HomeTransmission > SensorsStandard Ignition SC390 Automatic Transmission Output Shaft Speed Sensor
Part #: SC390

Standard Ignition SC390 Automatic Transmission Output Shaft Speed Sensor

17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, 4Runner and Pickup
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Overview of Standard Ignition SC390 Output Shaft Speed Sensor

The Standard Ignition SC390 is a direct-attachment automatic transmission output shaft speed sensor designed specifically for Toyota 4Runner and Pickup models. This sensor plays a critical role in monitoring transmission output speed to ensure smooth shifting and optimal vehicle performance.

  • Direct attachment method for secure installation
  • Black and grey color finish for durability
  • Single male oval plug-in connector
  • Two-wire design with male blade terminals
  • No hardware or mounting brackets included

Detailed Product Description

The SC390 output shaft speed sensor from Standard Ignition is engineered to provide accurate speed readings by directly attaching to the transmission output shaft. Featuring a black and grey finish, this sensor is built to withstand the operating environment of Toyota 4Runner and Pickup transmissions. It includes a single male oval plug-in connector with two male blade terminals, ensuring reliable electrical connections. The sensor does not come with additional hardware or mounting brackets, simplifying replacement for technicians familiar with the vehicle’s factory setup.

Compatible Vehicles and Applications

This sensor is compatible with Toyota 4Runner and Toyota Pickup models, making it a suitable replacement part for maintaining transmission performance. The SC390 sensor helps address issues related to transmission speed signal inaccuracies, which can affect shifting behavior and overall drivability.

  • Irregular or harsh shifting in automatic transmission
  • Transmission slipping or delayed engagement
  • Check engine light triggered by transmission speed sensor faults
  • Erratic speedometer readings related to transmission output
  • Diagnostic trouble codes (DTCs) related to output shaft speed sensor

Installation Notes and Tips

Installation of the Standard Ignition SC390 sensor requires removal of the old sensor from the transmission output shaft and direct attachment of the new sensor. Since no mounting hardware or brackets are included, ensure the existing mounting points are intact and secure. The male oval plug-in connector should be connected firmly to the vehicle’s wiring harness. Verify that the two male blade terminals are properly seated to avoid electrical issues. It is recommended to consult the vehicle’s service manual for torque specifications and sensor alignment procedures.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The SC390 sensor undergoes quality control testing to ensure reliable performance in Toyota 4Runner and Pickup transmissions. While specific warranty details are not provided here, Standard Ignition typically offers limited warranties covering defects in material and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandStandard Ignition
Part NumberSC390
Connector GenderMale
Connector TypePlug In
Mounting LocationOn Transimission
Terminal GenderMale
Terminal TypeBlade

This part fits 17 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersPositionNotes
1995Toyota4Runner4WDAutomatic2.4LL4N/A
1995Toyota4Runner4WDAutomatic3.0LV6N/A
1991Toyota4Runner4WDAutomaticN/A
1991ToyotaPickup4WDAutomaticN/A
1990Toyota4Runner4WDAutomaticN/A
1990ToyotaPickup4WDAutomaticN/A
1989Toyota4RunnerAutomaticN/A
1989ToyotaPickup4WDAutomaticN/A
1988Toyota4RunnerAutomaticN/A
1988ToyotaPickup3.0LV6N/A
1988ToyotaPickup2.4LL4N/A
1987Toyota4RunnerAutomaticN/A
1987ToyotaPickup2.4LL4N/A
1986Toyota4RunnerAutomaticN/A
1986ToyotaPickup2.4LL4N/A
1985Toyota4RunnerAutomaticN/A
1985ToyotaPickup2.4LL4N/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:

13-03765S484572-3832757458941135010SN7325SU5524VSS925

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