HomeDriveline and Axles > Gaskets and Sealing SystemsDorman 600-605 Axle Differential Seal - Front Right Outer
Part #: 600-605

Dorman 600-605 Axle Differential Seal - Front Right Outer

Front Right Outer
38 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Buick, and Oldsmobile, Trailblazer, Envoy, Rainier, Trailblazer EXT, Envoy XL, Envoy XUV, and Bravada
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Axle Differential Seal for Front Right Outer Applications

Dorman 600-605 is an axle differential seal built to match the fit and function of the original seal on specified vehicles. It is made with rubber and steel for durable sealing performance in the front right outer position.

Compatible with Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, GMC Envoy XUV, and Oldsmobile Bravada applications, this Dorman 600-605 seal is shaped for a specific fit and a round rim profile.

Key Features

  • OE-style axle differential seal for specified front right outer applications
  • Specific fit design for direct replacement use
  • Rubber and steel construction for sealing durability
  • Round rim shape with black finish
  • Designed to match original fit and function
  • Cross-reference: GM 12479302 for the same application

Detailed Description

This axle differential seal is engineered for vehicles that require a precise seal at the front right outer axle position. Dorman 600-605 uses rubber and steel construction to help maintain a reliable seal at the differential interface, supporting proper driveline sealing on the Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, GMC Envoy XUV, and Oldsmobile Bravada. The specific-fit design helps ensure the seal matches the original part’s fitment and function.

Use Dorman 600-605 when replacing a worn or leaking axle differential seal on 2002-2009 Chevrolet Trailblazer, front right outer; 2002-2009 GMC Envoy, front right outer; 2004-2007 Buick Rainier, front right outer; 2002-2006 Chevrolet Trailblazer EXT, front right outer; 2002-2006 GMC Envoy XL, front right outer; 2004-2005 GMC Envoy XUV, front right outer; and 2002-2004 Oldsmobile Bravada, front right outer applications.

Common Problems This Seal Can Address

  • Gear oil seepage at the front right outer axle seal
  • Fluid loss from a damaged or hardened differential seal
  • Contamination entering the axle/differential sealing area
  • Noise or driveline issues related to low lubricant level
  • Replacement needs after seal wear, cracking, or deformation

Installation Notes and Tips

Confirm the vehicle’s front right outer application before installation and compare the original seal dimensions to Dorman 600-605: 14.569 inside diameter, 2.721 outside diameter, and 0.62 thickness. Clean the sealing surfaces thoroughly and inspect the axle and housing for wear or damage that could affect sealing performance. Proper seating is important for a leak-free repair.

Quality Assurance

Dorman designs this seal to match original fit and function for the listed vehicles. The part number is 600-605, and it is also referenced by GM 12479302 for the same application.

BrandDorman
Part Number600-605
ColorBlack
Inside Diameter14.569
MaterialRubber
MaterialSteel
Outside Diameter2.721
Package Contents1 Axle Differential Seal
Rim ShapeRound
Seal TypeGasket
Thickness0.62
Universal Or Specific FitSpecific

This part fits 38 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2009ChevroletTrailblazerAWDFront Right Outer
2009ChevroletTrailblazer4WDFront Right Outer
2009GMCEnvoy4WDFront Right Outer
2008ChevroletTrailblazerAWDFront Right Outer
2008ChevroletTrailblazer4WDFront Right Outer
2008GMCEnvoy4WDFront Right Outer
2007BuickRainierAWDFront Right Outer
2007ChevroletTrailblazerAWDFront Right Outer
2007ChevroletTrailblazer4WDFront Right Outer
2007GMCEnvoy4WDFront Right Outer
2006BuickRainierAWDFront Right Outer
2006ChevroletTrailblazer4WDFront Right Outer
2006ChevroletTrailblazer EXT4WDFront Right Outer
2006GMCEnvoy4WDFront Right Outer
2006GMCEnvoy XL4WDFront Right Outer
2005BuickRainierAWDFront Right Outer
2005ChevroletTrailblazer4WDFront Right Outer
2005ChevroletTrailblazer EXT4WDFront Right Outer
2005GMCEnvoy4WDFront Right Outer
2005GMCEnvoy XL4WDFront Right Outer
2005GMCEnvoy XUV4WDFront Right Outer
2004BuickRainierAWDFront Right Outer
2004ChevroletTrailblazer4WDFront Right Outer
2004ChevroletTrailblazer EXT4WDFront Right Outer
2004GMCEnvoy4WDFront Right Outer
2004GMCEnvoy XL4WDFront Right Outer
2004GMCEnvoy XUV4WDFront Right Outer
2004OldsmobileBravadaAWDFront Right Outer
2003ChevroletTrailblazer4WDFront Right Outer
2003ChevroletTrailblazer EXT4WDFront Right Outer
2003GMCEnvoy4WDFront Right Outer
2003GMCEnvoy XL4WDFront Right Outer
2003OldsmobileBravadaAWDFront Right Outer
2002ChevroletTrailblazer4WDFront Right Outer
2002ChevroletTrailblazer EXT4WDFront Right Outer
2002GMCEnvoy4WDFront Right Outer
2002GMCEnvoy XL4WDFront Right Outer
2002OldsmobileBravadaAWDFront Right Outer

* 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:

12479302

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