Audi / Volkswagen Engine Oil Pump Sprocket / Gear 078115121C

OEM Part #: 078-115-121-C (078115121C)

This page covers one exact OEM part number. Every unit we stocked has sold.

The Engine Oil Pump Sprocket, also known as the oil pump gear, plays a critical role in maintaining proper oil circulation within the engine of various Volkswagen and Audi models. Positioned at the front of the engine assembly, this component interfaces directly with the oil pump and the crankshaft, efficiently converting rotational motion into hydraulic power necessary for oil flow. Replacement of the sprocket may be required due to wear, misalignment, or damage, which can lead to insufficient oil pressure and potential engine failure. This OEM part, with numbers 078115121C and 078115121B, is compatible with the 2000-2006 Volkswagen Phaeton, Touareg, and several Audi models including the Allroad Quattro and A6, ensuring reliable performance in its respective engines.

Specifications

Specifications for Engine Oil Pump Sprocket / Gear 078115121C
Fits Vehicle ModelA4, A6, Allroad, Cabriolet, Passat, S4
Fits Vehicle MakeAudi, Volkswagen
OEM Part No078-115-121-C (078115121C)
Compatible OEM Part No 078-115-121-B
CategoryOil Pan / Pump

Compatible Vehicles

Fits 68 vehicle configurations across 2 makes, 1998-2005.

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

  • A4 1998-2001 · 13 variants 6 with notes
  • A6 1998-2004 · 16 variants
  • Allroad 2001-2005 · 5 variants
  • Cabriolet 1998 1 with note
  • S4 2000-2002 · 5 variants 5 with notes

Volkswagen

  • Passat 1998-2005 · 28 variants 12 with notes
View all 68 vehicle configurations — 24 with fitment notes
Full vehicle fitment list for Engine Oil Pump Sprocket / Gear 078115121C
Year Make Model Trim Engine Note
1998 Audi A4 Wagon 2.8L V6
1998 Audi A4 Sedan 2.8L V6
1998 Audi A4 Quattro Wagon 2.8L V6
1998 Audi A4 Quattro Sedan 2.8L V6
1998 Audi A6 Sedan 2.8L V6
1998 Audi A6 Quattro Sedan 2.8L V6
1998 Audi Cabriolet Convertible 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 000106; For Vehicles with Engine Code(s) AFC
1999 Audi A4 Sedan 2.8L V6
1999 Audi A4 Quattro Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA, ATQ
1999 Audi A4 Quattro Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA, ATQ
1999 Audi A6 Sedan 2.8L V6
1999 Audi A6 Quattro Wagon 2.8L V6
1999 Audi A6 Quattro Sedan 2.8L V6
2000 Audi A4 Sedan 2.8L V6
2000 Audi A4 Quattro Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA, ATQ
2000 Audi A4 Quattro Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA, ATQ
2000 Audi A6 Sedan 2.8L V6
2000 Audi A6 Quattro Wagon 2.8L V6
2000 Audi A6 Quattro Sedan 2.7L V6 Turbo
2000 Audi A6 Quattro Sedan 2.8L V6
2000 Audi S4 Sedan 2.7L V6 Turbo For Vehicles with Engine Code(s) APB
2001 Audi A4 Sedan 2.8L V6
2001 Audi A4 Quattro Wagon 2.8L V6 For Vehicles with Engine Code(s) AHA, ATQ
2001 Audi A4 Quattro Sedan 2.8L V6 For Vehicles with Engine Code(s) AHA, ATQ
2001 Audi A6 Sedan 2.8L V6
2001 Audi A6 Quattro Wagon 2.8L V6
2001 Audi A6 Quattro Sedan 2.7L V6 Turbo
2001 Audi A6 Quattro Sedan 2.8L V6
2001 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2001 Audi S4 Wagon 2.7L V6 Turbo For Vehicles with Engine Code(s) APB
2001 Audi S4 Sedan 2.7L V6 Turbo For Vehicles with Engine Code(s) APB
2002 Audi A6 Quattro Sedan 2.7L V6 Turbo
2002 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2002 Audi S4 Wagon 2.7L V6 Turbo For Vehicles with Engine Code(s) APB
2002 Audi S4 Sedan 2.7L V6 Turbo For Vehicles with Engine Code(s) APB
2003 Audi A6 Quattro Sedan 2.7L V6 Turbo
2003 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2004 Audi A6 Quattro Sedan 2.7L V6 Turbo
2004 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2005 Audi Allroad Quattro Wagon 2.7L V6 Turbo
1998 Volkswagen Passat Sedan 2.8L V6
1998 Volkswagen Passat Wagon 2.8L V6
1999 Volkswagen Passat Sedan 2.8L V6
1999 Volkswagen Passat Wagon 2.8L V6
2000 Volkswagen Passat 4 Sedan 2.8L V6
2000 Volkswagen Passat 4 Wagon 2.8L V6
2000 Volkswagen Passat Sedan 2.8L V6
2000 Volkswagen Passat Wagon 2.8L V6
2001 Volkswagen Passat 4 Sedan 2.8L V6
2001 Volkswagen Passat 4 Wagon 2.8L V6
2001 Volkswagen Passat Sedan 2.8L V6
2001 Volkswagen Passat Wagon 2.8L V6
2002 Volkswagen Passat 4 Sedan 2.8L V6
2002 Volkswagen Passat 4 Wagon 2.8L V6
2002 Volkswagen Passat Sedan 2.8L V6
2002 Volkswagen Passat Wagon 2.8L V6
2003 Volkswagen Passat Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
2003 Volkswagen Passat Wagon 2.8L V6 For Vehicles with Engine Code(s) ATQ
2003 Volkswagen Passat 4 Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
2003 Volkswagen Passat 4 Wagon 2.8L V6 For Vehicles with Engine Code(s) ATQ
2004 Volkswagen Passat Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
2004 Volkswagen Passat Wagon 2.8L V6 For Vehicles with Engine Code(s) ATQ
2004 Volkswagen Passat 4 Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
2004 Volkswagen Passat 4 Wagon 2.8L V6 For Vehicles with Engine Code(s) ATQ
2005 Volkswagen Passat 4 Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
2005 Volkswagen Passat 4 Wagon 2.8L V6 For Vehicles with Engine Code(s) ATQ
2005 Volkswagen Passat Sedan 2.8L V6 For Vehicles with Engine Code(s) ATQ
2005 Volkswagen Passat Wagon 2.8L V6 For Vehicles with Engine Code(s) ATQ

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