Audi A8/S8/TT Leak Detection Pump / Ldp 4D0906271
OEM Part #: 4D0-906-271 (4D0906271)
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$79.99
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Donor Vehicle2006 Audi A8 · 4.2L
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Genuine OEM Used
SKU: 721471
Donor Vehicle: 2006 Audi A8 · 4.2L
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$79.99
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The Leak Detection Pump (LDP), OEM part number 4D0906271, is a critical component of the evaporative emissions system, designed to detect leaks in the fuel system. This factory-original part seamlessly fits various Audi models including the A8 Quattro (1997-2010), S8 (2001-2010), and TT (2000-2006) with engine options such as the 4.2L V8 and 1.8L L4. If your vehicle is experiencing issues like increased emissions or dashboard warning lights, replacing a worn or non-functioning LDP can restore optimal performance. Also known as Detection Pump or Evaporative Emissions System Leak Detection Assembly, this part ensures precise functionality and reliability.
Specifications
| Fits Vehicle Model | A8, S8, TT |
| Fits Vehicle Make | Audi |
| OEM Part No | 4D0-906-271 (4D0906271) |
| Compatible OEM Part No | 4E0-906-271 |
| Category | Fuel / Emissions |
Compatible Vehicles
Fits 68 vehicle configurations across 1 make, 1997-2010.
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 68 vehicle configurations — 3 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2004 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2000 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2010 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2010 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2009 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2009 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2009 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2009 | Audi | S8 | Sedan | 5.2L V10 | |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2008 | Audi | S8 | Sedan | 5.2L V10 | |
| 2008 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2008 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2007 | Audi | S8 | Sedan | 5.2L V10 | |
| 2007 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2001 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro ALMS Coupe | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2001 | Audi | S8 | Sedan | 4.2L V8 | |
| 2000 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2004 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2004 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2006 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2000 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2006 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 1997 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2005 | Audi | A8 | Quattro L Sedan | 6.0L W12 | |
| 2005 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 1997 | Audi | A8 | Sedan | 3.7L V8 | |
| 1999 | Audi | A8 | Sedan | 3.7L V8 | |
| 2000 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 1998 | Audi | A8 | Sedan | 3.7L V8 | |
| 2006 | Audi | A8 | Quattro L Sedan | 6.0L W12 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 030000 |
| 2001 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2002 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 1998 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2002 | Audi | S8 | Sedan | 4.2L V8 | |
| 2003 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2004 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | |
| 2001 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 1999 | Audi | A8 | Quattro Sedan | 4.2L V8 | |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 030000 |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Less Than 030000 |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 |