HomeTransmission > SensorsStandard Ignition SC154 Manual Transmission Input Shaft Speed Sensor
Part #: SC154

Standard Ignition SC154 Manual Transmission Input Shaft Speed Sensor

⚙️ 47 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, Ford, and Mercury, 2, 3, 6, 5, CX-7, Fusion, Milan, MX-5, MX-5 Miata, Protege, and Protege5
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Reliable Manual Transmission Input Shaft Speed Sensor

The Standard Ignition SC154 Manual Transmission Input Shaft Speed Sensor is designed to provide accurate speed readings for your vehicle's transmission system. Engineered for compatibility with select Ford, Mazda, and Mercury models, this sensor ensures precise data transmission to your vehicle's control module.

  • Attachment Method: Bolt mount for secure installation
  • Color/Finish: Durable black finish
  • Connector Type: Female, rectangular plug-in connector
  • Number of Connectors: 1 with 3 blade terminals
  • OEM Replacement: Yes, new part
  • Mounting: Single mounting hole with bolt mount design
  • Hardware and mounting brackets not included

Product Details and Specifications

The SC154 sensor features a bolt mount attachment method with a single mounting hole, allowing for straightforward installation on compatible manual transmissions. Its black finish provides corrosion resistance and durability under typical operating conditions. The sensor includes a female rectangular plug-in connector with three male blade terminals, ensuring a secure electrical connection without the need for additional wiring harnesses. This new, OEM replacement sensor is designed to meet factory specifications for reliable performance.

Compatible Vehicles and Applications

This Manual Transmission Input Shaft Speed Sensor is compatible with various Ford, Mazda, and Mercury models, including the Ford Fusion, Mercury Milan, Mazda Protege, Protege5, MX-5 Miata, CX-7, and others. The SC154 part number corresponds to these specific applications, making it a suitable replacement for vehicles requiring precise input shaft speed monitoring.

Common Issues Addressed by the SC154 Sensor

  • Erratic or inaccurate transmission speed readings
  • Transmission shifting problems or delayed gear engagement
  • Check engine light triggered by transmission sensor faults
  • Intermittent loss of speed signal affecting vehicle performance
  • Diagnostic trouble codes related to input shaft speed sensor failure

Installation Notes and Tips

Installation requires removal of the old sensor and mounting the SC154 sensor using the bolt mount method. Ensure the mounting hole aligns properly and the connector is securely plugged in. Since mounting hardware and brackets are not included, reuse existing components or acquire appropriate hardware separately. Verify the electrical connection is clean and free of corrosion before installation to maintain signal integrity.

Quality Assurance and Warranty

Standard Ignition provides this SC154 sensor as a new OEM replacement part, manufactured to meet original equipment standards. While hardware is not included, the sensor undergoes quality checks to ensure reliable operation. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberSC154
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
Mounting LocationTrans Mount
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypeBlade

This part fits 47 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2015Mazda52.5LL4N/A
2014Mazda2N/A
2014Mazda52.5LL4N/A
2013Mazda2N/A
2013Mazda3N/A
2013Mazda52.5LL4N/A
2013Mazda6N/A
2012Mazda2N/A
2012Mazda3N/A
2012Mazda5N/A
2012Mazda6N/A
2011Mazda2N/A
2011Mazda3N/A
2011Mazda6N/A
2010Mazda3N/A
2010Mazda52.3LL4N/A
2010MazdaCX-72.5LL4N/A
2009FordFusionAutomaticN/A
2009Mazda3N/A
2009Mazda52.3LL4N/A
2009MercuryMilanAutomaticN/A
2008FordFusionAutomaticN/A
2008Mazda3AutomaticN/A
2008Mazda3N/A
2008Mazda52.3LL4N/A
2008MazdaMX-5N/A
2008MercuryMilanAutomaticN/A
2007FordFusionAutomaticN/A
2007Mazda3AutomaticN/A
2007Mazda3N/A
2007Mazda52.3LL4N/A
2007MercuryMilanAutomaticN/A
2006FordFusionAutomaticN/A
2006Mazda3AutomaticN/A
2006Mazda3N/A
2006Mazda52.3LL4N/A
2006MazdaMX-5 MiataN/A
2006MercuryMilanAutomaticN/A
2005Mazda3AutomaticN/A
2005Mazda3N/A
2004Mazda3AutomaticN/A
2004Mazda3N/A
2004Mazda6Automatic2.3LL4N/A
2003MazdaProtegeAutomatic2.0LL4N/A
2002MazdaProtege5AutomaticN/A
2001MazdaProtegeAutomaticN/A
2000MazdaProtegeAutomatic1.6LL4N/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:

090-504713-01662VSS00815S4923600622972-391174074917-649DY1214FN1121551SN7139SU11040VSS739

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