Audi / Volkswagen Fuel Rail w/ Pressure Regulator 077133681AA

OEM Part #: 077-133-681-AA (077133681AA)

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The Fuel Rail with Pressure Regulator (OEM Part Number 078133534C) is a crucial component located at the front of the engine, primarily functioning to distribute fuel to the fuel injectors while maintaining the correct pressure through its integrated regulator. This genuine OEM part is specifically designed for the 2004-2006 Volkswagen Phaeton and Audi A8 Quattro models equipped with the 4.2L V8 engine. Common symptoms of failure include poor fuel delivery, engine stalling, or trouble starting due to inconsistent fuel pressure. Replace this fuel rail if you notice leaks or irregular engine performance. Compatible alternative part numbers include 077133681AA. This factory-original part ensures optimal compatibility and performance.

Specifications

Specifications for Fuel Rail w/ Pressure Regulator 077133681AA
Fits Vehicle ModelA8, Phaeton
Fits Vehicle MakeAudi, Volkswagen
OEM Part No077-133-681-AA (077133681AA)
CategoryFuel / Emissions

Compatible Vehicles

Fits 6 vehicle configurations across 2 makes, 2004-2006.

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.

Audi

  • A8 2004-2005 · 3 variants 3 with notes

Volkswagen

View all 6 vehicle configurations — 3 with fitment notes
Full vehicle fitment list for Fuel Rail w/ Pressure Regulator 077133681AA
Year Make Model Trim Engine Note
2004 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2005 Audi A8 Quattro Sedan 4.2L V8 For Vehicles Where Last 6 Digits of VIN Number are Less Than 030000; For Vehicles with Engine Code(s) BFM, BGK
2005 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles Where Last 6 Digits of VIN Number are Less Than 030000; For Vehicles with Engine Code(s) BFM, BGK
2004 Volkswagen Phaeton Sedan 4.2L V8
2005 Volkswagen Phaeton Sedan 4.2L V8
2006 Volkswagen Phaeton Sedan 4.2L V8

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