HomeBody > SensorsStandard Ignition BSD21 Blind Spot Detection System Warning Sensor - Left
Part #: BSD21

Standard Ignition BSD21 Blind Spot Detection System Warning Sensor - Left

Left
⚙️ 10 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Lincoln, Flex, Edge, and MKX
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Overview of Standard Ignition BSD21 Blind Spot Detection Sensor

The Standard Ignition BSD21 is a precision-engineered blind spot detection system warning sensor designed for select Ford and Lincoln vehicles. This sensor enhances vehicle safety by providing reliable blind spot monitoring for models such as the Ford Edge, Ford Flex, and Lincoln MKX.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Terminal Gender: Male
  • Terminal Quantity: 6
  • Compatible with Ford Edge, Ford Flex, and Lincoln MKX
  • Part Number: BSD21

Technical Details and Attributes

The BSD21 sensor features a female connector with a single connection point, ensuring a secure and stable electrical interface. It includes six male terminals, which facilitate precise signal transmission within the blind spot detection system. These specifications are critical for maintaining the integrity of the sensor's communication with the vehicle's onboard safety systems.

Designed specifically for the Ford Edge, Ford Flex, and Lincoln MKX, this sensor integrates seamlessly with the existing blind spot detection modules, supporting accurate and timely warnings to the driver.

Functionality and Application

This blind spot detection system warning sensor is used to detect vehicles or objects in the blind spot areas of compatible Ford and Lincoln models. It plays a key role in alerting drivers to potential hazards that may not be visible through mirrors alone.

  • Improves detection of vehicles in blind spots
  • Reduces risk of side collisions during lane changes
  • Supports the vehicle’s safety alert system functionality
  • Helps maintain compliance with modern vehicle safety standards

Installation Notes and Tips

When installing the Standard Ignition BSD21 sensor, ensure the female connector aligns correctly with the vehicle’s wiring harness. Verify that all six male terminals are securely connected to avoid signal loss or malfunction. It is recommended to consult the vehicle’s service manual for specific installation procedures related to the Ford Edge, Ford Flex, or Lincoln MKX blind spot detection systems.

Proper installation is essential for the sensor to function correctly within the vehicle’s safety network.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The BSD21 sensor undergoes rigorous quality control testing to maintain consistent functionality. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or region.

BrandStandard Ignition
Part NumberBSD21
Connector GenderFemale
Terminal GenderMale

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2018FordFlexN/A
2017FordFlexN/A
2016FordFlexN/A
2015FordFlexN/A
2014FordEdgeLeft
2014FordFlexN/A
2014LincolnMKXLeft
2013FordEdgeLeft
2013FordFlexN/AFrom 6/20/12
2013LincolnMKXLeft

* 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:

601-274861-036BSN21BSW21DA8Z14C689C

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