United States
Product overview
Genuine OEM Audi Radiator Lower Coolant Hose, part number 8R0121109J. This essential hose is responsible for carrying coolant fluid to and from the radiator, playing a critical role in the engine's thermal management system. It is specifically positioned as a lower hose, connecting the engine to the radiator. Constructed from durable EPDM rubber, it measures approximately 0.315 meters in length and features factory-fitted quick connectors. Opting for a genuine OEM radiator hose ensures precise fitment, correct material specifications for heat and pressure resistance, and optimal routing, preventing leaks and maintaining cooling system integrity.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 31.5 × 24 × 5.5 cm
- Shipping weight
- 0.2 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 8R0121109J Audi Radiator Lower Coolant Hose | Engine Cooling in the official exploded view and explore the surrounding assembly.
Superseded by 8R0121251E — the current replacement part.
Parts in this assembly48
- 1Hose 8R0121049Q
- 2Seal Ring 4E0121666
- 3Spring 4E0121142
- 4Sender 06A919501A
- 5Seal Ring N90316801
- 6Spring 032121142
- 7Hose 059121103H
- 8Flange 059121506H
- 9Seal Ring 059121149E
- 10Seal Ring N90809102
- 11Bolt N10451408
- 12Screw N10554005
- 13Hose 059121625D
- 14Valve 059121737AM
- 15Seal Ring 059121149B
- 16Hose 059121073P
- 17Water Pipe 059121075FG
- 17Water Pipe 059121075EB
- 18Seal Ring 059121437
- 19Bracket 059121093E
- 20Screw N10644901
- 22Clamp N10775201
- 23Collar Nut N01508210
- 24Part N91189303
- 24Part N90570802
- 25Water Pipe 059121065CP
- 27HoseLeft059121055K
- 27AHoseRight059121056G
- 28Water Pipe 059121086AH
- 29Water Pipe 059121399K
- 30Seal Ring N0138076
- 31Screw N91043801
- 32Hose 059121454H
- 33Hose 059121453G
- 34Pipe 059121465B
- 35Water Pipe 059121731D
- 36Hose 8R0121081CJ
- 36Hose 8R0121081BE
- 37Cover 059121155AH
- 38Screw N10170303
- 39Part 078133335A
- 40Cover 059121155AG
- 42Hose 8R0122101Q
- 43Hose 8R0121081AQ
- 44Water Pipe 059121071CR
- 45Seal Ring N90275302
- 46Bolt N10517304
- 48ABolt N10082908
Compatible / alternative parts(1)
Vehicle fitment table2
Europe (2)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi Q5 qu. 2.0 TDI | 2012-2017 | 48 | 1 |
| Audi Q5 qu. 2.0 TDI | 2008-2012 | 8, 16 |
Diagrams & fitment data powered by oemdiagrams.com
8R0121109J Audi Radiator Lower Coolant Hose | Engine Cooling is fitted on: Audi Q5 qu. 2.0 TDI 2012-2017; Audi Q5 qu. 2.0 TDI 2008-2012.