United States
Product overview
Genuine OEM Audi Lower Coolant Reservoir Hose, part number 4H0121088AD. This essential hose connects the coolant reservoir to the rest of the cooling system, facilitating the circulation of coolant and maintaining proper fluid levels. Its specific molded shape ensures correct routing and a secure connection. Weighing approximately 0.284 kg with a length of 0.5 meters, this hose is engineered for precise fitment. Choosing a genuine OEM hose guarantees the correct material composition for resistance to heat and coolant chemicals, along with the exact geometry required for reliable, leak-free operation.
Catalogue entry: HOSE left front.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40093200
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 50 × 23 × 6.5 cm
- Shipping weight
- 0.28 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
2 vehiclesCoolant Hose With Quick Release Coupling — locate 4H0121088AD Audi Lower Coolant Reservoir Hose | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly48
- 1Hose 4H0121101AC
- 2Seal Ring 4E0121666
- 3Spring 4E0121142
- 4Water Pipe 059121071CM
- 5Seal Ring N90275302
- 6Bolt N10451408
- 7Bolt N10517304
- 8Cover 059121155T
- 9Seal Ring N90783401
- 10Screw N10170303
- 11Cover 059121155R
- 14Water Pipe 059121512H
- 16Hose 4H0121447AC
- 17Valve 4H0121671G
- 18Screw N91032702
- 19Bracket 4H0121305F
- 20Screw N10619001
- 21Hose 4H0121448N
- 24Hose 4H0121449Q
- 26Water Pipe 4H0121485AA
- 27Collar Nut N01508210
- 28Hose 4H0819373G
- 29Water Pipe 059121075DK
- 30Seal Ring 059121437
- 32Bracket 059121093E
- 33Screw N10644901
- 34Cover 059121155AM
- 34Cover 059121155S
- 35Hose 4H0121055AB
- 36Sender 06A919501A
- 37Seal Ring N90316801
- 38Spring 032121142
- 41Part 4D0133335
- 42Pipe 4H0121081AH
- 43Pipe 4H0121081AB
- 45Hose 059121054C
- 46Connection 059121131Q
- 46Connection 059121131G
- 47Bolt N10156206
- 48Connection 059121131H
- 48Connection 059121131J
- 48Connection 059121131F
- 49Hose 059121053J
- 50Seal Ring WHT001011A
- 50Seal Ring WHT001225
- 51Bracket N10620201
- 60Clamp N90686902
- 61Clamp N90687001
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi A8L qu. 3.0 TDI | 2013-2018 | 39 | 1 |
| Audi A8L qu. 3.0 TDI | 2009-2014 | 39 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4H0121088AD Audi Lower Coolant Reservoir Hose | Genuine OEM is fitted on: Audi A8L qu. 3.0 TDI 2013-2018; Audi A8L qu. 3.0 TDI 2009-2014.