HomeDriveline and Axles > Brackets, Flanges and HangersMoog RK643171 Differential Support Bracket - Front Left
Part #: RK643171

Moog RK643171 Differential Support Bracket - Front Left

Front Left
⚙️ 112 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade ESV, Silverado 1500 LD, Tahoe, Sierra 1500 Limited, Yukon, Silverado 1500, Sierra 1500, Yukon XL, Suburban, Suburban 1500, Yukon XL 1500, Escalade EXT, and Avalanche
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Reliable Differential Support Bracket for GM Trucks and SUVs

The Moog RK643171 Differential Support Bracket is engineered to provide sturdy support for the driveline assembly in select Cadillac, Chevrolet, and GMC vehicles. Designed to maintain proper alignment and reduce drivetrain stress, this bracket is essential for maintaining vehicle stability and performance.

  • Compatible with Cadillac Escalade, Escalade ESV, Escalade EXT
  • Fits Chevrolet Avalanche, Silverado 1500, Silverado 1500 LD, Suburban 1500, Tahoe
  • Designed for GMC Sierra 1500, Sierra 1500 Limited, Yukon, Yukon XL, Yukon XL 1500
  • Durable construction to withstand driveline forces and vibrations
  • OEM-quality fit and finish for direct replacement

Durable Construction and Precise Fitment

The Moog RK643171 differential support bracket is manufactured to meet or exceed original equipment specifications. Its robust design ensures reliable support for the differential assembly, helping to maintain proper driveline geometry and reduce wear on connected components. This bracket is specifically designed for use in full-size GM trucks and SUVs, including the Chevrolet Silverado 1500 and GMC Yukon XL 1500, ensuring a precise fit and easy installation.

Applications and Problem Resolution

This differential support bracket is used to secure the differential housing and maintain alignment within the driveline system. It addresses several common issues, including:

  • Excessive driveline movement causing vibrations or noise
  • Misalignment of the differential leading to premature wear
  • Support bracket damage from off-road or heavy-duty use
  • Replacement of worn or corroded original brackets
  • Maintaining driveline stability in Cadillac Escalade and GMC Sierra 1500 models

Installation Notes and Tips

Installation of the Moog RK643171 differential support bracket requires basic mechanical skills and standard hand tools. It is recommended to inspect surrounding driveline components during replacement to ensure overall system integrity. Proper torque specifications should be followed to avoid bracket deformation or loosening during operation.

Quality Assurance and Warranty

Moog parts are engineered for durability and reliability, backed by a limited warranty against defects in materials and workmanship. The RK643171 differential support bracket undergoes rigorous quality control to ensure consistent performance and fitment for Cadillac, Chevrolet, and GMC vehicles.

This part fits 112 vehicles. Search below:

YearMakeModelPositionNotes
2019CadillacEscaladeFront Left
2019CadillacEscalade ESVFront Left
2019ChevroletSilverado 1500 LDFront Left
2019ChevroletTahoeFront Left
2019GMCSierra 1500 LimitedFront Left
2019GMCYukonFront Left
2018CadillacEscaladeFront Left
2018CadillacEscalade ESVFront Left
2018ChevroletSilverado 1500Front Left
2018ChevroletTahoeFront Left
2018GMCSierra 1500Front Left
2018GMCYukonFront Left
2018GMCYukon XLFront Left
2017CadillacEscaladeFront Left
2017CadillacEscalade ESVFront Left
2017ChevroletSilverado 1500Front Left
2017ChevroletTahoeFront Left
2017GMCSierra 1500Front Left
2017GMCYukonFront Left
2017GMCYukon XLFront Left
2016CadillacEscaladeFront Left
2016CadillacEscalade ESVFront Left
2016ChevroletSilverado 1500Front Left
2016ChevroletTahoeFront Left
2016GMCSierra 1500Front Left
2016GMCYukonFront Left
2016GMCYukon XLFront Left
2015CadillacEscaladeFront Left
2015CadillacEscalade ESVFront Left
2015ChevroletSilverado 1500Front Left
2015ChevroletTahoeFront Left
2015GMCSierra 1500Front Left
2015GMCYukonFront Left
2015GMCYukon XLFront Left
2014CadillacEscaladeFront Left
2014CadillacEscalade ESVFront Left
2014ChevroletSilverado 1500Front Left
2014ChevroletSuburban 1500Front Left
2014ChevroletTahoeFront Left
2014GMCSierra 1500Front Left
2014GMCYukonFront Left
2014GMCYukon XL 1500Front Left
2013CadillacEscaladeFront Left
2013CadillacEscalade ESVFront Left
2013CadillacEscalade EXTFront Left
2013ChevroletAvalancheFront Left
2013ChevroletSilverado 1500Front Left
2013ChevroletSuburban 1500Front Left
2013ChevroletTahoeFront Left
2013GMCSierra 1500Front Left
2013GMCYukonFront Left
2013GMCYukon XL 1500Front Left
2012CadillacEscaladeFront Left
2012CadillacEscalade ESVFront Left
2012CadillacEscalade EXTFront Left
2012ChevroletAvalancheFront Left
2012ChevroletSilverado 1500Front Left
2012ChevroletSuburban 1500Front Left
2012ChevroletTahoeFront Left
2012GMCSierra 1500Front Left
2012GMCYukonFront Left
2012GMCYukon XL 1500Front Left
2011CadillacEscaladeFront Left
2011CadillacEscalade ESVFront Left
2011CadillacEscalade EXTFront Left
2011ChevroletAvalancheFront Left
2011ChevroletSilverado 1500Front Left
2011ChevroletSuburban 1500Front Left
2011ChevroletTahoeFront Left
2011GMCSierra 1500Front Left
2011GMCYukonFront Left
2011GMCYukon XL 1500Front Left
2010CadillacEscaladeFront Left
2010CadillacEscalade ESVFront Left
2010CadillacEscalade EXTFront Left
2010ChevroletAvalancheFront Left
2010ChevroletSilverado 1500Front Left
2010ChevroletSuburban 1500Front Left
2010ChevroletTahoeFront Left
2010GMCSierra 1500Front Left
2010GMCYukonFront Left
2010GMCYukon XL 1500Front Left
2009CadillacEscaladeFront Left
2009CadillacEscalade ESVFront Left
2009CadillacEscalade EXTFront Left
2009ChevroletAvalancheFront Left
2009ChevroletSilverado 1500Front Left
2009ChevroletSuburban 1500Front Left
2009ChevroletTahoeFront Left
2009GMCSierra 1500Front Left
2009GMCYukonFront Left
2009GMCYukon XL 1500Front Left
2008CadillacEscaladeFront Left
2008CadillacEscalade ESVFront Left
2008CadillacEscalade EXTFront Left
2008ChevroletAvalancheFront Left
2008ChevroletSilverado 1500Front Left
2008ChevroletSuburban 1500Front Left
2008ChevroletTahoeFront Left
2008GMCSierra 1500Front Left
2008GMCYukonFront Left
2008GMCYukon XL 1500Front Left
2007CadillacEscaladeFront Left
2007CadillacEscalade ESVFront Left
2007CadillacEscalade EXTFront Left
2007ChevroletAvalancheFront Left
2007ChevroletSilverado 1500Front Left
2007ChevroletSuburban 1500Front Left
2007ChevroletTahoeFront Left
2007GMCSierra 1500Front Left
2007GMCYukonFront Left
2007GMCYukon XL 1500Front Left

* 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:

23104736

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