Audi / Volkswagen Bosch Alternator - 120 Amp 038903018QX
OEM Part #: 038-903-018-QX (038903018QX)
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BOSCH ALTERNATOR - 120 AMP Part Number: 038903018QX Designed for reliable power generation, this 120 Amp Bosch alternator efficiently converts mechanical energy into electrical energy, ensuring your vehicle's electrical systems operate seamlessly. Commonly replaces a faulty unit found in Audi TT and VW models, helping to avoid issues such as battery drainage or dimming lights. Compatibility: - Audi TT (1999-2006): 1.8L L4, 3.2L V6 - Audi TT Quattro (2000-2006): 1.8L L4, 3.2L V6 - Volkswagen Jetta (1999-2005) - Volkswagen Passat (1998-2001, 2003-2005) - Volkswagen Beetle (1999-2015) - Volkswagen Golf (1999-2006) - Volkswagen Touareg (2004-2005) Interchangeable with: 038903018BX, 021903026EX, 028903018HX, 038903018Q, and others.
Specifications
| Fits Vehicle Model | Beetle, Golf, Jetta, Passat, Touareg, TT |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 038-903-018-QX (038903018QX) |
| Compatible OEM Part No | 038-903-018-BX, 021-903-026-EX, 021-903-026-FX, 028-903-018-HX, 028-903-018-LX, 028-903-026-HX, 028-903-028-EX, 028-903-031-X, 038-903-018-Q, 038-903-018-B, 021-903-026-E, 021-903-026-F, 028-903-028-E, 028-903-029-G, 038-903-023-S |
| Category | Battery / Charging / Starting |
Compatible Vehicles
Fits 199 vehicle configurations across 2 makes, 1998-2015.
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.
View all 199 vehicle configurations — 27 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2000 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2000 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro ALMS Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2004 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2005 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2005 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2006 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2006 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 1998 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 1998 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 1998 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 1998 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 1999 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 1999 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 1999 | Volkswagen | Beetle | Hatchback | 2.0L l4 | |
| 1999 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | |
| 1999 | Volkswagen | Golf | Hatchback | 2.0L l4 | |
| 1999 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 1999 | Volkswagen | Jetta | Sedan | 2.0L l4 | |
| 1999 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 1999 | Volkswagen | Jetta | Sedan | 1.9L l4 Diesel Turbo | |
| 1999 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 1999 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 1999 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 1999 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2000 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2000 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 2000 | Volkswagen | Beetle | Hatchback | 2.0L l4 | |
| 2000 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2000 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2000 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2000 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2000 | Volkswagen | Jetta | Sedan | 2.0L l4 | |
| 2000 | Volkswagen | Jetta | Sedan | 1.8L l4 Turbo | |
| 2000 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2000 | Volkswagen | Jetta | Sedan | 1.9L l4 Diesel Turbo | |
| 2000 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2000 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2000 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2000 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2000 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2001 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2001 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 2001 | Volkswagen | Beetle | Hatchback | 2.0L l4 | |
| 2001 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2001 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2001 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2001 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AEG, AFP, ALH, AVH, AWD, AWW, AZG |
| 2001 | Volkswagen | Jetta | Sedan | 2.0L l4 | |
| 2001 | Volkswagen | Jetta | Sedan | 1.8L l4 Turbo | |
| 2001 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2001 | Volkswagen | Jetta | Wagon | 1.8L l4 Turbo | |
| 2001 | Volkswagen | Jetta | Wagon | 2.0L l4 | |
| 2001 | Volkswagen | Jetta | Wagon | 2.8L V6 | |
| 2001 | Volkswagen | Jetta | Sedan | 1.9L l4 Diesel Turbo | |
| 2001 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2001 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2001 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2001 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2001 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2001 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2002 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2002 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 2002 | Volkswagen | Beetle | Hatchback | 2.0L l4 | |
| 2002 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) AWP, AFP, ALH, AVH, AZG, BDF |
| 2002 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AWP, AFP, ALH, AVH, AZG, BDF |
| 2002 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWP, AFP, ALH, AVH, AZG, BDF |
