HomeBrake > SensorsStandard Ignition FLS-129 Brake Fluid Level Sensor
Part #: FLS-129

Standard Ignition FLS-129 Brake Fluid Level Sensor

81 vehicles fit this part
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Fitment: Chevrolet, GMC, Buick, Cadillac, Saturn, and Pontiac, Avalanche, Corvette, Silverado 1500, Colorado, Canyon, Lucerne, Escalade, Escalade ESV, Escalade EXT, Trailblazer, Envoy, Sierra 1500, Silverado 1500 HD Classic, Silverado 2500 HD, Silverado 3500, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe, Sierra 1500 HD Classic, Sierra 2500 HD, Sierra 3500 Classic, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500, Vue, Equinox, and Torrent
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Reliable Brake Fluid Level Sensor for GM Vehicles

The Standard Ignition FLS-129 brake fluid level sensor is designed to provide accurate monitoring of brake fluid levels in select General Motors vehicles. Engineered with precise connector and terminal specifications, this sensor ensures dependable performance for models like the Chevrolet Silverado and GMC Sierra.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Type: Plug in
  • Terminal Gender: Male
  • Terminal Quantity: 2
  • Terminal Type: Blade
  • Part Number: FLS-129

Detailed Product Description

The Standard Ignition FLS-129 brake fluid level sensor is a critical component for maintaining brake system safety in vehicles such as the Chevrolet Avalanche, Cadillac Escalade, and GMC Yukon. Featuring a female plug-in connector with one connection point and two male blade terminals, this sensor integrates seamlessly with the vehicle’s brake system wiring harness. Its design supports accurate detection of brake fluid levels, helping to alert drivers to potential fluid loss or leaks.

Compatible Vehicles and Applications

This brake fluid level sensor is compatible with a range of GM makes and models, including Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn. Specific models include the Chevrolet Colorado, Corvette, Equinox, Silverado 1500, and Suburban 1500, as well as the GMC Canyon, Sierra 2500 HD, and Yukon XL 2500. The FLS-129 sensor is suitable for use in both light-duty and heavy-duty trucks and SUVs within these lineups.

Common Issues Addressed by the FLS-129 Sensor

  • Brake warning light activation due to low fluid detection
  • Intermittent brake fluid level alerts
  • False brake system warnings caused by faulty sensors
  • Brake fluid leaks undetected by other components
  • Ensuring compliance with vehicle safety monitoring systems

Installation Notes and Tips

  • Ensure the vehicle ignition is off before installation
  • Disconnect the battery to prevent electrical shorts
  • Verify connector orientation: female plug-in with one connector
  • Check that the two male blade terminals align properly with the wiring harness
  • Test sensor operation after installation to confirm proper function

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The FLS-129 brake fluid level sensor undergoes rigorous quality control testing to maintain consistent performance. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship.

BrandStandard Ignition
Part NumberFLS-129
Connector GenderFemale
Connector TypePlug In
ContentsSensor
Terminal GenderMale
Terminal TypeBlade

This part fits 81 vehicles. Search below:

YearMakeModelPositionNotes
2013ChevroletAvalancheN/A
2013ChevroletCorvetteN/A
2013ChevroletSilverado 1500N/Aw/ Active Brake Control
2012ChevroletAvalancheN/A
2012ChevroletColoradoN/A
2012ChevroletCorvetteN/A
2012ChevroletSilverado 1500N/Aw/ Active Brake Control
2012GMCCanyonN/A
2011BuickLucerneN/A
2011CadillacEscaladeN/A
2011CadillacEscalade ESVN/A
2011CadillacEscalade EXTN/A
2011ChevroletAvalancheN/A
2011ChevroletColoradoN/A
2011ChevroletCorvetteN/A
2011ChevroletSilverado 1500N/Aw/ Active Brake Control
2011GMCCanyonN/A
2010BuickLucerneN/A
2010CadillacEscaladeN/A
2010CadillacEscalade ESVN/A
2010CadillacEscalade EXTN/A
2010ChevroletAvalancheN/A
2010ChevroletColoradoN/A
2010ChevroletCorvetteN/A
2010ChevroletSilverado 1500N/Aw/ Active Brake Control
2010GMCCanyonN/A
2009BuickLucerneN/A
2009CadillacEscaladeN/A
2009CadillacEscalade ESVN/A
2009CadillacEscalade EXTN/A
2009ChevroletAvalancheN/A
2009ChevroletColoradoN/A
2009ChevroletCorvetteN/A
2009ChevroletSilverado 1500N/Aw/ Active Brake Control
2009ChevroletTrailblazerN/A
2009GMCCanyonN/A
2009GMCEnvoyN/A
2008CadillacEscaladeN/A
2008CadillacEscalade ESVN/A
2008CadillacEscalade EXTN/A
2008ChevroletAvalancheN/A
2008ChevroletSilverado 1500N/Aw/ Active Brake Control
2008GMCSierra 1500N/Aw/ Active Brake Control
2007CadillacEscaladeN/A
2007CadillacEscalade ESVN/A
2007CadillacEscalade EXTN/A
2007ChevroletAvalancheN/A
2007ChevroletSilverado 1500N/Aw/ Active Brake Control
2007ChevroletSilverado 1500 HD ClassicN/Aw/ Active Brake Control
2007ChevroletSilverado 2500 HDN/Aw/ Active Brake Control
2007ChevroletSilverado 3500N/Aw/ Active Brake Control
2007ChevroletSilverado 3500 HDN/Aw/ Active Brake Control
2007ChevroletSuburban 1500N/A
2007ChevroletSuburban 2500N/A
2007ChevroletTahoeN/A
2007GMCSierra 1500N/Aw/ Active Brake Control
2007GMCSierra 1500 HD ClassicN/Aw/ Active Brake Control
2007GMCSierra 2500 HDN/Aw/ Active Brake Control
2007GMCSierra 3500 ClassicN/Aw/ Active Brake Control
2007GMCSierra 3500 HDN/Aw/ Active Brake Control
2007GMCYukonN/A
2007GMCYukon XL 1500N/A
2007GMCYukon XL 2500N/A
2007SaturnVueN/A
2006CadillacEscaladeN/A
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletEquinoxN/A
2006ChevroletSuburban 1500N/A
2006ChevroletSuburban 2500N/A
2006ChevroletTahoeN/A
2006GMCYukonN/A
2006GMCYukon XL 1500N/A
2006GMCYukon XL 2500N/A
2006PontiacTorrentN/A
2006SaturnVueN/A
2005ChevroletEquinoxN/A
2005SaturnVueN/A
2004SaturnVueN/A
2003SaturnVueN/A
2002SaturnVueN/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:

226720965S120371-355074752FF3099FLS703FLSA21

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