HomeBrake > SensorsStandard Ignition BST157 Power Brake Booster Vacuum Sensor
Part #: BST157

Standard Ignition BST157 Power Brake Booster Vacuum Sensor

113 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chrysler, Jeep, Ram, and Dodge, 300, Gladiator, Wrangler, 1500, Challenger, Charger, Durango, Grand Cherokee, Dart, Town & Country, and Grand Caravan
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Overview of Standard Ignition Power Brake Booster Vacuum Sensor BST157

The Standard Ignition Power Brake Booster Vacuum Sensor BST157 is designed to provide accurate vacuum pressure readings for power brake systems. This sensor is compatible with various Chrysler, Dodge, Jeep, and Ram models, ensuring reliable brake performance and safety.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Oval
  • Connector Type: Plug
  • Terminal Gender: Male
  • Terminal Quantity: 3
  • Terminal Type: Blade

Detailed Product Description

The BST157 power brake booster vacuum sensor from Standard Ignition features a single female oval plug connector designed for secure and precise electrical connections. It includes three male blade terminals that ensure consistent signal transmission to the vehicle’s brake control system. This sensor is engineered to monitor vacuum pressure within the power brake booster, providing critical data to maintain optimal brake assist function.

Compatible with a range of Chrysler, Dodge, Jeep, and Ram vehicles—including the Chrysler 300, Dodge Challenger, Charger, Dart, Durango, Grand Caravan, Jeep Grand Cherokee, Wrangler, Ram 1500 and 1500 Classic, Pacifica, Town & Country, and Voyager—this sensor meets OEM specifications for fit and function.

Common Applications and Issues Addressed

  • Helps resolve inconsistent brake pedal feel or hardness
  • Addresses vacuum leaks affecting brake booster performance
  • Prevents brake assist failure due to faulty vacuum sensor readings
  • Supports proper operation of brake system warning lights
  • Improves overall braking response and safety

Installation Notes and Tips

  • Ensure the female oval plug connector aligns correctly with the vehicle harness
  • Verify the three male blade terminals are securely seated to avoid signal loss
  • Inspect the brake booster vacuum line for leaks before installation
  • Follow vehicle-specific service manual instructions for sensor replacement
  • Test brake pedal response after installation to confirm proper function

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The BST157 power brake booster vacuum sensor undergoes rigorous quality control testing. Warranty coverage details should be confirmed based on the original purchase source and vehicle application.

BrandStandard Ignition
Part NumberBST157
Connector GenderFemale
Connector ShapeOval
Connector TypePlug
Terminal GenderMale
Terminal TypeBlade

This part fits 113 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025ChryslerPacifica3.6LV6N/A
2025JeepWranglerN/A
2024ChryslerPacifica3.6LV6N/A
2024ChryslerVoyager3.6LV6N/A
2024DodgeDurangoN/A
2024JeepWranglerN/A
2024Ram1500N/A
2024Ram1500 ClassicN/A
2023Chrysler300N/A
2023ChryslerPacifica3.6LV6N/A
2023ChryslerVoyager3.6LV6N/A
2023DodgeChallengerN/A
2023DodgeChargerN/A
2023DodgeDurangoN/A
2023JeepWranglerN/A
2023Ram1500N/A
2023Ram1500 ClassicN/A
2022Chrysler300N/A
2022ChryslerPacifica3.6LV6N/A
2022ChryslerVoyager3.6LV6N/A
2022DodgeChallengerN/A
2022DodgeChargerN/A
2022DodgeDurangoN/A
2022JeepWranglerN/A
2022Ram1500N/A
2022Ram1500 ClassicN/A
2021Chrysler300N/A
2021ChryslerPacifica3.6LV6N/A
2021ChryslerVoyager3.6LV6N/A
2021DodgeChallengerN/A
2021DodgeChargerN/A
2021DodgeDurangoN/A
2021JeepGrand CherokeeN/A
2021JeepWranglerN/A
2021Ram1500N/A
2021Ram1500 ClassicN/A
2020Chrysler300N/A
2020ChryslerPacifica3.6LV6N/A
2020ChryslerVoyager3.6LV6N/A
2020DodgeChallengerN/A
2020DodgeChargerN/A
2020DodgeDurangoN/A
2020JeepGrand CherokeeN/A
2020JeepWranglerN/A
2020Ram1500N/A
2020Ram1500 ClassicN/A
2019Chrysler300N/A
2019ChryslerPacifica3.6LV6N/A
2019DodgeChallengerN/A
2019DodgeChargerN/A
2019DodgeDurangoN/A
2019JeepGrand CherokeeN/A
2019JeepWranglerN/A
2019Ram1500N/A
2019Ram1500 ClassicN/A
2018Chrysler300N/A
2018ChryslerPacifica3.6LV6N/A
2018DodgeChallengerN/A
2018DodgeChargerN/A
2018DodgeDurangoN/A
2018JeepGrand CherokeeN/A
2018JeepWranglerN/A
2018Ram1500N/A
2017Chrysler300N/A
2017ChryslerPacifica3.6LV6N/A
2017DodgeChallengerN/A
2017DodgeChargerN/A
2017DodgeDurangoN/A
2017JeepGrand CherokeeN/A
2017Ram1500N/A
2016Chrysler300N/A
2016DodgeChargerN/A
2016DodgeDartN/A
2016DodgeDurangoN/A
2016JeepGrand CherokeeN/A
2016Ram1500N/A
2015Chrysler300N/A
2015DodgeChallengerN/A
2015DodgeChargerN/A
2015DodgeDartN/A
2015DodgeDurangoN/A
2015JeepGrand CherokeeN/A
2015Ram1500N/A
2014Chrysler300N/A
2014DodgeChallengerN/A
2014DodgeChargerN/A
2014DodgeDartN/A
2014DodgeDurangoN/A
2014JeepGrand CherokeeN/A
2014Ram1500N/A
2013Chrysler300N/A
2013ChryslerTown & CountryN/A
2013DodgeChallengerN/A
2013DodgeChargerN/A
2013DodgeDartN/A
2013DodgeDurangoN/A
2013DodgeGrand CaravanN/A
2013JeepGrand CherokeeN/A
2013Ram1500N/A
2012Chrysler300N/A
2012ChryslerTown & CountryN/A
2012DodgeChallengerN/A
2012DodgeChargerN/A
2012DodgeDurangoN/A
2012DodgeGrand CaravanN/A
2012JeepGrand CherokeeN/A
2011Chrysler300N/A
2011ChryslerTown & CountryN/A
2011DodgeChallengerN/A
2011DodgeChargerN/A
2011DodgeDurangoN/A
2011DodgeGrand CaravanN/A
2011JeepGrand CherokeeN/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:

68053596AABBST157MSSA25NBST612

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