HomeBody > SensorsStandard Ignition BSD139 Blind Spot Detection System Warning Sensor - Right
Part #: BSD139

Standard Ignition BSD139 Blind Spot Detection System Warning Sensor - Right

Right
20 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, and GMC, Enclave, Equinox, Regal Sportback, Regal TourX, Terrain, and Traverse
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Blind Spot Detection Sensor for Right Side

Standard Ignition BSD139 is a blind spot detection system warning sensor for the right side of the vehicle. It is built with a female connector, one connector interface, and an 8-pin male terminal layout for direct electrical matching in the blind spot monitoring circuit.

Key Features

  • Blind spot detection system warning sensor for right-side placement
  • Female connector with 1 connector interface
  • 8-pin male terminal design with pin-style terminals
  • Direct replacement for select GMC, Buick, and Chevrolet applications
  • Standard Ignition BSD139 part number for catalog and service matching

Detailed Description

Standard Ignition BSD139 is used in blind spot monitoring systems to support warning sensor operation on the right side of the vehicle. It matches the connector and terminal configuration needed for service replacement and is listed for 2018-2022 GMC Terrain, right; 2018-2021 Buick Enclave, right; 2021 Chevrolet Equinox, right; 2018-2021 Chevrolet Traverse, right; 2018-2020 Buick Regal Sportback, right; and 2018-2020 Buick Regal TourX, right. If you are searching for a right blind spot detection sensor for GMC Terrain, Buick Enclave, or Chevrolet Traverse applications, BSD139 is the catalog reference to use.

This part cross-references Monroe Shocks & Struts (e.g., 861-185, 84129136) for the same application.

What It Helps Fix

  • Blind spot warning indicator faults on the right side
  • Sensor-related diagnostic trouble codes in the blind spot monitoring system
  • Loss of lane-change alert function from the right rear detection area
  • Electrical connection issues at the sensor due to connector or terminal mismatch
  • Service replacement needs for right-side blind spot detection hardware

Installation Notes and Tips

Verify the vehicle’s original connector style, terminal count, and right-side location before installation. Confirm fitment by year, make, model, and position for the exact application. For 2018-2022 GMC Terrain, 2018-2021 Buick Enclave, and 2018-2021 Chevrolet Traverse right-side service, match BSD139 to the existing sensor configuration and follow the vehicle service procedure for calibration or system relearn if required by the repair.

Quality Assurance

Standard Ignition supplies replacement electrical and sensor components for service applications, and BSD139 is cataloged to match the specified blind spot detection sensor configuration for the listed vehicles.

BrandStandard Ignition
Part NumberBSD139
Connector GenderFemale
Connector Quantity1
Terminal GenderMale
Terminal Quantity8
Terminal TypePin

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2022GMCTerrainRight
2021BuickEnclaveRight
2021ChevroletEquinoxRight
2021ChevroletTraverseRight
2021GMCTerrainRight
2020BuickEnclaveRight
2020BuickRegal SportbackRight
2020BuickRegal TourXRight
2020ChevroletTraverseRight
2020GMCTerrainRight
2019BuickEnclaveRight
2019BuickRegal SportbackRight
2019BuickRegal TourXRight
2019ChevroletTraverseRight
2019GMCTerrainRight
2018BuickEnclaveRight
2018BuickRegal SportbackRight
2018BuickRegal TourXRight
2018ChevroletTraverseRight
2018GMCTerrainRight

* 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:

84129136861-185BDSB10024BSN139BSW143

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