2000-2006 Audi TT Heater Core Coolant Hose / Line 8L9121154A
OEM Part #: 8L9-121-154-A (8L9121154A)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Coolant Hose / Pipe / Line / Heater Core Hose that may fit your vehicle
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Coolant Hose / Line
Coolant Hose / Line
Coolant Hose / Line
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The Heater Core Coolant Hose is a critical component in the cooling system of your Audi TT and TT Quattro, designed to facilitate the flow of coolant between the engine and the heater core. This OEM part, identified by part numbers 8L9121073C and 8L9121154A, is positioned within the engine bay, connecting the heater core to the engine's cooling system. Its primary function is to ensure optimal heating and to regulate engine temperature by directing coolant effectively. Common issues such as leaks, cracks, or blockages in this hose can lead to inefficient heating, overheating, or coolant loss. Compatible with Audi TT models from 1999 to 2006 and TT Quattro from 2000 to 2006, this genuine part ensures reliability and compatibility with your vehicle's specifications.
Specifications
| Fits Vehicle Model | TT |
| Fits Vehicle Make | Audi |
| OEM Part No | 8L9-121-154-A (8L9121154A) |
| Compatible OEM Part No | 8L9-121-073-C |
| Category | HVAC / Climate Control |
Compatible Vehicles
Fits 27 vehicle configurations across 1 make, 2000-2006.
View all 27 vehicle configurations — 27 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2000 | Audi | TT | Coupe | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2000 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2001 | Audi | TT | Convertible | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2001 | Audi | TT | Coupe | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2001 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2001 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2002 | Audi | TT | Convertible | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2002 | Audi | TT | Coupe | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2002 | Audi | TT | Quattro ALMS Coupe | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2002 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2002 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Vehicles with ESP; For Vehicles with Engine Code(s) AMU |
| 2003 | Audi | TT | Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2003 | Audi | TT | Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2003 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2003 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2004 | Audi | TT | Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2004 | Audi | TT | Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2004 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2004 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2005 | Audi | TT | Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2005 | Audi | TT | Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2005 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2005 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2006 | Audi | TT | Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2006 | Audi | TT | Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2006 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |
| 2006 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For 225HP Model; For Vehicles with Engine Code(s) BEA |