United States
4E0121055AB Coolant Hose
Special order item. Delivery time may vary.
About This Part
Discontinued by the manufacturer
This part number has been discontinued and can no longer be ordered. Contact us and we will look for an alternative.
Order Processing & Delivery
This part is not stocked in our warehouse and will be ordered directly from the manufacturer upon purchase. Handling time for VOLKSWAGEN is typically 3–8 business days before dispatch.
Handling time for VAG (VW / Audi / Seat / Cupra): 3–8 business days from order confirmation to dispatch (Monday–Friday). Shipping transit for your country is added on top — see handling times by brand and shipping options.
* Delivery times are estimates and may vary based on manufacturer availability and your location.
Verify Vehicle Fitment
To ensure this part is compatible with your vehicle, please contact us with your VIN (Vehicle Identification Number). Our technical team can verify the exact fitment before you place your order.
Contact us with your VINParts diagram & fitment
1 vehicleCoolant Hose — locate Coolant Hose in the official exploded view and explore the surrounding assembly.
Parts in this assembly44
- 1Hose 4E0121055M
- 2Hose 4E0122101A
- 3Spring 4E0121142
- 4Seal Ring 4E0121666
- 5Hose 4E0121107
- 8Hose 4E0121447P
- 9Pipe 4E0121164J
- 10Bracket 803959849
- 11Hose 4E0121107L
- 12Water Pipe 06C121397B
- 13Bolt N90534203
- 14Screw N10196303
- 15Bolt N10405604
- 16Hose 06C121445A
- 17Water Pipe 06C121085K
- 18Seal Ring N90912501
- 19Screw N10323102
- 20Sender 06A919501A
- 21Seal Ring N90316801
- 22Spring 032121142
- 23Seal Ring N90519701
- 24Seal Ring N90925001
- 25Hose 06C121188
- 26Hose 06C121188B
- 27Hose 4E2121103A
- 27Hose 4E0121103E
- 28Water Pipe 06C121044A
- 30Bolt N10321002
- 32HoseRight06C121472A
- 33HoseLeft06C121471A
- 34ConnectionRight06C121647A
- 35ConnectionLeft06C121647
- 36Seal Ring N90783401
- 37Bracket 06C121077
- 38Screw N10117405
- 39Hose 06C121471
- 40Pipe 034145779D
- 50Binder 4A0820199
- 51Clamp N90686701
- 52Clamp N90770201
- 53Clamp N90926401
- 54Clamp N90686901
- 55Clamp N90687001
- 56Clamp N90687201
Vehicle fitment table1
Europe (1)
| Vehicle | Years | Pos. | Qty | PR |
|---|---|---|---|---|
| Audi A8/S8/qu. lang | 2003-2007 | 7 | 1 | T15 |
Diagrams & fitment data powered by oemdiagrams.com
Coolant Hose is fitted on: Audi A8/S8/qu. lang 2003-2007.