HomeTransmission > SensorsStandard Ignition SC129 Automatic Transmission Output Shaft Speed Sensor
Part #: SC129

Standard Ignition SC129 Automatic Transmission Output Shaft Speed Sensor

105 vehicles fit this part
Select your vehicle to confirm fitment
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Fitment: Chevrolet, Pontiac, Saturn, Oldsmobile, Daewoo, and Jeep, HHR, Malibu, G5, G6, Vue, Aura, Pursuit, Cavalier, Classic, Grand Am, L300, Alero, L200, LW200, LW300, Lanos, L100, LS, LS1, LS2, LW1, LW2, Achieva, Cutlass, and Comanche
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Overview of Standard Ignition SC129 Output Shaft Speed Sensor

The Standard Ignition SC129 Automatic Transmission Output Shaft Speed Sensor is engineered for reliable performance in select Chevrolet, Jeep, Oldsmobile, Pontiac, and Saturn vehicles. Designed to provide accurate speed data, this sensor supports smooth transmission operation and helps maintain optimal vehicle drivability.

  • Connector Gender: Female
  • Single Oval Plug-in Connector
  • Mounts directly on the transmission
  • Two Male Pin Terminals for secure electrical connection
  • Compatible with multiple GM and Jeep models including Chevrolet Malibu and Pontiac G6

Detailed Product Description

The SC129 sensor from Standard Ignition is an automatic transmission output shaft speed sensor that monitors the rotational speed of the transmission output shaft. Featuring a female connector with an oval shape and a plug-in type design, it ensures a secure and precise connection. The sensor mounts directly on the transmission housing, providing accurate real-time data to the vehicle’s transmission control module. Equipped with two male pin terminals, it guarantees reliable electrical contact and signal transmission.

This sensor is compatible with a range of vehicles such as the Chevrolet Malibu, Pontiac G6, Jeep Grand Am, and Saturn Aura, among others. The part number SC129 is essential for identifying the correct replacement part for these models, ensuring proper fitment and function.

Common Applications and Issues Addressed

  • Helps resolve erratic shifting or transmission slipping
  • Prevents transmission warning lights related to speed sensor faults
  • Improves transmission response and gear engagement accuracy
  • Addresses speedometer inaccuracies caused by faulty output shaft speed data
  • Supports overall transmission system diagnostics and performance

Installation Notes and Tips

  • Ensure the vehicle is safely lifted and supported before accessing the transmission
  • Disconnect the battery to prevent electrical shorts during installation
  • Locate the sensor mounting point on the transmission and remove the old sensor carefully
  • Connect the female oval plug securely to the sensor terminals
  • Verify the sensor is properly seated and fastened to avoid signal loss
  • Clear any transmission-related error codes after installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance and durability. The SC129 sensor undergoes rigorous quality control to ensure consistent operation under normal driving conditions. Please refer to Standard Ignition’s warranty policy for specific coverage details related to this part.

BrandStandard Ignition
Part NumberSC129
Connector GenderFemale
Connector ShapeOval
Connector TypePlug In
Mounting LocationOn Transimission
Terminal GenderMale
Terminal TypePin

