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Standard Ignition BST156 Power Brake Booster Vacuum SensorOE Quality 60-Day Returns
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Part #: BST156

Standard Ignition BST156 Power Brake Booster Vacuum Sensor

⚙️ 66 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, R8, A6 Quattro, S5, Q7, A4, A4 Quattro, RS4, S4, Passat, RS6, and A6
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Overview of Standard Ignition Power Brake Booster Vacuum Sensor BST156

The Standard Ignition Power Brake Booster Vacuum Sensor BST156 is designed for precise monitoring of vacuum pressure in the brake booster system. This sensor is compatible with select Audi and Volkswagen models, ensuring reliable brake system performance.

  • Attachment Method: Bolt on for secure installation
  • Color/Finish: Black for corrosion resistance
  • Connector Type: Female, plug-in with an oval shape
  • Connector Quantity: 1 connector for streamlined connection
  • Terminal Type: Male blade terminals, quantity of 4
  • Contents: Includes the sensor unit only

Detailed Product Description

The BST156 power brake booster vacuum sensor from Standard Ignition is engineered to provide accurate vacuum pressure readings to the brake system control module. Featuring a bolt-on attachment method, this sensor ensures a firm and stable fit within the brake booster assembly. The black finish offers durability against environmental factors, while the female oval plug-in connector simplifies electrical connections. With four male blade terminals, the sensor supports reliable signal transmission. This sensor is specifically designed for use in Audi models such as A4, A4 Quattro, A6, A6 Quattro, R8, RS4, RS6, S4, and S5, as well as Volkswagen models including Passat and Q7.

Compatible Vehicles and Applications

This power brake booster vacuum sensor is compatible with the following makes and models:

  • Audi A4 and A4 Quattro
  • Audi A6 and A6 Quattro
  • Audi R8, RS4, RS6, S4, and S5
  • Volkswagen Passat and Q7

Common Issues Addressed by the BST156 Sensor

  • Inaccurate brake booster vacuum pressure readings
  • Brake pedal feel inconsistencies or hardness
  • Brake system warning lights related to vacuum sensor faults
  • Reduced brake assist performance
  • Intermittent or failed sensor electrical connections

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled before installation
  • Use the bolt-on attachment method to secure the sensor firmly
  • Verify the female oval plug-in connector is properly seated
  • Check that all four male blade terminals are clean and undamaged
  • Consult the vehicle’s service manual for specific torque specifications

Quality Assurance and Warranty

Standard Ignition manufactures the BST156 sensor to meet or exceed OEM specifications for fit, form, and function. Each sensor undergoes rigorous testing to ensure durability and performance. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberBST156
Connector GenderFemale
Connector ShapeOval
Connector TypePlug In
Terminal GenderMale
Terminal TypeBlade

This part fits 66 vehicles. Search below:

YearMakeModelPositionNotes
2012AudiR8N/A
2011AudiA6 QuattroN/A
2011AudiR8N/A
2011AudiS5N/A
2010AudiA6 QuattroN/A
2010AudiQ7N/A
2010AudiR8N/A
2010AudiS5N/A
2009AudiA4N/A
2009AudiA4 QuattroN/A
2009AudiA6 QuattroN/A
2009AudiQ7N/A
2009AudiR8N/A
2009AudiS5N/A
2008AudiA4N/A
2008AudiA4 QuattroN/A
2008AudiA6 QuattroN/A
2008AudiQ7N/A
2008AudiR8N/A
2008AudiRS4N/A
2008AudiS4N/A
2008AudiS5N/A
2007AudiA4N/A
2007AudiA4 QuattroN/A
2007AudiA6 QuattroN/A
2007AudiQ7N/A
2007AudiRS4N/A
2007AudiS4N/A
2006AudiA4N/A
2006AudiA4 QuattroN/A
2006AudiA6 QuattroN/A
2006AudiS4N/A
2005AudiA4N/A
2005AudiA4 QuattroN/A
2005AudiA6 QuattroN/A
2005AudiS4N/A
2005VolkswagenPassatN/A
2004AudiA4N/A
2004AudiA4 QuattroN/A
2004AudiS4N/A
2004VolkswagenPassatN/A
2003AudiA4N/A
2003AudiA4 QuattroN/A
2003AudiRS6N/A
2003VolkswagenPassatN/A
2002AudiA4N/A
2002AudiA4 QuattroN/A
2002AudiA6 QuattroN/A
2002VolkswagenPassatN/A
2001AudiA4N/A
2001AudiA4 QuattroN/A
2001AudiA6N/A
2001AudiA6 QuattroN/A
2001AudiS4N/A
2001VolkswagenPassatN/A
2000AudiA4N/A
2000AudiA4 QuattroN/A
2000AudiA6N/A
2000AudiA6 QuattroN/A
2000AudiS4N/A
1999AudiA4N/A
1999AudiA4 QuattroN/A
1999AudiA6N/A
1999AudiA6 QuattroN/A
1998AudiA6N/A
1998AudiA6 QuattroN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

036906051CBBST156MSSB10026NBST611V10721129

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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