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Search our online brake booster catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured Audi A4 Brake Booster parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day. They are available for the following Audi A4 years: 08, 07, 06, 05, 04, 03, 02, 01, 00, 99, 98, 97, 96, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996. This part is also sometimes called Audi A4 Power Brake Boosters. We stock brake booster parts for most Audi models including A6 Quattro, A4 Quattro, S4, 100 Quattro, 90 Quattro, A6, TT Quattro, Allroad Quattro, 90, TT, 100, 200 Quattro, 4000 Quattro, Coupe Quattro, Cabriolet, S6, V8 Quattro, 5000, Coupe and 80 Quattro.

We stock these Brake Booster brands for the Audi A4: TRW and OES Genuine.

Image is not vehicle specific 01 2001 Audi A4 Brake Booster TRW Retail Price: $419.00 Your Price: $263.75 Quantity: Part Number: W0133-1597658 Notes: *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks **TRW/Lucas Brand, NOT Interchangable w/ATE** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day OEM This Product Fits the Following:   Vehicle •  2001 Audi A4

Click to Enlarge 98 1998 Audi A4 Brake Booster 1.8L 4 Cyl TRW Retail Price: $300.00 Your Price: $185.75 Quantity: Part Number: W0133-1606811 Notes: *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks Availability: In Stock Shipping Options: Ground, Overnight, 2 Day OEM This Product Fits the Following:   Vehicle Engine •  1998 Audi A4 1.8L 4 Cyl  •  1998 Audi A4 2.8L V6

Image is not vehicle specific 08 2008 Audi A4 Base Brake Booster 2.0L 4 Cyl BWT OES Genuine Retail Price: $318.00 Your Price: $275.75 Quantity: Part Number: W0133-1836073 Notes: 7"/8" Dual Diaphram *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks ** TRW/Lucas Brand, Not Interchangable w/ATE Units** **It May Be Necessary to Remove Spacer and or Gasket Between Booster and Mounting Flange to Accommodate New Booster Mounting** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle Sub Model Engine •  2008 Audi A4 Base  2.0L 4 Cyl BWT

Click to Enlarge 07 2007 Audi A4 Brake Booster OES Genuine Retail Price: $318.00 Your Price: $272.75 Quantity: Part Number: W0133-1737151 Notes: 7"/8" Dual Diaphram *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks ** TRW/Lucas Brand, Not Interchangable w/ATE Units** **It May Be Necessary to Remove Spacer and or Gasket Between Booster and Mounting Flange to Accommodate New Booster Mounting** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  2007 Audi A4

Image is not vehicle specific 06 2006 Audi A4 Brake Booster OES Genuine Retail Price: $318.00 Your Price: $275.75 Quantity: Part Number: W0133-1836073 Notes: 7"/8" Dual Diaphram *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks ** TRW/Lucas Brand, Not Interchangable w/ATE Units** **It May Be Necessary to Remove Spacer and or Gasket Between Booster and Mounting Flange to Accommodate New Booster Mounting** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  2006 Audi A4

Click to Enlarge 05 2005 Audi A4 Brake Booster OES Genuine Retail Price: $318.00 Your Price: $272.75 Quantity: Part Number: W0133-1737151 Notes: 7"/8" Dual Diaphram *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks ** TRW/Lucas Brand, Not Interchangable w/ATE Units** **It May Be Necessary to Remove Spacer and or Gasket Between Booster and Mounting Flange to Accommodate New Booster Mounting** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  2005 Audi A4

Image is not vehicle specific 04 2004 Audi A4 Brake Booster OES Genuine Retail Price: $318.00 Your Price: $275.75 Quantity: Part Number: W0133-1836073 Notes: 7"/8" Dual Diaphram *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks ** TRW/Lucas Brand, Not Interchangable w/ATE Units** **It May Be Necessary to Remove Spacer and or Gasket Between Booster and Mounting Flange to Accommodate New Booster Mounting** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  2004 Audi A4

Click to Enlarge 03 2003 Audi A4 Brake Booster OES Genuine Retail Price: $318.00 Your Price: $272.75 Quantity: Part Number: W0133-1737151 Notes: 7"/8" Dual Diaphram *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks ** TRW/Lucas Brand, Not Interchangable w/ATE Units** **It May Be Necessary to Remove Spacer and or Gasket Between Booster and Mounting Flange to Accommodate New Booster Mounting** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  2003 Audi A4

Image is not vehicle specific 02 2002 Audi A4 Brake Booster OES Genuine Retail Price: $318.00 Your Price: $275.75 Quantity: Part Number: W0133-1836073 Notes: 7"/8" Dual Diaphram *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks ** TRW/Lucas Brand, Not Interchangable w/ATE Units** **It May Be Necessary to Remove Spacer and or Gasket Between Booster and Mounting Flange to Accommodate New Booster Mounting** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  2002 Audi A4

Click to Enlarge 01 2001 Audi A4 Brake Booster OES Genuine Retail Price: $419.00 Your Price: $345.75 Quantity: Part Number: W0133-1597658 Notes: *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks **TRW/Lucas Brand, NOT Interchangable w/ATE** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day This Product Fits the Following:   Vehicle •  2001 Audi A4

Image is not vehicle specific 00 2000 Audi A4 Brake Booster TRW Retail Price: $419.00 Your Price: $263.75 Quantity: Part Number: W0133-1597658 Notes: *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks **TRW/Lucas Brand, NOT Interchangable w/ATE** Availability: In Stock Shipping Options: Ground, Overnight, 2 Day OEM This Product Fits the Following:   Vehicle •  2000 Audi A4

Click to Enlarge 99 1999 Audi A4 Brake Booster 2.8L V6 TRW Retail Price: $300.00 Your Price: $185.75 Quantity: Part Number: W0133-1606811 Notes: *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks Availability: In Stock Shipping Options: Ground, Overnight, 2 Day OEM This Product Fits the Following:   Vehicle Engine •  1999 Audi A4 2.8L V6

Click to Enlarge 97 1997 Audi A4 Brake Booster 2.8L V6 AFC TRW Retail Price: $300.00 Your Price: $185.75 Quantity: Part Number: W0133-1606811 Notes: *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks Availability: In Stock Shipping Options: Ground, Overnight, 2 Day OEM This Product Fits the Following:   Vehicle Engine •  1997 Audi A4 2.8L V6 AFC

Click to Enlarge 96 1996 Audi A4 Brake Booster 2.8L V6 TRW Retail Price: $300.00 Your Price: $185.75 Quantity: Part Number: W0133-1606811 Notes: *Proper Alignment During Installation is Critical to Assure No Vacuum Leaks Availability: In Stock Shipping Options: Ground, Overnight, 2 Day OEM This Product Fits the Following:   Vehicle Engine •  1996 Audi A4 2.8L V6