Homeβ€Ί Transmission > Sensorsβ€Ί Standard Ignition SC635 Automatic Transmission Input Shaft Speed Sensor
Part #: SC635

Standard Ignition SC635 Automatic Transmission Input Shaft Speed Sensor

256 vehicles fit this part
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Fitment: Chevrolet, GMC, and Cadillac, Express 2500, Express 3500, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban, Tahoe, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL, Caprice, Escalade, Escalade ESV, SS, CTS, Camaro, Corvette, and Suburban 1500
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Overview of Standard Ignition SC635 Transmission Sensor

The Standard Ignition SC635 is an automatic transmission input shaft speed sensor designed for precise performance in select GM vehicles. Engineered to provide accurate speed data, this sensor supports smooth transmission operation in Cadillac, Chevrolet, GMC, and Hummer models.

  • Connector Gender: Male
  • Single square-shaped plug-in connector
  • Bolt mount installation on transmission
  • Three male blade terminals for secure electrical connection
  • Compatible with multiple GM vehicle models including Silverado, Escalade, and Tahoe

Detailed Product Description

The SC635 sensor from Standard Ignition is built to monitor the input shaft speed of automatic transmissions, ensuring the transmission control module receives accurate data for optimal shifting performance. Featuring a male connector with a square plug-in design, it simplifies electrical connections while maintaining reliability. The sensor mounts directly onto the transmission housing using a bolt mount method, providing a secure and stable fit. Its three male blade terminals facilitate a robust electrical interface, minimizing the risk of connection issues. This sensor is compatible with a wide range of GM vehicles such as the Chevrolet Silverado 1500, Cadillac Escalade, GMC Sierra 2500 HD, and Hummer H2, making it a versatile replacement part for transmission sensor needs.

Common Applications and Problem Resolution

  • Helps resolve erratic shifting or transmission slipping
  • Addresses transmission speedometer inaccuracies
  • Prevents transmission control module errors related to input shaft speed
  • Eliminates harsh or delayed gear engagement
  • Supports proper transmission operation in vehicles like the Chevrolet Camaro and Cadillac CTS

Installation Notes and Tips

Installation of the SC635 sensor requires access to the transmission housing where the sensor mounts via bolt. Ensure the vehicle is safely lifted and supported before beginning work. Disconnect the battery to prevent electrical shorts. Carefully unplug the existing sensor’s connector and remove mounting bolts. Install the new sensor by aligning the bolt holes and securing it firmly. Reconnect the male plug-in connector, verifying the three blade terminals are properly seated. After installation, clear any transmission-related diagnostic codes and test drive the vehicle to confirm proper operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The SC635 sensor undergoes rigorous quality control testing to maintain consistent functionality. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberSC635
Connector GenderMale
Connector ShapeSquare
Connector TypePlug In
Mounting LocationOn Transimission
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypeBlade

