HomeDriveline and Axles > Service KitsLuk GDK320D-MK Axle Differential Bearing and Seal Kit - Rear
Part #: GDK320D-MK

Luk GDK320D-MK Axle Differential Bearing and Seal Kit - Rear

Rear
⚙️ 64 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab, 9-7x, Ascender, Bravada, Canyon, Colorado, Envoy, H3, H3T, i-280, i-290, i-350, i-370, Rainier, and Trailblazer
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Axle Differential Bearing Kit for Rear Applications

The LuK GDK320D-MK is an axle differential bearing and seal kit built for professional transmission and differential repair. It includes OE-quality bearings selected for the specific application, helping restore proper differential operation in rear axle service.

Compatible with rear 8.0-inch and 8-inch applications on Chevrolet Colorado, GMC Canyon, Hummer H3, Hummer H3T, Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, Isuzu i-290, Isuzu i-370, Saab 9-7x, Buick Rainier, Isuzu i-280, Isuzu i-350, and Oldsmobile Bravada.

  • OE-quality differential bearing kit for rear axle service
  • Application-specific components selected for the listed driveline platforms
  • Supports professional transmission and differential repair work
  • Rear 8.0-inch and 8-inch fitments across multiple GM and Isuzu-based vehicles
  • LuK part number GDK320D-MK for easy identification

Vehicle Fitment

  • Fits 2004-2012 Chevrolet Colorado, Rear, 8.0"
  • Fits 2004-2012 GMC Canyon, Rear, 8.0"
  • Fits 2006-2010 Hummer H3, Rear, 8.0"
  • Fits 2009-2010 Hummer H3T, Rear, 8.0"
  • Fits 2002-2009 Chevrolet Trailblazer, Rear, 8"
  • Fits 2002-2009 GMC Envoy, Rear, 8"
  • Fits 2003-2008 Isuzu Ascender, Rear, 8"
  • Fits 2007-2008 Isuzu i-290, Rear, 8.0"
  • Fits 2007-2008 Isuzu i-370, Rear, 8.0"
  • Fits 2005-2008 Saab 9-7x, Rear, 8"
  • Fits 2004-2007 Buick Rainier, Rear, 8"
  • Fits 2006 Isuzu i-280, Rear, 8.0"
  • Fits 2006 Isuzu i-350, Rear, 8.0"
  • Fits 2002-2004 Oldsmobile Bravada, Rear, 8"

This part cross-references 4620186100 and DRK320DMK for the same application.

What It Helps Repair

  • Rear differential bearing wear or rough operation
  • Noise from a worn axle differential bearing set
  • Service needs during differential rebuilds
  • Fitment-specific replacement for damaged OE bearings
  • Repair work on GM and Isuzu rear axle assemblies

Installation Notes and Tips

Confirm the rear axle size before ordering, since this kit is listed for 8.0-inch and 8-inch applications. Verify the vehicle year, make, model, and rear axle configuration against the fitment list before installation.

Quality Assurance

LuK states that this differential bearing kit uses OE-quality components selected for the specific transmission or differential application, supporting a professional repair outcome.

This part fits 64 vehicles. Search below:

YearMakeModelPositionNotes
2012ChevroletColoradoRear8.0"
2012GMCCanyonRear8.0"
2011ChevroletColoradoRear8.0"
2011GMCCanyonRear8.0"
2010ChevroletColoradoRear8.0"
2010GMCCanyonRear8.0"
2010HummerH3Rear8.0"
2010HummerH3TRear8.0"
2009ChevroletColoradoRear8.0"
2009ChevroletTrailblazerRear8"
2009GMCCanyonRear8.0"
2009GMCEnvoyRear8"
2009HummerH3Rear8.0"
2009HummerH3TRear8.0"
2008ChevroletColoradoRear8.0"
2008ChevroletTrailblazerRear8"
2008GMCCanyonRear8.0"
2008GMCEnvoyRear8"
2008HummerH3Rear8.0"
2008IsuzuAscenderRear8"
2008Isuzui-290Rear8.0"
2008Isuzui-370Rear8.0"
2008Saab9-7xRear8"
2007BuickRainierRear8"
2007ChevroletColoradoRear8.0"
2007ChevroletTrailblazerRear8"
2007GMCCanyonRear8.0"
2007GMCEnvoyRear8"
2007HummerH3Rear8.0"
2007IsuzuAscenderRear8"
2007Isuzui-290Rear8.0"
2007Isuzui-370Rear8.0"
2007Saab9-7xRear8"
2006BuickRainierRear8"
2006ChevroletColoradoRear8.0"
2006ChevroletTrailblazerRear8"
2006GMCCanyonRear8.0"
2006GMCEnvoyRear8"
2006HummerH3Rear8.0"
2006IsuzuAscenderRear8"
2006Isuzui-280Rear8.0"
2006Isuzui-350Rear8.0"
2006Saab9-7xRear8"
2005BuickRainierRear8"
2005ChevroletColoradoRear8.0"
2005ChevroletTrailblazerRear8"
2005GMCCanyonRear8.0"
2005GMCEnvoyRear8"
2005IsuzuAscenderRear8"
2005Saab9-7xRear8"
2004BuickRainierRear8"
2004ChevroletColoradoRear8.0"
2004ChevroletTrailblazerRear8"
2004GMCCanyonRear8.0"
2004GMCEnvoyRear8"
2004IsuzuAscenderRear8"
2004OldsmobileBravadaRear8"
2003ChevroletTrailblazerRear8"
2003GMCEnvoyRear8"
2003IsuzuAscenderRear8"
2003OldsmobileBravadaRear8"
2002ChevroletTrailblazerRear8"
2002GMCEnvoyRear8"
2002OldsmobileBravadaRear8"

* 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:

4620186100DRK320DMKSDK320D-MK

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