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

Specifications for TDI Fuel Filter 8T0127401A
Fits Vehicle ModelA6, A7, A8, Q5, Q7
Fits Vehicle MakeAudi
OEM Part No8T0-127-401-A (8T0127401A)
Compatible OEM Part No 8K0-127-400-C
CategoryFuel / Emissions

Compatible Vehicles

Fits 17 vehicle configurations across 1 make, 2010-2020.

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.

Audi

  • A6 2014-2020 · 4 variants
  • A7 2014
  • A8 2014-2016 · 3 variants 3 with notes
  • Q5 2014-2016 · 3 variants
  • Q7 2010-2015 · 6 variants 6 with notes
View all 17 vehicle configurations 9 with fitment notes
Full vehicle fitment list for TDI Fuel Filter 8T0127401A
Year Make Model Trim Engine Note
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
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
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
2014 Audi A6 Quattro Sedan 3.0L V6 Diesel Turbo
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
2014 Audi Q5 SUV 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
2015 Audi A6 Quattro Sedan 3.0L V6 Diesel Turbo
2015 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
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
2016 Audi A8 Quattro L Sedan 3.0L V6 Diesel Turbo For Vehicles with Engine Code(s) CDTC, CPNB, CTBA, CTBB, CTBD
2016 Audi Q5 SUV 3.0L V6 Diesel Turbo
2019 Audi A6 Quattro Sedan 2.0L l4 Turbo
2020 Audi A6 Quattro Sedan 2.0L l4 Turbo

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