This part fits 256 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersPositionNotes
2020ChevroletExpress 2500N/A
2020ChevroletExpress 3500N/A
2020ChevroletSilverado 1500N/A
2020ChevroletSilverado 1500AutomaticN/A
2020ChevroletSilverado 2500 HDN/A
2020ChevroletSilverado 3500 HDN/A
2020ChevroletTahoe5.3LV8N/A
2020GMCSierra 1500N/A
2020GMCSierra 2500 HDN/A
2020GMCSierra 3500 HDN/A
2020GMCYukonN/A
2020GMCYukon XLN/A
2019ChevroletExpress 2500N/A
2019ChevroletExpress 3500N/A
2019ChevroletSilverado 1500N/A
2019ChevroletSilverado 1500AutomaticN/A
2019ChevroletSilverado 2500 HDN/A
2019ChevroletSilverado 3500 HDN/A
2019ChevroletTahoe5.3LV8N/A
2019GMCSierra 1500N/A
2019GMCSierra 2500 HDN/A
2019GMCSierra 3500 HDN/A
2019GMCYukonN/A
2019GMCYukon XLN/A
2018ChevroletExpress 2500N/A
2018ChevroletExpress 3500N/A
2018ChevroletSilverado 1500AutomaticN/ANeutral Safety Switch with Harness - Radio Capacitor
2018ChevroletSilverado 1500N/A
2018ChevroletSilverado 2500 HDN/A
2018ChevroletSilverado 3500 HDN/A
2018ChevroletTahoe5.3LV8N/A
2018GMCSierra 1500N/A
2018GMCSierra 2500 HDN/A
2018GMCSierra 3500 HDN/A
2018GMCYukonN/A
2018GMCYukon XLN/A
2017ChevroletCapriceN/A
2017ChevroletExpress 2500N/A
2017ChevroletExpress 3500N/A
2017ChevroletSilverado 1500AutomaticN/A
2017ChevroletSilverado 2500 HDN/A
2017ChevroletSilverado 3500 HDN/A
2017ChevroletSuburban 3500 HD6.0LV8N/A
2017ChevroletTahoe5.3LV8N/A
2017GMCSierra 1500N/A
2017GMCSierra 2500 HDN/A
2017GMCSierra 3500 HDN/A
2017GMCYukonN/A
2017GMCYukon XLN/A
2016CadillacEscalade6.2LV8N/A
2016CadillacEscalade ESV6.2LV8N/A
2016ChevroletCapriceN/A
2016ChevroletExpress 2500N/A
2016ChevroletExpress 3500N/A
2016ChevroletSilverado 1500N/A
2016ChevroletSilverado 2500 HDN/A
2016ChevroletSilverado 3500 HDN/A
2016ChevroletSS6.2LV8N/A
2016ChevroletSuburban 3500 HD6.0LV8N/A
2016ChevroletTahoe5.3LV8N/A
2016GMCSavana 25004.8LV8N/A
2016GMCSavana 35004.8LV8N/A
2016GMCSierra 1500N/A
2016GMCSierra 2500 HDN/A
2016GMCSierra 3500 HDN/A
2016GMCYukonN/A
2016GMCYukon XLN/A
2015CadillacATSAutomaticN/A
2015CadillacCTSAutomatic6.2LV8N/A
2015CadillacEscalade6.2LV8N/A
2015CadillacEscalade ESV6.2LV8N/A
2015ChevroletCamaro6.2LV8N/A
2015ChevroletCapriceN/A
2015ChevroletExpress 2500N/A
2015ChevroletExpress 3500N/A
2015ChevroletSilverado 1500N/A
2015ChevroletSilverado 2500 HD6.0LV8N/A
2015ChevroletSilverado 3500 HDN/A
2015ChevroletSS6.2LV8N/A
2015ChevroletTahoe5.3LV8N/A
2015GMCSavana 25004.8LV8N/A
2015GMCSavana 35004.8LV8N/A
2015GMCSierra 1500N/A
2015GMCSierra 2500 HDN/A
2015GMCSierra 3500 HDN/A
2015GMCYukonN/A
2015GMCYukon XLN/A
2014CadillacATSAutomaticN/A
2014CadillacCTSAutomatic6.2LV8N/A
2014CadillacEscalade6.2LV8N/A
2014CadillacEscalade ESV6.2LV8N/A
2014ChevroletCamaro6.2LV8N/A
2014ChevroletCapriceN/A
2014ChevroletCorvetteAutomaticN/A
2014ChevroletCorvette6.2LV8N/A
2014ChevroletExpress 2500N/A
2014ChevroletExpress 3500N/A
2014ChevroletSilverado 1500N/A
2014ChevroletSilverado 2500 HDN/A
2014ChevroletSilverado 3500 HDN/A
2014ChevroletSS6.2LV8N/A
2014ChevroletSuburban 15005.3LV8N/A
2014ChevroletTahoe5.3LV8N/A
2014GMCSavana 2500N/AAutomatic Transmission Input Sensor
2014GMCSavana 3500N/AAutomatic Transmission Input Sensor
2014GMCSierra 1500N/A
2014GMCSierra 2500 HD6.0LV8N/AAutomatic Transmission Input Sensor
2014GMCYukonN/A
2014GMCYukon XL 1500N/AAutomatic Transmission Input Sensor
2013CadillacATSAutomaticN/A
2013CadillacCTS6.2LV8N/A
2013CadillacEscaladeN/A
2013CadillacEscalade ESVN/A
2013CadillacEscalade EXTN/A
2013ChevroletAvalancheN/AAutomatic Transmission Input Sensor
