HomeTransmission > SensorsStandard Ignition SC373 Automatic Transmission Output Shaft Speed Sensor
Part #: SC373

Standard Ignition SC373 Automatic Transmission Output Shaft Speed Sensor

⚙️ 7 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Altima and Quest
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Reliable Automatic Transmission Output Shaft Speed Sensor

The Standard Ignition SC373 is designed to provide accurate vehicle speed data for Nissan Altima and Quest models. This automatic transmission output shaft speed sensor ensures precise monitoring of transmission output shaft speed, contributing to smooth shifting and optimal transmission performance.

  • Bolt mount attachment method for secure installation
  • Grey color finish for corrosion resistance
  • Single female rectangular plug-in connector
  • Includes wiring harness for direct connection
  • Two-wire design with male blade terminals
  • One mounting hole for easy fitment

Product Details and Specifications

The SC373 sensor from Standard Ignition features a bolt mount design that allows for a stable and secure fit on the transmission output shaft. Its grey finish helps resist environmental wear, while the single female rectangular plug-in connector simplifies electrical connections. The sensor includes a wiring harness, facilitating straightforward installation without additional wiring modifications. Equipped with two wires and male blade terminals, this sensor is engineered to maintain reliable signal transmission. The single mounting hole ensures proper alignment and fitment on compatible Nissan vehicles.

Compatible Nissan Models and Applications

This automatic transmission output shaft speed sensor is compatible with Nissan Altima and Nissan Quest models, providing accurate speed data essential for transmission control modules. It is designed to replace faulty or worn sensors that may cause shifting delays, erratic speedometer readings, or transmission performance issues.

  • Corrects inaccurate vehicle speed readings
  • Resolves transmission shifting delays or harsh shifts
  • Prevents erratic speedometer behavior
  • Helps avoid transmission error codes related to speed sensor faults
  • Supports smooth automatic transmission operation

Installation Notes and Tips

Installation requires removal of the old sensor and mounting the SC373 using the bolt mount method. Ensure the connector is fully seated and the wiring harness is properly routed to avoid damage. No additional mounting brackets or hardware are included, so retain original components if needed. Verify sensor alignment and secure mounting to prevent signal loss or sensor damage.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details for the SC373 are not provided here, Standard Ignition typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberSC373
Attachment MethodBolt mount
Color/FinishGrey
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular
Connector TypePlug in
ContentsVehicle speed sensor
Hardware IncludedNo
Mounting Bracket(s) IncludedNo
Mounting Hole Quantity1
Number of wires2
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade
Wiring Harness IncludedYes

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2002NissanQuestN/A
2001NissanAltimaN/A
2001NissanQuestN/A
2000NissanAltimaN/A
2000NissanQuestN/A
1999NissanAltimaN/A
1999NissanQuestN/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:

13-03643193580L005S480272-353174075SC373SN7308SU5444VSS908

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