United States
Product overview
Genuine OEM Volkswagen Engine Coolant Reservoir Hose, part number 3C0121109AD. This hose connects the coolant reservoir to the main cooling system, ensuring proper circulation and maintaining optimal fluid levels for engine temperature regulation. It is a vital part of the engine cooling circuit. Weighing 0.2375 kg, this genuine OEM hose ensures correct routing geometry and resistance to extreme temperatures and pressures, preventing leaks and maintaining efficient cooling system operation.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40093100
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 48 × 27.5 × 8 cm
- Shipping weight
- 0.24 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
6 vehiclesCoolant Hose — locate 3C0121109AD Volkswagen Engine Coolant Reservoir Hose | OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly23
- 1Hose 3C0122073EJ
- 2Coupl Piece 1J0122291D
- 3Water Pipe 3C0121070AB
- 4Bolt N91096701
- 5Hose 3C0121073AE
- 5Hose 3C0121073S
- 6Hose 03H121049
- 6Hose 03H121096B
- 7Coupl Piece 1K0122291C
- 8Hose 3C0121157AT
- 9Hose 3C0121447AQ
- 10Hose 3C0121447AP
- 11Tpiece N90693001
- 12Water Pipe 3C0121070AJ
- 15Collar Nut N10609201
- 16Hose 3C0121447AK
- 18Bracket 03H131561B
- 19Hose 03H121058B
- 80Clamp N90686701
- 81Clamp N90926401
- 82Clamp N90686902
- 83Clamp N90687001
- 84Clamp N90687101
Vehicle fitment table6
Europe (4)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Passat CC | 2011-2016 | 17 | 1 | TH0 |
| Passat saloon | 2010-2015 | 17 | 1 | TV0 |
| Passat CC | 2008-2012 | 17 | 1 | TH0 |
| passat estate | 2008-2011 | 17 | 1 |
Other markets (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Magotan 1.4 | 2011-2012 | 17 | 1 |
Platform / generic diagrams (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| 3C0 platform | 17 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
3C0121109AD Volkswagen Engine Coolant Reservoir Hose | OEM is fitted on: Passat CC 2011-2016; Passat saloon 2010-2015; Passat CC 2008-2012; passat estate 2008-2011; Magotan 1.4 2011-2012; 3C0 platform.