2013ChevroletCamaro6.2LV8N/A
2013ChevroletCapriceN/AAutomatic Transmission Input Sensor
2013ChevroletCorvetteN/AAutomatic Transmission Input Sensor
2013ChevroletExpress 2500AutomaticN/A
2013ChevroletExpress 3500N/A
2013ChevroletSilverado 1500AutomaticN/AAutomatic Transmission Input Sensor
2013ChevroletSilverado 2500 HDN/AAutomatic Transmission Input Sensor
2013ChevroletSilverado 3500 HDN/A
2013ChevroletSuburban 1500N/A
2013ChevroletSuburban 2500N/AAutomatic Transmission Input Sensor
2013ChevroletTahoeN/AAutomatic Transmission Input Sensor
2013GMCSavana 2500N/A
2013GMCSavana 3500N/A
2013GMCSierra 1500AutomaticN/AAutomatic Transmission Input Sensor
2013GMCSierra 2500 HDN/AAutomatic Transmission Input Sensor
2013GMCSierra 3500 HDN/AAutomatic Transmission Input Sensor
2013GMCYukonN/AAutomatic Transmission Input Sensor
2013GMCYukon XL 1500N/AAutomatic Transmission Input Sensor
2013GMCYukon XL 2500N/AAutomatic Transmission Input Sensor
2012CadillacCTS6.2LV8N/A2nd Design
2012CadillacEscaladeN/A
2012CadillacEscalade ESVN/A
2012CadillacEscalade EXTN/A
2012ChevroletAvalancheN/AAutomatic Transmission Input Sensor
2012ChevroletCamaro6.2LV8N/A
2012ChevroletCapriceN/A
2012ChevroletCorvetteN/AAutomatic Transmission Input Sensor
2012ChevroletExpress 2500N/A
2012ChevroletExpress 3500N/A
2012ChevroletSilverado 1500AutomaticN/AAutomatic Transmission Input Sensor
2012ChevroletSilverado 2500 HDN/AAutomatic Transmission Input Sensor
2012ChevroletSilverado 3500 HDN/A
2012ChevroletSuburban 1500N/A
2012ChevroletSuburban 2500N/AAutomatic Transmission Input Sensor
2012ChevroletTahoeN/AAutomatic Transmission Input Sensor
2012GMCSavana 2500N/A
2012GMCSavana 3500N/A
2012GMCSierra 1500AutomaticN/AAutomatic Transmission Input Sensor
2012GMCSierra 2500 HD6.0LV8N/AAutomatic Transmission Input Sensor
2012GMCSierra 3500 HDN/AAutomatic Transmission Input Sensor
2012GMCYukonN/AAutomatic Transmission Input Sensor
2012GMCYukon XL 1500N/AAutomatic Transmission Input Sensor
2012GMCYukon XL 2500N/AAutomatic Transmission Input Sensor
2011CadillacCTS6.2LV8N/AAutomatic Transmission Input Sensor
2011CadillacEscaladeN/A
2011CadillacEscalade ESVN/A
2011CadillacEscalade EXTN/A
2011CadillacSTSN/A
2011ChevroletAvalancheN/AAutomatic Transmission Input Sensor
2011ChevroletCamaro6.2LV8N/A
2011ChevroletCapriceN/AAutomatic Transmission Input Sensor
2011ChevroletCorvetteN/AAutomatic Transmission Input Sensor
2011ChevroletExpress 2500N/A
2011ChevroletExpress 3500N/A
2011ChevroletSilverado 1500AutomaticN/AAutomatic Transmission Input Sensor
2011ChevroletSilverado 2500 HDN/AAutomatic Transmission Input Sensor
2011ChevroletSilverado 3500 HDAutomaticN/AAutomatic Transmission Input Sensor
2011ChevroletSuburban 1500N/AAutomatic Transmission Input Sensor
2011ChevroletSuburban 2500N/AAutomatic Transmission Input Sensor
2011ChevroletTahoeN/AAutomatic Transmission Input Sensor
2011GMCSavana 2500N/A
2011GMCSavana 3500N/A
2011GMCSierra 1500AutomaticN/AAutomatic Transmission Input Sensor
2011GMCYukonN/AAutomatic Transmission Input Sensor
2011GMCYukon XL 1500N/AAutomatic Transmission Input Sensor
2011GMCYukon XL 2500N/AAutomatic Transmission Input Sensor
2010CadillacCTS6.2LV8N/AAutomatic Transmission Input Sensor
2010CadillacEscaladeN/A
2010CadillacEscalade ESVN/A
2010CadillacEscalade EXTN/A
2010CadillacSTSN/A
2010ChevroletAvalancheN/AAutomatic Transmission Input Sensor
2010ChevroletCamaro6.2LV8N/A
2010ChevroletCorvetteN/AAutomatic Transmission Input Sensor
2010ChevroletExpress 2500N/A
