United States
Product overview
Genuine OEM Audi Engine Coolant Pipe, part number 4K0121400E. This pipe is an essential component of the engine cooling system, designed to circulate coolant efficiently throughout the engine to maintain optimal operating temperatures. It is a rigid pipe, connecting various hoses within the cooling circuit. Weighing approximately 0.22 kg and measuring 0.4 meters in length, it is engineered for precise fitment and durability. Using a genuine OEM coolant pipe ensures correct routing geometry, material resistance to heat and pressure, and a leak-free connection for reliable engine cooling.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 87089997
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 40 × 22 × 7 cm
- Shipping weight
- 0.22 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
4 vehiclesCoolant Pipe — locate 4K0121400E Audi Engine Coolant Pipe | Genuine OEM in the official exploded view and explore the surrounding assembly.
Superseded by 4K0121400J — the later replacement part.
This part is marked discontinued by the manufacturer (since 2023-10-01); contact us to check current availability.
Parts in this assembly34
- 2Water Pipe 4K0121081CQ
- 4Water Pipe 4K0121081CB
- 6Water Pipe 4K0121081CT
- 7Hose 4K0122055BF
- 9Hose 4K0145923AH
- 11Water Pump 05L965567A
- 12Bracket 4K0145879R
- 13Screw N10717001
- 14Bolt N91084601
- 19Bracket 792121093
- 20Hose 4K0145920AH
- 21Water Pipe 4K0145931K
- 21Water Pipe 4K0145931C
- 22Spring Rivet 4D0863788
- 23Hose 4K0145921AH
- 25Hose 4K0145920AE
- 26Water Pipe 8W0145670G
- 27Bolt N91096701
- 28Hose 8W0145930H
- 29Coupl Piece 4K0122293EE
- 30Hose 4K0122101BJ
- 31Hose 4K0122445M
- 31Hose 4K0122445T
- 33Water Pipe 4K0121400J
- 34Bolt N10771101
- 35Bolt N10718801
- 36Hose 4K0121449AA
- 38Hose 4K0121448N
- 41Grommet 4K0121585E
- 42Grommet 4K0819345N
- 43Adapter 4K0122291E
- 50Clamp N90686701
- 52Clamp N90686902
- 53Clamp N90687001
Vehicle fitment table4
Europe (2)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| audi a6 2.0 | 2018- | 33, 10, 19 | 1 |
| Audi A7 Sportback | 2018- | 33, 10 | 1 |
Other markets (2)
| Vehicle | Years | Pos. | Qty |
|---|---|---|---|
| Audi A7 | 2021- | 10 | 1 |
| Audi A6 L 2.0 | 2018- | 10 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4K0121400E Audi Engine Coolant Pipe | Genuine OEM is fitted on: audi a6 2.0 2018-; Audi A7 Sportback 2018-; Audi A7 2021-; Audi A6 L 2.0 2018-.
