HomeTransmission > SensorsStandard Ignition SC366 Automatic Transmission Output Shaft Speed Sensor
Part #: SC366

Standard Ignition SC366 Automatic Transmission Output Shaft Speed Sensor

13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan and INFINITI, Pathfinder, Pathfinder Armada, and QX4
Easy Returns — Return within 60 days for a full refund
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Overview of Standard Ignition SC366 Output Shaft Speed Sensor

The Standard Ignition SC366 is an automatic transmission output shaft speed sensor designed specifically for select INFINITI and Nissan vehicles. This sensor plays a critical role in monitoring transmission output speed to ensure smooth shifting and optimal vehicle performance.

  • Compatible with INFINITI and Nissan models including Pathfinder, Pathfinder Armada, and QX4
  • Part number SC366 for precise identification and fitment
  • Measures output shaft speed to support transmission control systems
  • Engineered for automatic transmissions requiring accurate speed data
  • Durable construction to withstand transmission environment conditions

Detailed Product Description

The Standard Ignition SC366 automatic transmission output shaft speed sensor is engineered to provide reliable speed data to the vehicle’s transmission control module. By accurately detecting the rotational speed of the output shaft, this sensor helps regulate shift timing and transmission operation. It is designed to meet the specifications required by INFINITI and Nissan vehicles such as the Pathfinder, Pathfinder Armada, and QX4, ensuring proper fit and function. The SC366 sensor is built to endure the heat and vibration typical of transmission systems, contributing to consistent vehicle performance and drivability.

Common Applications and Issues Addressed

  • Helps resolve erratic or harsh shifting in automatic transmissions
  • Prevents transmission slippage caused by inaccurate speed readings
  • Addresses transmission warning lights related to output speed sensor faults
  • Improves overall transmission response and fuel efficiency
  • Supports proper operation of vehicle speedometer and cruise control systems

Installation Notes and Tips

  • Ensure vehicle compatibility with INFINITI and Nissan Pathfinder, Pathfinder Armada, or QX4 models before installation
  • Disconnect the battery prior to sensor replacement to avoid electrical issues
  • Locate the output shaft speed sensor on the transmission housing for removal and installation
  • Use appropriate tools to avoid damage to the sensor or transmission components
  • Verify sensor connector is secure and free of corrosion after installation

Quality Assurance and Warranty

Standard Ignition parts, including the SC366 output shaft speed sensor, are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to ensure reliability and customer confidence in their replacement parts.

BrandStandard Ignition
Part NumberSC366
Connector GenderMale
Connector ShapeRectangular
Connector TypePlug In
Harness Length - inches50.5"
Mounting LocationOn Transimission
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypeBlade

This part fits 13 vehicles. Search below:

YearMakeModelDrive TypeTransmissionPositionNotes
2004NissanPathfinderRWDN/A
2004NissanPathfinder ArmadaRWDN/A
2003INFINITIQX4RWDN/A
2003NissanPathfinderRWDN/A
2002INFINITIQX4RWDN/A
2002NissanPathfinderRWDAutomaticN/A
2001INFINITIQX4RWDN/A
2001NissanPathfinderRWDN/A
2000NissanPathfinderRWDN/A
1999NissanPathfinderRWDN/A
1998NissanPathfinderRWDAutomaticN/A
1997NissanPathfinderRWDN/A
1996NissanPathfinderRWDN/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:

13-03583193543X135S494872-393674116SN7301SU6581VSS901

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