2010ChevroletExpress 3500N/A
2010ChevroletSilverado 1500AutomaticN/AAutomatic Transmission Input Sensor
2010ChevroletSilverado 2500 HDN/AAutomatic Transmission Input Sensor
2010ChevroletSilverado 3500 HDAutomaticN/AAutomatic Transmission Input Sensor
2010ChevroletSuburban 1500N/AAutomatic Transmission Input Sensor
2010ChevroletSuburban 2500N/AAutomatic Transmission Input Sensor
2010ChevroletTahoeN/AAutomatic Transmission Input Sensor
2010GMCSavana 2500N/A
2010GMCSavana 3500N/A
2010GMCSierra 1500AutomaticN/AAutomatic Transmission Input Sensor
2010GMCYukonN/AAutomatic Transmission Input Sensor
2010GMCYukon XL 1500N/AAutomatic Transmission Input Sensor
2010GMCYukon XL 2500N/AAutomatic Transmission Input Sensor
2009CadillacCTS6.2LV8N/AAutomatic Transmission Input Sensor
2009CadillacEscaladeN/A
2009CadillacEscalade ESVN/A
2009CadillacEscalade EXTN/A
2009CadillacSTS4.4LV8N/A
2009CadillacXLR4.6LV8N/A
2009ChevroletAvalancheN/AAutomatic Transmission Input Sensor
2009ChevroletCorvetteN/AAutomatic Transmission Input Sensor
2009ChevroletSilverado 1500AutomaticN/AAutomatic Transmission Input Sensor
2009ChevroletSilverado 2500 HDN/AAutomatic Transmission Input Sensor
2009ChevroletSilverado 3500 HDAutomaticN/AAutomatic Transmission Input Sensor
2009ChevroletSuburban 1500N/AAutomatic Transmission Input Sensor
2009ChevroletSuburban 2500N/AAutomatic Transmission Input Sensor
2009ChevroletTahoeAutomaticN/AAutomatic Transmission Input Sensor
2009GMCSierra 1500AutomaticN/AAutomatic Transmission Input Sensor
2009GMCSierra 2500 HDN/AAutomatic Transmission Input Sensor
2009GMCSierra 3500 HDN/AAutomatic Transmission Input Sensor
2009GMCYukonN/AAutomatic Transmission Input Sensor
2009GMCYukon XL 1500N/AAutomatic Transmission Input Sensor
2009GMCYukon XL 2500N/AAutomatic Transmission Input Sensor
2009HummerH2N/A
2008CadillacEscaladeN/A
2008CadillacEscalade ESVN/A
2008CadillacEscalade EXTN/A
2008CadillacSTS4.4LV8N/A
2008CadillacXLR4.6LV8N/A
2008ChevroletCorvetteN/AAutomatic Transmission Input Sensor
2008ChevroletSilverado 2500 HDN/AAutomatic Transmission Input Sensor
2008ChevroletSilverado 3500 HDAutomaticN/AAutomatic Transmission Input Sensor
2008ChevroletSuburban 2500N/AAutomatic Transmission Input Sensor
2008GMCSierra 1500AutomaticN/AAutomatic Transmission Input Sensor
2008GMCSierra 2500 HDN/AAutomatic Transmission Input Sensor
2008GMCSierra 3500 HDN/AAutomatic Transmission Input Sensor
2008GMCYukonAutomaticN/AAutomatic Transmission Input Sensor
2008GMCYukon XL 1500AutomaticN/AAutomatic Transmission Input Sensor
2008GMCYukon XL 2500RWDN/A
2008HummerH2N/A
2007CadillacEscaladeN/A
2007CadillacEscalade ESVN/A
2007CadillacEscalade EXTN/A
2007CadillacSTS4.6LV8N/A
2007CadillacXLRN/A
2007ChevroletCorvetteN/AAutomatic Transmission Input Sensor
2007ChevroletSilverado 2500 HDN/AAutomatic Transmission Input Sensor
2007ChevroletSilverado 3500 ClassicRWDAutomatic6.0LV8N/A
2007ChevroletSilverado 3500 HDN/AAutomatic Transmission Input Sensor
2007GMCSierra 1500AutomaticN/AAutomatic Transmission Input Sensor
2007GMCSierra 2500 HDN/AAutomatic Transmission Input Sensor
2007GMCSierra 3500 HDN/AAutomatic Transmission Input Sensor
2007GMCYukonAutomaticN/AAutomatic Transmission Input Sensor
2007GMCYukon XL 1500AutomaticN/AAutomatic Transmission Input Sensor
2006CadillacXLR4.4LV8N/A
2006ChevroletCorvetteN/AAutomatic Transmission Input Sensor

* 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:

24265536242847075S1377274238SN8337SU15178VSS1169

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