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Part #: SDK321-C

SKF SDK321-C Axle Differential Bearing and Seal Kit - Rear

Rear
184 vehicles fit this part
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Fitment: Cadillac, Chevrolet, and GMC, Avalanche 1500, Blazer, Envoy, Envoy XL, Envoy XUV, Escalade, Escalade ESV, Escalade EXT, Express 1500, Jimmy, S10, Savana 1500, Sierra 1500, Sierra 1500 HD, Silverado 1500, Silverado 1500 HD, Sonoma, SSR, Suburban 1500, Tahoe, Trailblazer, Trailblazer EXT, Yukon, and Yukon XL 1500
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Axle Differential Bearing and Seal Kit for Rear Service

SKF SDK321-C is an axle differential bearing and seal kit for rear differential service on select GM trucks and SUVs. It is built around the key wear components needed for a differential repair, with bearings, seals, and related sealing components engineered to OE-level specifications.

For applications such as Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade rear axle service, this kit supports a complete differential refresh with parts matched for fit and sealing performance.

Key Features

  • Part number: SDK321-C
  • Inside diameter: 11.0000
  • Width: 2.500
  • Bearing type: DIFF2TP
  • SKF bearings include matched cones and cups
  • Seals use SKF Bore-Tite coating for improved sealing performance
  • Built for rear differential service on select 1999-2006 GM applications

Detailed Description

SKF SDK321-C is a rear axle differential bearing and seal kit designed for service on vehicles with 8.50-inch ring gear applications, including models with 8.625-inch ring gear coverage where noted. It is a practical choice for differential rebuilds on Cadillac Escalade, Chevrolet Trailblazer, GMC Envoy, Chevrolet Silverado 1500, and GMC Sierra 1500 applications. The kit is engineered to provide the core components needed for a proper differential repair, helping restore bearing support and seal integrity in one service.

This part cross-references 000 981 78 05 and 6V-959 for the same application.

Vehicle Fitment

  • Fits 2002-2006 Cadillac Escalade, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 1999-2000 Cadillac Escalade, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2003-2006 Cadillac Escalade ESV, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2002-2006 Cadillac Escalade EXT, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 1999-2006 Chevrolet Express 1500, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2003-2006 Chevrolet SSR, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2002-2006 Chevrolet Trailblazer, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2002-2006 Chevrolet Trailblazer EXT, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2002-2006 GMC Envoy, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2002-2006 GMC Envoy XL, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 1999-2005 Chevrolet Blazer, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2004-2005 GMC Envoy XUV, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 1999-2005 GMC Jimmy, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 1999-2004 Chevrolet S10, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 1999-2004 GMC Sonoma, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 2002 Chevrolet Avalanche 1500, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 1999-2002 Chevrolet Silverado 1500, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 2001-2002 Chevrolet Silverado 1500 HD, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 2000-2002 Chevrolet Suburban 1500, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 2000-2002 Chevrolet Tahoe, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 2002 Chevrolet Trailblazer, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 1999-2002 GMC Savana 1500, rear, Standard Kit; 8.50'' Ring Gear.
  • Fits 1999-2002 GMC Sierra 1500, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 2001-2002 GMC Sierra 1500 HD, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 2001-2002 GMC Yukon, rear, fits vehicles with 8.50" and 8.625" ring gears.
  • Fits 2001-2002 GMC Yukon XL 1500, rear, fits vehicles with 8.50" and 8.625" ring gears.

Installation Notes and Tips

Confirm the rear axle ring gear size before ordering, since this kit is listed for 8.50-inch ring gear applications and select 8.625-inch ring gear vehicles. Inspect the differential housing, bearing surfaces, and seals during teardown so worn or damaged components are addressed during the repair. Follow factory service procedures for bearing preload, backlash, and seal installation to maintain proper differential operation.

Quality Assurance

SKF manufactures these service kit components to high quality standards, with bearings, seals, and gaskets selected to meet or exceed original equipment specifications where applicable. The included seals use SKF Bore-Tite coating to improve sealing performance, and the bearing sets use matched cones and cups for consistent service fit.

