United States
Product overview
Genuine OEM Audi Radiator Overflow Reservoir Hose, part number 4G0121109AG. This hose is crucial for the engine cooling system, connecting the radiator to the overflow reservoir to manage coolant expansion and prevent pressure buildup. It is made from EPDM rubber, known for its resistance to heat, ozone, and weathering. Using a genuine OEM hose ensures correct routing, precise fitment, and material compatibility for reliable, leak-free operation and optimal cooling system performance.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 28.5 × 7 × 5 cm
- Shipping weight
- 0.09 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 — locate 4G0121109AG Audi Radiator Overflow Reservoir Hose | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly43
- 1Coupl Piece 8K0122293F
- 2Seal Ring N90765301
- 3Spring 1J0121142
- 4Bracket WHT005366
- 5Adapter N90692901
- 6Coupl Piece 8K0122293H
- 7Spring 4E0121142
- 8Seal Ring 4E0121666
- 10Coupl Piece 4G0122293G
- 11Hose 4G0121055AC
- 12Hose 4G0121055AE
- 13Hose 4G0121055AD
- 14Pipe 4G0121081CT
- 14Pipe 4G0121081AE
- 15Water Pipe 06H121065D
- 16Seal Ring N90365302
- 17Bolt N10405604
- 18Pipe 4G0121081AL
- 18ABracket N10767001
- 19Hose 4G0122101F
- 20Pump 06D121601
- 21Fixing Set 5N0198093
- 22Part 06H121079N
- 22Part 06H121079K
- 23Bolt N91061301
- 23ACollar Nut N01508210
- 24Hose 06H121057AM
- 25Water Pipe 06H121085H
- 26Screw N10721401
- 27Bolt N91096701
- 28Water Pipe 06H121492D
- 29Screw 06A145541J
- 30Seal Ring N0138149
- 31Screw N10619201
- 32Bracket 06H115261H
- 33Water Pipe 06H121497B
- 35Heat Insul 06D133833A
- 50Clamp N90686701
- 51Clamp N90926401
- 52Clamp 06B145917A
- 53Clamp N90686902
- 54Clamp N90687001
- 55Clamp N90687201
Vehicle fitment table2
Europe (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| audi a6 2.0 tdi | 2010-2015 | 9 | 1 |
Other markets (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi A6 L 2.0 | 2011-2013 | 9 | 1 | TV2 |
Diagrams & fitment data powered by oemdiagrams.com
4G0121109AG Audi Radiator Overflow Reservoir Hose | Genuine OEM is fitted on: audi a6 2.0 tdi 2010-2015; Audi A6 L 2.0 2011-2013.