HomeTransmission > SensorsStandard Ignition SC647 Automatic Transmission Input Shaft Speed Sensor
Part #: SC647

Standard Ignition SC647 Automatic Transmission Input Shaft Speed Sensor

⚙️ 9 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$259.25Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Pathfinder
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Automatic Transmission Input Shaft Speed Sensor

The Standard Ignition SC647 is designed specifically for Nissan Pathfinder models, providing accurate input shaft speed readings essential for smooth automatic transmission operation. This sensor features a bolt mount attachment method and a durable black and silver finish for long-lasting performance.

  • Bolt mount attachment for secure installation
  • Black and silver color finish for corrosion resistance
  • Single male oval connector with plug-in type
  • Three-wire design with female blade terminals
  • Includes wiring harness for easy connection
  • One mounting hole for precise fitment

Product Details and Specifications

The Standard Ignition SC647 automatic transmission input shaft speed sensor is engineered to meet OEM specifications for Nissan Pathfinder vehicles. It features a bolt mount design that ensures a stable and secure fit. The sensor’s connector is a single male oval plug-in type, designed for straightforward installation and reliable electrical connection. With three wires and female blade terminals, this sensor integrates seamlessly with the vehicle’s transmission control system. The black and silver finish provides durability against environmental factors, while the included wiring harness simplifies the replacement process.

Compatible Nissan Pathfinder Transmission Sensor

This sensor is compatible with Nissan Pathfinder models requiring the SC647 part number. It is intended to monitor the input shaft speed in automatic transmissions, providing critical data to the vehicle’s transmission control module for optimal shifting and performance.

Common Issues Addressed by the SC647 Sensor

  • Erratic or harsh shifting in automatic transmission
  • Transmission slipping or delayed engagement
  • Check engine light related to transmission speed sensor faults
  • Inaccurate speed readings affecting transmission control
  • Intermittent loss of communication with transmission control module

Installation Notes and Tips

Installation of the Standard Ignition SC647 sensor requires removal of the old sensor and mounting the new one using the bolt mount method. Ensure the mounting hole aligns properly and the connector is securely plugged in. The included wiring harness should be connected carefully to avoid damage to terminals. It is recommended to verify sensor operation with diagnostic tools after installation to confirm proper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The SC647 sensor undergoes rigorous quality control testing. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.

BrandStandard Ignition
Part NumberSC647
Connector GenderMale
Connector ShapeOval
Connector TypePlug In
Mounting LocationOn Transimission
Mounting TypeBolt Mount
Terminal GenderFemale
Terminal TypeBlade

This part fits 9 vehicles. Search below:

YearMakeModelDrive TypeTransmissionPositionNotes
2004NissanPathfinder4WDAutomaticN/A
2003NissanPathfinder4WDAutomaticN/A
2002NissanPathfinder4WDAutomaticN/A
2001NissanPathfinder4WDAutomaticN/A
2000NissanPathfinder4WDAutomaticN/A
1999NissanPathfinder4WDN/A
1998NissanPathfinder4WDAutomaticN/A
1997NissanPathfinder4WDAutomaticN/A
1996NissanPathfinder4WDAutomaticN/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:

3193543X125S1258374239SN8349SU13998VSS1181

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