BrandSKF
Part NumberSDK321-C
Inside Diameter11.0000
Width2.500
Bearing TypeDiff2tp

This part fits 184 vehicles. Search below:

YearMakeModelPositionNotes
2006CadillacEscaladeRearStandard Kit; 8.50'' Ring Gear:
2006CadillacEscaladeRearStandard Kit; 8.50" Ring Gear:
2006CadillacEscalade ESVRearStandard Kit; 8.50'' Ring Gear:
2006CadillacEscalade ESVRearStandard Kit; 8.50" Ring Gear:
2006CadillacEscalade EXTRearStandard Kit; 8.50'' Ring Gear:
2006CadillacEscalade EXTRearStandard Kit; 8.50" Ring Gear:
2006ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
2006ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
2006ChevroletSSRRearStandard Kit; 8.50'' Ring Gear:
2006ChevroletSSRRearStandard Kit; 8.50" Ring Gear:
2006ChevroletTrailblazerRearStandard Kit; 8.50'' Ring Gear:
2006ChevroletTrailblazerRearStandard Kit; 8.50" Ring Gear:
2006ChevroletTrailblazer EXTRearStandard Kit; 8.50'' Ring Gear:
2006ChevroletTrailblazer EXTRearStandard Kit; 8.50" Ring Gear:
2006GMCEnvoyRearStandard Kit; 8.50'' Ring Gear:
2006GMCEnvoyRearStandard Kit; 8.50" Ring Gear:
2006GMCEnvoy XLRearStandard Kit; 8.50'' Ring Gear:
2006GMCEnvoy XLRearStandard Kit; 8.50" Ring Gear:
2005CadillacEscaladeRearStandard Kit; 8.50'' Ring Gear:
2005CadillacEscaladeRearStandard Kit; 8.50" Ring Gear:
2005CadillacEscalade ESVRearStandard Kit; 8.50'' Ring Gear:
2005CadillacEscalade ESVRearStandard Kit; 8.50" Ring Gear:
2005CadillacEscalade EXTRearStandard Kit; 8.50'' Ring Gear:
2005CadillacEscalade EXTRearStandard Kit; 8.50" Ring Gear:
2005ChevroletBlazerRearStandard Kit; 8.50'' Ring Gear:
2005ChevroletBlazerRearStandard Kit; 8.50" Ring Gear:
2005ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
2005ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
2005ChevroletSSRRearStandard Kit; 8.50'' Ring Gear:
2005ChevroletSSRRearStandard Kit; 8.50" Ring Gear:
2005ChevroletTrailblazerRearStandard Kit; 8.50'' Ring Gear:
2005ChevroletTrailblazerRearStandard Kit; 8.50" Ring Gear:
2005ChevroletTrailblazer EXTRearStandard Kit; 8.50'' Ring Gear:
2005ChevroletTrailblazer EXTRearStandard Kit; 8.50" Ring Gear:
2005GMCEnvoyRearStandard Kit; 8.50'' Ring Gear:
2005GMCEnvoyRearStandard Kit; 8.50" Ring Gear:
2005GMCEnvoy XLRearStandard Kit; 8.50'' Ring Gear:
2005GMCEnvoy XLRearStandard Kit; 8.50" Ring Gear:
2005GMCEnvoy XUVRearStandard Kit; 8.50'' Ring Gear:
2005GMCEnvoy XUVRearStandard Kit; 8.50" Ring Gear:
2005GMCJimmyRearStandard Kit; 8.50'' Ring Gear:
2005GMCJimmyRearStandard Kit; 8.50" Ring Gear:
2004CadillacEscaladeRearStandard Kit; 8.50'' Ring Gear:
2004CadillacEscaladeRearStandard Kit; 8.50" Ring Gear:
2004CadillacEscalade ESVRearStandard Kit; 8.50'' Ring Gear:
2004CadillacEscalade ESVRearStandard Kit; 8.50" Ring Gear:
2004CadillacEscalade EXTRearStandard Kit; 8.50'' Ring Gear:
2004CadillacEscalade EXTRearStandard Kit; 8.50" Ring Gear:
2004ChevroletBlazerRearStandard Kit; 8.50'' Ring Gear:
2004ChevroletBlazerRearStandard Kit; 8.50" Ring Gear:
2004ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
2004ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
2004ChevroletS10RearStandard Kit; 8.50'' Ring Gear:
2004ChevroletS10RearStandard Kit; 8.50" Ring Gear:
2004ChevroletSSRRearStandard Kit; 8.50'' Ring Gear:
2004ChevroletSSRRearStandard Kit; 8.50" Ring Gear:
2004ChevroletTrailblazerRearStandard Kit; 8.50'' Ring Gear:
2004ChevroletTrailblazerRearStandard Kit; 8.50" Ring Gear:
