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Standard Ignition ALS2874 Tire Pressure Monitoring System (TPMS) Sensor - Rear
Standard Ignition ALS2874 TPMS Sensor Overview
Standard Ignition ALS2874 is a tire pressure monitoring system sensor assembly for rear spindle mounting applications. It is listed for 2014-2018 Mazda 3 rear models built in Mexico, with a no-programming-required note on 2014-2017 Mazda 3 rear applications when installed and relearned using the OEM factory procedure.
Key Features
- Part number ALS2874 TPMS sensor for tire and wheel sensor service
- Bolt-mount design with a spindle mounting location
- Includes a wiring harness with a 40.5-inch harness length
- 2-wire construction with a rectangular 1-connector layout
- Blade terminal type with male connector and female terminals
- Bracket and mounting bracket(s) included for installation support
- Black, white, and silver finish
Detailed Description
ALS2874 is a Standard Ignition tire pressure monitoring system sensor built for rear spindle applications on the Mazda 3. The sensor uses a bolt-mount attachment method, a rectangular connector, and a 2-wire harness layout to support the vehicle’s TPMS-related wheel-end setup. For fitment-specific searches, this part is listed for 2014-2018 Mazda 3 rear models built in Mexico, and 2014-2017 Mazda 3 rear models built in Mexico with OEM factory relearn procedure guidance. This part cross-references 2ABS3945 and ABS2874 for the same application.
What It Is Used For
- Replacing a failed rear TPMS sensor on a Mazda 3
- Restoring tire pressure monitoring system communication after sensor fault codes
- Addressing TPMS warning lights caused by sensor or harness issues
- Correcting wheel-end sensor problems tied to rear spindle mounting
- Supporting OEM relearn procedures after sensor installation
Installation Notes and Tips
Verify rear fitment by year, build origin, and application notes before installation. This ALS2874 sensor uses a bolt-mount spindle location and a 2-wire harness, so connector orientation and bracket placement should match the original configuration. For 2014-2017 Mazda 3 rear applications, install the sensor and follow the OEM factory relearn procedure. Confirm all TPMS system checks after installation to ensure the vehicle recognizes the new sensor.
Quality Assurance
Standard Ignition supplies automotive electrical and sensor components for service replacement applications. ALS2874 is cataloged with defined connector, harness, and mounting specifications to support accurate part matching for Mazda 3 rear TPMS service.
| Brand | Standard Ignition |
|---|---|
| Part Number | ALS2874 |
| Mounting Hardware Included | No |
| Terminal Quantity | 2 |
| Connector Gender | Male |
| Terminal Gender | Female |
| Wiring Harness Included | Yes |
| Attachment Method | Bolt mount |
| Color/Finish | Black, white, silver |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Dust Shield Included | No |
| Hardware Included | Bracket |
| Harness Length - inches | 40.5 |
| Harness Length - mm | 1028.7 |
| Mounting Bracket(s) Included | Yes |
| Mounting Hole Quantity | 1 |
| Mounting Location | Spindle |
| Mounting Type | Bolt mount |
| Number of Bolt Holes | 2 |
| Number of wires | 2 |
| Terminal Type | Blade |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Mazda | 3 | Rear | Buit in Mexico |
| 2017 | Mazda | 3 | Rear | Buit in Mexico; No programming required. Install sensor and follow the OEM factory relearn procedure. |
| 2017 | Mazda | 3 | Rear | Buit in Mexico |
| 2016 | Mazda | 3 | Rear | Buit in Mexico; No programming required. Install sensor and follow the OEM factory relearn procedure. |
| 2016 | Mazda | 3 | Rear | Buit in Mexico |
| 2015 | Mazda | 3 | Rear | Buit in Mexico; No programming required. Install sensor and follow the OEM factory relearn procedure. |
| 2015 | Mazda | 3 | Rear | Buit in Mexico |
| 2014 | Mazda | 3 | Rear | Buit in Mexico; No programming required. Install sensor and follow the OEM factory relearn procedure. |
| 2014 | Mazda | 3 | Rear | Buit in Mexico |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.