2011-2018 Audi A8/S8 Coolant Hose / Line Rear, Right 4H0121449N
OEM Part #: 4H0-121-449-N (4H0121449N)
Actual photo
The exact part you’ll receive — not a stock photo.
$14.99
Side: Rear, Right
Used
Donor2015 Audi A8 · 4.0L
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Genuine OEM Used
SKU: 665381
Donor Vehicle: 2015 Audi A8 · 4.0L
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$14.99
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This used OEM coolant hose, part number 4H0121449N, is a genuine Audi coolant line for the rear right side. Sourced from a donor vehicle, this factory hose carries coolant between components; a cracked or leaking hose can cause overheating or low coolant warnings. Fits 4.0L twin-turbo V8 and 4.2L V8 engines in A8 and S8 models.
Specifications
| Fits Vehicle Model | A8, S8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4H0-121-449-N (4H0121449N) |
| Side | Rear, Right |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 19 vehicle configurations across 1 make, 2011-2018.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 19 vehicle configurations — 13 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2017 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2018 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2016 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2018 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2017 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2011 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) CDRA |
| 2011 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) CDRA |
| 2012 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) CDRA |
| 2012 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) CDRA |
| 2013 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2014 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2014 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2013 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2014 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | |
| 2013 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | |
| 2015 | Audi | A8 | Quattro Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2015 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2016 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |
| 2015 | Audi | S8 | Sedan | 4.0L V8 Turbo | For Vehicles with Engine Code(s) CTFA, CTGA, CTGF |