2004ChevroletTrailblazer EXTRearStandard Kit; 8.50'' Ring Gear:
2004ChevroletTrailblazer EXTRearStandard Kit; 8.50" Ring Gear:
2004GMCEnvoyRearStandard Kit; 8.50'' Ring Gear:
2004GMCEnvoyRearStandard Kit; 8.50" Ring Gear:
2004GMCEnvoy XLRearStandard Kit; 8.50'' Ring Gear:
2004GMCEnvoy XLRearStandard Kit; 8.50" Ring Gear:
2004GMCEnvoy XUVRearStandard Kit; 8.50'' Ring Gear:
2004GMCEnvoy XUVRearStandard Kit; 8.50" Ring Gear:
2004GMCJimmyRearStandard Kit; 8.50'' Ring Gear:
2004GMCJimmyRearStandard Kit; 8.50" Ring Gear:
2004GMCSonomaRearStandard Kit; 8.50'' Ring Gear:
2004GMCSonomaRearStandard Kit; 8.50" Ring Gear:
2003CadillacEscaladeRearStandard Kit; 8.50'' Ring Gear:
2003CadillacEscaladeRearStandard Kit; 8.50" Ring Gear:
2003CadillacEscalade ESVRearStandard Kit; 8.50'' Ring Gear:
2003CadillacEscalade ESVRearStandard Kit; 8.50" Ring Gear:
2003CadillacEscalade EXTRearStandard Kit; 8.50'' Ring Gear:
2003CadillacEscalade EXTRearStandard Kit; 8.50" Ring Gear:
2003ChevroletBlazerRearStandard Kit; 8.50'' Ring Gear:
2003ChevroletBlazerRearStandard Kit; 8.50" Ring Gear:
2003ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
2003ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
2003ChevroletS10RearStandard Kit; 8.50'' Ring Gear:
2003ChevroletS10RearStandard Kit; 8.50" Ring Gear:
2003ChevroletSSRRearStandard Kit; 8.50'' Ring Gear:
2003ChevroletSSRRearStandard Kit; 8.50" Ring Gear:
2003ChevroletTrailblazerRearStandard Kit; 8.50'' Ring Gear:
2003ChevroletTrailblazerRearStandard Kit; 8.50" Ring Gear:
2003ChevroletTrailblazer EXTRearStandard Kit; 8.50'' Ring Gear:
2003ChevroletTrailblazer EXTRearStandard Kit; 8.50" Ring Gear:
2003GMCEnvoyRearStandard Kit; 8.50'' Ring Gear:
2003GMCEnvoyRearStandard Kit; 8.50" Ring Gear:
2003GMCEnvoy XLRearStandard Kit; 8.50'' Ring Gear:
2003GMCEnvoy XLRearStandard Kit; 8.50" Ring Gear:
2003GMCJimmyRearStandard Kit; 8.50'' Ring Gear:
2003GMCJimmyRearStandard Kit; 8.50" Ring Gear:
2003GMCSonomaRearStandard Kit; 8.50'' Ring Gear:
2003GMCSonomaRearStandard Kit; 8.50" Ring Gear:
2002CadillacEscaladeRearStandard Kit; 8.50'' Ring Gear:
2002CadillacEscaladeRearStandard Kit; 8.50" Ring Gear:
2002CadillacEscalade EXTRearStandard Kit; 8.50'' Ring Gear:
2002CadillacEscalade EXTRearStandard Kit; 8.50" Ring Gear:
2002ChevroletAvalanche 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2002ChevroletBlazerRearStandard Kit; 8.50'' Ring Gear:
2002ChevroletBlazerRearStandard Kit; 8.50" Ring Gear:
2002ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
2002ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
2002ChevroletS10RearStandard Kit; 8.50'' Ring Gear:
2002ChevroletS10RearStandard Kit; 8.50" Ring Gear:
2002ChevroletSilverado 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2002ChevroletSilverado 1500 HDRearFits vehicles with 8.50" and 8.625" ring gears.
2002ChevroletSuburban 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2002ChevroletTahoeRearFits vehicles with 8.50" and 8.625" ring gears.
2002ChevroletTrailblazerRearStandard Kit; 8.50'' Ring Gear:
2002ChevroletTrailblazerRearFits vehicles with 8.50" and 8.625" ring gears.
2002ChevroletTrailblazerRearStandard Kit; 8.50" Ring Gear:
2002ChevroletTrailblazer EXTRearStandard Kit; 8.50'' Ring Gear:
2002ChevroletTrailblazer EXTRearStandard Kit; 8.50" Ring Gear:
2002GMCEnvoyRearStandard Kit; 8.50'' Ring Gear:
2002GMCEnvoyRearStandard Kit; 8.50" Ring Gear:
2002GMCEnvoy XLRearStandard Kit; 8.50'' Ring Gear:
