Audi A6/A7/A8/Q5/Q7 TDI Fuel Filter 8T0127401A
OEM Part #: 8T0-127-401-A (8T0127401A)
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The OEM TDI Fuel Filter, part number 8T0127401A, is a critical component positioned within the engine bay of select Audi models. This fuel water separator filter is responsible for filtering contaminants from the diesel fuel supply, ensuring that only clean fuel reaches the engine. It is compatible with various Audi models including the 2014-2016 Audi A6, A7, A8, Q5, and Q7 featuring the 3.0L V6 TDI engine. Common issues that necessitate replacement of the fuel filter include fuel contamination, reduced engine performance, or poor fuel economy, which can lead to power loss or hard starting. Substituting this part can restore optimal engine function. It's also referred to as the Fuel Water Separator Filter, and alternatives include part numbers 8K0127400C and others.
Specifications
| Fits Vehicle Model | A6, A7, A8, Q5, Q7 |
| Fits Vehicle Make | Audi |
| OEM Part No | 8T0-127-401-A (8T0127401A) |
| Compatible OEM Part No | 8K0-127-400-C |
| Category | Fuel / Emissions |
Compatible Vehicles
Fits 17 vehicle configurations across 1 make, 2010-2020.
View all 17 vehicle configurations — 9 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2020 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2019 | Audi | A6 | Quattro Sedan | 2.0L l4 Turbo | |
| 2016 | Audi | Q5 | SUV | 3.0L V6 Diesel Turbo | |
| 2016 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CDTC, CPNB, CTBA, CTBB, CTBD |
| 2015 | Audi | Q5 | SUV | 3.0L V6 Diesel Turbo | |
| 2014 | Audi | A6 | Quattro Sedan | 3.0L V6 Diesel Turbo | |
| 2014 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 05/31/10; For Vehicles with Engine Code(s) CATA, CCMA, CJGA, CJGC, CJMA, CLZB, CNRB, CRCA |
| 2014 | Audi | A7 | Quattro Hatchback | 3.0L V6 Diesel Turbo | |
| 2014 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CDTA, CDTB, CLAB, CMHA, CPNA |
| 2013 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 05/31/10; For Vehicles with Engine Code(s) CATA, CCMA, CJGA, CJGC, CJMA, CLZB, CNRB, CRCA |
| 2011 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 05/31/10; For Vehicles with Engine Code(s) CATA, CCMA, CJGA, CJGC, CJMA, CLZB, CNRB, CRCA |
| 2012 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 05/31/10; For Vehicles with Engine Code(s) CATA, CCMA, CJGA, CJGC, CJMA, CLZB, CNRB, CRCA |
| 2010 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 05/31/10; For Vehicles with Engine Code(s) CATA, CCMA, CJGA, CJGC, CJMA, CLZB, CNRB, CRCA |
| 2014 | Audi | Q5 | SUV | 3.0L V6 Diesel Turbo | |
| 2015 | Audi | Q7 | SUV | 3.0L V6 Diesel Turbo | For Vehicles with Production Date After 05/31/10; For Vehicles with Engine Code(s) CATA, CCMA, CJGA, CJGC, CJMA, CLZB, CNRB, CRCA |
| 2015 | Audi | A8 | Quattro L Sedan | 3.0L V6 Diesel Turbo | For Vehicles with Engine Code(s) CDTC, CPNB, CTBA, CTBB, CTBD |
| 2015 | Audi | A6 | Quattro Sedan | 3.0L V6 Diesel Turbo |