This part fits 105 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2011ChevroletHHR2.2LL4N/A
2011ChevroletHHR2.4LL4N/A
2011ChevroletHHRN/Aw/ Mexico Emissions
2010ChevroletHHRN/Aw/ Mexico Emissions
2010ChevroletMalibuAutomaticN/A
2010PontiacG5N/A
2010PontiacG6N/A
2010SaturnVue2.4LL4N/A
2010SaturnVue3.6LV6N/A
2009ChevroletHHRN/Aw/ Mexico Emissions
2009ChevroletMalibuAutomatic2.4LL4N/A
2009ChevroletMalibuAutomatic3.5LV6N/A
2009PontiacG5N/A
2009PontiacG6N/A
2009SaturnAura2.4LL4N/A
2008ChevroletHHRN/Aw/ Mexico Emissions
2008ChevroletMalibuAutomaticN/A
2008PontiacG5N/A
2008PontiacG6N/A
2008SaturnAura2.4LL4N/A
2008SaturnAura3.5LV6N/A
2008SaturnVueN/A
2007ChevroletHHRN/Aw/ Mexico Emissions
2007ChevroletMalibu3.5LV6N/A
2007ChevroletMalibu2.2LL4N/A
2007ChevroletMalibuN/A
2007PontiacG5N/A
2007PontiacG6N/A
2007SaturnAura2.4LL4N/A
2007SaturnAura3.5LV6N/A
2006ChevroletHHRN/Aw/ Mexico Emissions
2006ChevroletMalibu3.5LV6N/A
2006ChevroletMalibu2.2LL4N/A
2006PontiacG63.5LV6N/A
2006PontiacPursuit2.2LL4N/A
2006PontiacPursuit2.4LL4N/A
2005ChevroletCavalierN/A
2005ChevroletClassicN/A
2005ChevroletMalibuN/A
2005PontiacG63.5LV6N/A
2005PontiacGrand Am2.2LL4N/A
2005PontiacGrand Am3.4LV6N/A
2005PontiacGrand AmN/A
2005PontiacPursuit2.2LL4N/A
2005SaturnL3003.0LV6N/A
2004ChevroletCavalierN/A
2004ChevroletClassicN/A
2004ChevroletMalibuN/A
2004OldsmobileAleroN/A
2004PontiacGrand AmN/A
2004SaturnL3003.0LV6N/A
2003ChevroletCavalierN/A
2003ChevroletMalibuN/A
2003OldsmobileAleroN/A
2003PontiacGrand AmN/A
2003SaturnL2002.2LL4N/A
2003SaturnL3003.0LV6N/A
2003SaturnLW200N/A
2003SaturnLW300N/A
2002ChevroletCavalierN/A
2002ChevroletMalibuN/A
2002OldsmobileAleroN/A
2002PontiacGrand AmN/A
2002SaturnL1002.2LL4N/A
2002SaturnL2002.2LL4N/A
2002SaturnL3003.0LV6N/A
2002SaturnLW200N/A
2002SaturnLW300N/A
2001ChevroletCavalierAutomaticN/A
2001ChevroletMalibuN/A
2001OldsmobileAleroN/A
2001PontiacGrand AmN/A
2001SaturnL1002.2LL4N/A
2001SaturnL2002.2LL4N/A
2001SaturnL3003.0LV6N/A
2001SaturnLW200N/A
2001SaturnLW300N/A
2000ChevroletCavalierAutomaticN/A
2000ChevroletMalibuN/A
2000OldsmobileAleroN/A
2000PontiacGrand AmN/A
2000SaturnLS2.2LL4N/A
2000SaturnLS12.2LL4N/A
2000SaturnLS23.0LV6N/A
2000SaturnLW12.2LL4N/A
2000SaturnLW2N/A
1999ChevroletCavalierAutomaticN/A
1999ChevroletMalibuN/A
1999OldsmobileAleroAutomaticN/A
1999OldsmobileAleroN/A
1999PontiacGrand AmN/A
1998ChevroletCavalierAutomaticN/A
1998ChevroletMalibuN/A
1998OldsmobileAchieva2.4LL4N/A
1998OldsmobileCutlass3.1LV6N/A
1997ChevroletCavalierAutomaticN/A
1997ChevroletMalibuN/A
1997OldsmobileAchieva2.4LL4N/A
1997OldsmobileCutlass3.1LV6N/A
1996ChevroletCavalierAutomaticN/A
1995ChevroletCavalierAutomaticN/A
1990JeepComancheN/A
1989JeepComancheN/A
1988JeepComancheN/A
1987JeepComancheN/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:

1045619311239163-436240-10192VSS00513104750-10105S5403600299872-351074134917-620S8201SS11807SU11004TSS101TSS101SBVSS84

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