Audi / Volkswagen Power Brake Booster 4B3612105A

OEM Part #: 4B3-612-105-A (4B3612105A)

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

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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

Other Brake Booster that may fit your vehicle

Brake Booster Vacuum Hose / Line 3B1611931F

Brake Booster Vacuum Hose / Line

$29.99
Fits 2002–2005 Volkswagen Passat
OEM: 3B1611931F
Used Only 1 left
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Enhance your vehicle's braking performance with this genuine POWER BRAKE BOOSTER, an essential component found in various Audi and Volkswagen models. Specifically designed for Audi A6, A4, Allroad Quattro, and S4 from 1998 to 2002, as well as the Volkswagen Passat from 1999 to 2002, this OEM part (part numbers 4B3612107 and 4B3612105A) ensures reliable stopping power. Positioned within the engine bay, the brake booster optimizes brake pedal effort, allowing for safer and more effective braking. Common issues resolved by this part include diminished brake responsiveness and complete brake failure due to wear or damage. Trust in authentic factory-original parts sourced from salvage vehicles for dependable performance.

Specifications

Specifications for Power Brake Booster 4B3612105A
Fits Vehicle ModelA4, A6, Allroad, Passat, S4
Fits Vehicle MakeAudi, Volkswagen
OEM Part No4B3-612-105-A (4B3612105A)
Compatible OEM Part No 4B3-612-107
CategoryBrake Booster

Compatible Vehicles

Fits 69 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 1999-2001 · 18 variants
  • A6 1998-2001 · 15 variants 3 with notes
  • Allroad 2001-2005 · 7 variants
  • S4 2000-2002 · 5 variants

Volkswagen

  • Passat 1999-2002 · 24 variants 12 with notes
View all 69 vehicle configurations — 15 with fitment notes
Full vehicle fitment list for Power Brake Booster 4B3612105A
Year Make Model Trim Engine Note
1998 Audi A6 Sedan 2.8L V6
1998 Audi A6 Quattro Sedan 2.8L V6
1999 Audi A4 Sedan 1.8L l4 Turbo
1999 Audi A4 Sedan 2.8L V6
1999 Audi A4 Quattro Wagon 1.8L l4 Turbo
1999 Audi A4 Quattro Wagon 2.8L V6
1999 Audi A4 Quattro Sedan 1.8L l4 Turbo
1999 Audi A4 Quattro Sedan 2.8L V6
1999 Audi A6 Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 120001
1999 Audi A6 Quattro Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 120001
1999 Audi A6 Quattro Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 120001
2000 Audi A4 Sedan 1.8L l4 Turbo
2000 Audi A4 Sedan 2.8L V6
2000 Audi A4 Quattro Wagon 1.8L l4 Turbo
2000 Audi A4 Quattro Wagon 2.8L V6
2000 Audi A4 Quattro Sedan 1.8L l4 Turbo
2000 Audi A4 Quattro Sedan 2.8L V6
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 A6 Quattro Sedan 4.2L V8
2000 Audi S4 Sedan 2.7L V6 Turbo
2001 Audi A4 Sedan 1.8L l4 Turbo
2001 Audi A4 Sedan 2.8L V6
2001 Audi A4 Quattro Wagon 1.8L l4 Turbo
2001 Audi A4 Quattro Wagon 2.8L V6
2001 Audi A4 Quattro Sedan 1.8L l4 Turbo
2001 Audi A4 Quattro Sedan 2.8L V6
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 A6 Quattro Sedan 4.2L V8
2001 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2001 Audi S4 Wagon 2.7L V6 Turbo
2001 Audi S4 Sedan 2.7L V6 Turbo
2002 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2002 Audi S4 Wagon 2.7L V6 Turbo
2002 Audi S4 Sedan 2.7L V6 Turbo
2003 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2004 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2004 Audi Allroad Quattro Wagon 4.2L V8
2005 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2005 Audi Allroad Quattro Wagon 4.2L V8
1999 Volkswagen Passat Sedan 1.8L l4 Turbo For Vehicles Where Last 6 Digits of VIN Number are Greater Than 491581
1999 Volkswagen Passat Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 491581
1999 Volkswagen Passat Wagon 1.8L l4 Turbo For Vehicles Where Last 6 Digits of VIN Number are Greater Than 491581
1999 Volkswagen Passat Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Greater Than 491581
2000 Volkswagen Passat 4 Sedan 2.8L V6
2000 Volkswagen Passat 4 Wagon 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 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 Passat 4 Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026
2002 Volkswagen Passat 4 Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026
2002 Volkswagen Passat Sedan 1.8L l4 Turbo For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026
2002 Volkswagen Passat Sedan 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026
2002 Volkswagen Passat Wagon 1.8L l4 Turbo For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026
2002 Volkswagen Passat Wagon 2.8L V6 For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026
2002 Volkswagen Passat Sedan 4.0L W8 For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026
2002 Volkswagen Passat Wagon 4.0L W8 For Vehicles Where Last 6 Digits of VIN Number are Less Than 010026

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