Audi A8/S8 Fuel Door / Trunk Release Switch / Button 4E0959831

OEM Part #: 4E0-959-831 (4E0959831)

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Enhance your Audi's functionality with the OEM Fuel Door / Trunk Release Switch, part number 4E0959831. This factory-original component fits seamlessly in the front driver's door panel of various Audi models, including the 2004-2010 A8 Quattro (4.2L V8, 6.0L W12) and 2007-2010 S8 (5.2L V10). Designed to resolve issues related to a worn-out or non-functioning fuel door release, this switch—also known as the Lock Switch or Button—ensures reliable operation when accessing your fuel filler. Trust in authentic Audi craftsmanship for optimal performance and compatibility. Other compatible part numbers include 3D0959831D20H and 4E0959855A5PR.

Specifications

Specifications for Fuel Door / Trunk Release Switch / Button 4E0959831
Fits Vehicle ModelA8, S8
Fits Vehicle MakeAudi
OEM Part No4E0-959-831 (4E0959831)
CategoryInterior Switch

Compatible Vehicles

Fits 21 vehicle configurations across 1 make, 2004-2010.

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.

Audi

  • A8 2004-2010 · 18 variants
  • S8 2007-2009 · 3 variants
View all 21 vehicle configurations
Full vehicle fitment list for Fuel Door / Trunk Release Switch / Button 4E0959831
Year Make Model Trim Engine Note
2004 Audi A8 Quattro L Sedan 4.2L V8
2005 Audi A8 Quattro Sedan 4.2L V8
2005 Audi A8 Quattro L Sedan 4.2L V8
2005 Audi A8 Quattro L Sedan 6.0L W12
2006 Audi A8 Quattro Sedan 4.2L V8
2006 Audi A8 Quattro L Sedan 4.2L V8
2006 Audi A8 Quattro L Sedan 6.0L W12
2007 Audi A8 Quattro Sedan 4.2L V8
2007 Audi A8 Quattro L Sedan 4.2L V8
2007 Audi A8 Quattro L Sedan 6.0L W12
2007 Audi S8 Sedan 5.2L V10
2008 Audi A8 Quattro Sedan 4.2L V8
2008 Audi A8 Quattro L Sedan 4.2L V8
2008 Audi A8 Quattro L Sedan 6.0L W12
2008 Audi S8 Sedan 5.2L V10
2009 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 S8 Sedan 5.2L V10
2010 Audi A8 Quattro Sedan 4.2L V8
2010 Audi A8 Quattro L Sedan 4.2L V8

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