HomeTransmission > SensorsStandard Ignition SC349 Automatic Transmission Output Shaft Speed Sensor
Part #: SC349

Standard Ignition SC349 Automatic Transmission Output Shaft Speed Sensor

4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, Millenia and MPV
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Overview of Standard Ignition SC349 Output Shaft Speed Sensor

The Standard Ignition SC349 is a reliable automatic transmission output shaft speed sensor designed specifically for Mazda Millenia and MPV models. This sensor plays a crucial role in monitoring transmission speed to ensure smooth shifting and optimal vehicle performance.

  • Bolt mount attachment method for secure installation
  • Silver color finish for corrosion resistance
  • Male rectangular plug-in connector with one connector and two blade terminals
  • Includes mounting bracket with one mounting hole
  • No wiring harness or additional hardware included

Detailed Product Description

The SC349 output shaft speed sensor from Standard Ignition is engineered to provide accurate speed data from the automatic transmission output shaft. Featuring a bolt mount design, this sensor ensures a firm and stable fitment on compatible Mazda Millenia and MPV vehicles. The sensor’s silver finish offers durability against environmental factors, while the male rectangular plug-in connector simplifies electrical connections. It includes a mounting bracket with a single mounting hole to facilitate proper alignment and secure attachment. The sensor has two male blade terminals, designed for reliable electrical contact without the need for additional wiring harnesses or hardware.

Compatible Vehicles and Applications

This sensor is compatible with the following Mazda models:

  • Mazda Millenia
  • Mazda MPV

It is intended for use in automatic transmission systems to monitor output shaft speed, which is essential for transmission control modules to regulate shifting and maintain drivability.

Common Issues Addressed by SC349 Sensor

  • Erratic or harsh automatic transmission shifting
  • Transmission slipping or delayed engagement
  • Check engine or transmission warning lights related to speed sensor faults
  • Inaccurate speedometer readings linked to transmission output
  • Transmission failure to shift into correct gears

Installation Notes and Tips

  • Ensure the vehicle is safely lifted and supported before sensor replacement
  • Disconnect the battery to prevent electrical shorts during installation
  • Remove the old sensor carefully to avoid damage to the mounting bracket or wiring
  • Use the included mounting bracket and bolt mount method for secure installation
  • Verify connector engagement and terminal contact before reassembling

Quality Assurance and Warranty

Standard Ignition manufactures the SC349 sensor to meet or exceed OEM specifications for fit, form, and function. While hardware is not included, the sensor comes with a mounting bracket to facilitate proper installation. Standard Ignition products typically include a limited warranty against defects in materials and workmanship; please refer to the manufacturer’s warranty terms for specific coverage details.

BrandStandard Ignition
Part NumberSC349
Connector GenderMale
Connector ShapeRectangular
Connector TypePlug In
Mounting LocationOn Transimission
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypeBlade

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2002MazdaMilleniaN/A
2001MazdaMilleniaN/A
2001MazdaMPVN/A
2000MazdaMPVN/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:

090-506113-03475S490072-388775642FU2B21550SN7284SU6283VSS884

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