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
Select your vehicle to confirm fitment
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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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Manual Transmission Input Shaft Speed Sensor SC154

Standard Ignition SC154 is a new OE replacement manual transmission input shaft speed sensor for select Mazda, Ford, and Mercury applications. It uses a bolt-mount design with a rectangular plug-in connector and 3 blade terminals for direct replacement service.

Key Features

  • Manual transmission input shaft speed sensor
  • OE replacement design for factory-style fit and function
  • Bolt mount attachment with 1 mounting hole
  • Female rectangular connector, plug-in type
  • 3 male blade terminals
  • Black finish
  • New part with no wiring harness, bracket, or mounting hardware included

Application Details

Compatible with 2000-2001 Mazda Protege, 2002 Mazda Protege5, 2003 Mazda Protege, 2004-2013 Mazda 3, 2004 Mazda 6, 2006-2009 Ford Fusion, 2006-2009 Mercury Milan, 2006 Mazda MX-5 Miata, 2006-2010 Mazda 5, 2008 Mazda MX-5, 2010 Mazda CX-7, 2011-2014 Mazda 2, 2011-2013 Mazda 6, and 2012-2015 Mazda 5. Standard Ignition SC154 is also listed under cross-reference part number SC154T for the same application.

What It Helps Resolve

  • Erratic or missing transmission input speed signal
  • Transmission control concerns related to shaft speed data
  • Illumination of speed-sensor-related warning lights
  • Shifting issues caused by inaccurate sensor input
  • Diagnostic trouble codes tied to manual transmission speed sensing

Installation Notes

Verify connector shape, terminal style, and bolt-mount location before installation. Inspect the transmission connector and wiring for corrosion, bent terminals, or damaged seals, and confirm the sensor seats fully against the housing. Always compare the original part number and vehicle application before service on Mazda 3, Mazda 5, Mazda 6, Ford Fusion, or Mercury Milan models.

Quality Assurance

Standard Ignition supplies this SC154 as a new OE replacement sensor built to match factory-style fitment requirements for the listed manual transmission applications.

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.