2000-2006 Audi TT Lower Radiator Coolant Hose / Line 8N0121051B
OEM Part #: 8N0-121-051-B (8N0121051B)
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The exact part you’ll receive — not a stock photo.
$20.49
Used
Donor2001 Audi TT · 1.8L
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Genuine OEM Used
SKU: 648392
Donor Vehicle: 2001 Audi TT · 1.8L
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$20.49
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This Audi lower radiator coolant hose / line, OEM 8N0121051B (also replaces 8N0121051), is a genuine used part from a donor vehicle. Also known as a coolant line, it carries engine coolant between the radiator and the engine. On the 1.8L 1781CC I4 gas DOHC turbo engine found in the TT and TT Quattro, a failing hose can cause coolant leaks and overheating. Inspect for cracks or soft spots at the hose ends.
Specifications
| Fits Vehicle Model | TT |
| Fits Vehicle Make | Audi |
| OEM Part No | 8N0-121-051-B (8N0121051B) |
| Compatible OEM Part No | 8N0-121-051 |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 27 vehicle configurations across 1 make, 2000-2006.
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 27 vehicle configurations — 27 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2001 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2002 | Audi | TT | Convertible | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2006 | Audi | TT | Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2005 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2001 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2000 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2003 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2001 | Audi | TT | Convertible | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2004 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2001 | Audi | TT | Coupe | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2002 | Audi | TT | Coupe | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2004 | Audi | TT | Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2003 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2006 | Audi | TT | Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2005 | Audi | TT | Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2003 | Audi | TT | Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2006 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2004 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2003 | Audi | TT | Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2000 | Audi | TT | Coupe | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2005 | Audi | TT | Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2006 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2002 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2005 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |
| 2002 | Audi | TT | Quattro ALMS Coupe | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2002 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AMU, ATC, AWP |
| 2004 | Audi | TT | Coupe | 1.8L l4 Turbo | For Manual Transmission; For Vehicles with Engine Code(s) AWP |