Standard Ignition ALS2878 Tire Pressure Monitoring System (TPMS) Sensor - Front or Front Left

Brand Standard Ignition ALS2878
Position Front Left and Front
Fits Mazda · 9 vehicles

Bolt-mount design. Installs securely with a single bolt hole.

Square connector. Uses a female connector for a clean electrical connection.

Wheel-mounted sensor. Monitors tire pressure through the TPMS system.

Cross-references Autotecnica MA1321901, Beck/Arnley 084-5032 and HOLSTEIN 2ABS3011 for the same application. See all 11.

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Standard Ignition ALS2878 TPMS Sensor Overview

Standard Ignition ALS2878 is a tire pressure monitoring system sensor for select Mazda 3 applications. It mounts at the wheel with a bolt-mount design and uses a square female connector with a 35.5-inch harness for the specified vehicle fitment.

Compatible With 2014-2018 Mazda 3 front and 2014-2017 Mazda 3 front left applications, including Japan-built models noted in the fitment data. Standard Ignition ALS2878 is a direct-fit TPMS sensor option for drivers replacing a failed wheel-mounted sensor on the Mazda 3.

Key Features

  • Part number: ALS2878
  • Tire Pressure Monitoring System (TPMS) sensor for wheel mounting
  • Bolt-mount design with one bolt hole
  • Female square connector, 1 connector, 2 terminals
  • 35.5-inch harness length
  • Fits select 2014-2018 Mazda 3 front applications
  • Fits select 2014-2017 Mazda 3 front left applications

Detailed Product Description

Standard Ignition ALS2878 is built for wheel-mounted TPMS service on the Mazda 3, with fitment listed for 2014-2018 front positions and 2014-2017 front left applications. The sensor uses a bolt-mount installation style and a female square connector layout, along with a 35.5-inch harness and pin-style terminals for the specified application.

This part cross-references Beck/Arnley 084-5032 and Autotecnica MA1321901 for the same application. If you are searching for a Mazda 3 TPMS sensor replacement, ALS2878 provides a fitment-specific option for Japan-built vehicles noted in the catalog data.

Common Problems This Part Can Address

  • TPMS warning light caused by a failed wheel sensor
  • Inaccurate tire pressure readings from a damaged sensor
  • Sensor communication issues after wheel or tire service
  • Replacement needs after corrosion, impact, or battery-related sensor failure
  • Restoring proper TPMS function on Mazda 3 front wheel applications

Installation Notes and Tips

Install the sensor at the wheel location specified by the vehicle application and follow the OEM factory relearn procedure noted for the 2014-2017 Mazda 3 front left fitment. Confirm connector shape, terminal layout, and harness length before installation. No programming is required for the listed application notes.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and sensor components. ALS2878 is cataloged with application-specific fitment data to support accurate replacement selection for the listed Mazda 3 vehicles.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2018Mazda3FrontMade in Japan
2017Mazda3Front LeftBuilt In Japan; No programming required. Install sensor and follow the OEM factory relearn procedure.
2017Mazda3FrontMade in Japan
2016Mazda3Front LeftBuilt In Japan; No programming required. Install sensor and follow the OEM factory relearn procedure.
2016Mazda3FrontMade in Japan
2015Mazda3Front LeftBuilt In Japan; No programming required. Install sensor and follow the OEM factory relearn procedure.
2015Mazda3FrontMade in Japan
2014Mazda3Front LeftBuilt In Japan; No programming required. Install sensor and follow the OEM factory relearn procedure.
2014Mazda3FrontMade in Japan
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Autotecnica — MA1321901Beck/Arnley — 084-5032HOLSTEIN — 2ABS3011Standard Ignition — ALS2877Standard Ignition — ALS28785S15627533249ABS2878ABSD30854ARC2147B45A4370X