| 2002 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AWP, AFP, ALH, AVH, AZG, BDF |
| 2002 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2002 | Volkswagen | Jetta | Sedan | 2.0L l4 | |
| 2002 | Volkswagen | Jetta | Sedan | 1.8L l4 Turbo | |
| 2002 | Volkswagen | Jetta | Wagon | 1.8L l4 Turbo | |
| 2002 | Volkswagen | Jetta | Wagon | 2.0L l4 | |
| 2002 | Volkswagen | Jetta | Wagon | 2.8L V6 | |
| 2002 | Volkswagen | Jetta | Sedan | 1.9L l4 Diesel Turbo | |
| 2002 | Volkswagen | Jetta | Wagon | 1.9L l4 Diesel Turbo | |
| 2003 | Volkswagen | Beetle | Convertible | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Beetle | Convertible | 1.9L l4 Diesel Turbo | |
| 2003 | Volkswagen | Beetle | Convertible | 2.0L l4 | |
| 2003 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 2003 | Volkswagen | Beetle | Hatchback | 2.0L l4 | |
| 2003 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2003 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2003 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2003 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2003 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2003 | Volkswagen | Jetta | Sedan | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Jetta | Sedan | 2.0L l4 | |
| 2003 | Volkswagen | Jetta | Wagon | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Jetta | Wagon | 2.0L l4 | |
| 2003 | Volkswagen | Jetta | Sedan | 1.9L l4 Diesel Turbo | |
| 2003 | Volkswagen | Jetta | Wagon | 1.9L l4 Diesel Turbo | |
| 2003 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2003 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2003 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2003 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2003 | Volkswagen | Passat | Sedan | 4.0L W8 | |
| 2003 | Volkswagen | Passat | Wagon | 4.0L W8 | |
| 2004 | Volkswagen | Beetle | Convertible | 1.9L l4 Diesel Turbo | |
| 2004 | Volkswagen | Beetle | Convertible | 2.0L l4 | |
| 2004 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 2004 | Volkswagen | Beetle | Hatchback | 2.0L l4 | |
| 2004 | Volkswagen | Beetle | Convertible | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2004 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2004 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2004 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2004 | Volkswagen | Jetta | Sedan | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Jetta | Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Jetta | Sedan | 2.0L l4 | |
| 2004 | Volkswagen | Jetta | Wagon | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Jetta | Wagon | 2.0L l4 | |
| 2004 | Volkswagen | Jetta | Sedan | 1.9L l4 Diesel Turbo | |
| 2004 | Volkswagen | Jetta | Wagon | 1.9L l4 Diesel Turbo | |
| 2004 | Volkswagen | Passat | 4 Sedan | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | 4 Wagon | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2004 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2004 | Volkswagen | Passat | Sedan | 4.0L W8 | |
| 2004 | Volkswagen | Passat | Wagon | 4.0L W8 | |
| 2004 | Volkswagen | Touareg | SUV | 4.9L V10 Diesel Turbo | |
| 2004 | Volkswagen | Touareg | SUV | 3.2L V6 | |
| 2004 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2005 | Volkswagen | Beetle | Convertible | 2.0L l4 | |
| 2005 | Volkswagen | Beetle | Hatchback | 2.0L l4 | |
| 2005 | Volkswagen | Beetle | Convertible | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 2005 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2005 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2005 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2005 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2005 | Volkswagen | Jetta | Sedan | 2.5L l5 | |
| 2005 | Volkswagen | Jetta | Sedan | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Jetta | Sedan | 2.0L l4 | |
| 2005 | Volkswagen | Jetta | Sedan | 1.9L l4 Diesel Turbo | |
| 2005 | Volkswagen | Jetta | Wagon | 1.9L l4 Diesel Turbo | |
| 2005 | Volkswagen | Jetta | Wagon | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Jetta | Wagon | 2.0L l4 | |
| 2005 | Volkswagen | Passat | 4 Sedan | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2005 | Volkswagen | Passat | 4 Wagon | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Passat | Sedan | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2005 | Volkswagen | Passat | Sedan | 2.0L l4 Diesel Turbo | |
| 2005 | Volkswagen | Passat | Wagon | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Touareg | SUV | 3.2L V6 | |
| 2005 | Volkswagen | Touareg | SUV | 4.2L V8 | |
| 2006 | Volkswagen | Beetle | Hatchback | 2.5L l5 | |
| 2006 | Volkswagen | Beetle | Hatchback | 1.9L l4 Diesel Turbo | |
| 2006 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2006 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2006 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWP, ALH, AVH, AZG, BDF, BEV, BEW |
| 2007 | Volkswagen | Beetle | Hatchback | 2.5L l5 | |
| 2008 | Volkswagen | Beetle | Hatchback | 2.5L l5 | |
| 2009 | Volkswagen | Beetle | Hatchback | 2.5L l5 | |
| 2010 | Volkswagen | Beetle | Hatchback | 2.5L l5 | |
| 2013 | Volkswagen | Beetle | Hatchback | 2.0L l4 Turbo | |
| 2014 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2014 | Volkswagen | Beetle | Hatchback | 2.0L l4 Turbo | |
| 2014 | Volkswagen | Beetle | Hatchback | 2.0L l4 Diesel Turbo | |
| 2015 | Volkswagen | Beetle | Hatchback | 1.8L l4 Turbo | |
| 2015 | Volkswagen | Beetle | Hatchback | 2.0L l4 Turbo | |
| 2015 | Volkswagen | Beetle | Hatchback | 2.0L l4 Diesel Turbo |