0122293CG
- 33Cover 059121168C
- 35Bolt N10405604
- 36Sensor 079919523H
- 36Sensor 079919523
- 37Screw N10170302
- 38Seal Ring WHT002287B
- 40Clamp N90686902
- 41Clamp N90687001
- 42Clamp N90926501
Vehicle fitment table1
Europe (1)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi A8L | 2017-2022 | 4 | 1 |
The manufacturer’s catalogue lists this part number as fitted until 3 May 2021; later builds may use a superseding number.
Diagrams & fitment data powered by oemdiagrams.com
4N0121081BG Audi Engine Coolant Hose | Genuine OEM is fitted on: Audi A8L 2017-2022.