2002GMCEnvoy XLRearStandard Kit; 8.50" Ring Gear:
2002GMCJimmyRearStandard Kit; 8.50'' Ring Gear:
2002GMCJimmyRearStandard Kit; 8.50" Ring Gear:
2002GMCSavana 1500RearStandard Kit; 8.50'' Ring Gear:
2002GMCSavana 1500RearStandard Kit; 8.50" Ring Gear:
2002GMCSierra 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2002GMCSierra 1500 HDRearFits vehicles with 8.50" and 8.625" ring gears.
2002GMCSonomaRearStandard Kit; 8.50'' Ring Gear:
2002GMCSonomaRearStandard Kit; 8.50" Ring Gear:
2002GMCYukonRearFits vehicles with 8.50" and 8.625" ring gears.
2002GMCYukon XL 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2001ChevroletBlazerRearStandard Kit; 8.50'' Ring Gear:
2001ChevroletBlazerRearStandard Kit; 8.50" Ring Gear:
2001ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
2001ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
2001ChevroletS10RearStandard Kit; 8.50'' Ring Gear:
2001ChevroletS10RearStandard Kit; 8.50" Ring Gear:
2001ChevroletSilverado 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2001ChevroletSilverado 1500 HDRearFits vehicles with 8.50" and 8.625" ring gears.
2001ChevroletSuburban 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2001ChevroletTahoeRearFits vehicles with 8.50" and 8.625" ring gears.
2001GMCJimmyRearStandard Kit; 8.50'' Ring Gear:
2001GMCJimmyRearStandard Kit; 8.50" Ring Gear:
2001GMCSavana 1500RearStandard Kit; 8.50'' Ring Gear:
2001GMCSavana 1500RearStandard Kit; 8.50" Ring Gear:
2001GMCSierra 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2001GMCSierra 1500 HDRearFits vehicles with 8.50" and 8.625" ring gears.
2001GMCSonomaRearStandard Kit; 8.50'' Ring Gear:
2001GMCSonomaRearStandard Kit; 8.50" Ring Gear:
2001GMCYukonRearFits vehicles with 8.50" and 8.625" ring gears.
2001GMCYukon XL 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2000CadillacEscaladeRearStandard Kit; 8.50'' Ring Gear:
2000CadillacEscaladeRearStandard Kit; 8.50" Ring Gear:
2000ChevroletBlazerRearStandard Kit; 8.50'' Ring Gear:
2000ChevroletBlazerRearStandard Kit; 8.50" Ring Gear:
2000ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
2000ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
2000ChevroletS10RearStandard Kit; 8.50'' Ring Gear:
2000ChevroletS10RearStandard Kit; 8.50" Ring Gear:
2000ChevroletSilverado 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2000ChevroletSuburban 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2000ChevroletTahoeRearFits vehicles with 8.50" and 8.625" ring gears.
2000GMCJimmyRearStandard Kit; 8.50'' Ring Gear:
2000GMCJimmyRearStandard Kit; 8.50" Ring Gear:
2000GMCSavana 1500RearStandard Kit; 8.50'' Ring Gear:
2000GMCSavana 1500RearStandard Kit; 8.50" Ring Gear:
2000GMCSierra 1500RearFits vehicles with 8.50" and 8.625" ring gears.
2000GMCSonomaRearStandard Kit; 8.50'' Ring Gear:
2000GMCSonomaRearStandard Kit; 8.50" Ring Gear:
1999CadillacEscaladeRearStandard Kit; 8.50'' Ring Gear:
1999CadillacEscaladeRearStandard Kit; 8.50" Ring Gear:
1999ChevroletBlazerRearStandard Kit; 8.50'' Ring Gear:
1999ChevroletBlazerRearStandard Kit; 8.50" Ring Gear:
1999ChevroletExpress 1500RearStandard Kit; 8.50'' Ring Gear:
1999ChevroletExpress 1500RearStandard Kit; 8.50" Ring Gear:
1999ChevroletS10RearStandard Kit; 8.50'' Ring Gear:
1999ChevroletS10RearStandard Kit; 8.50" Ring Gear:
1999ChevroletSilverado 1500RearFits vehicles with 8.50" and 8.625" ring gears.
1999GMCJimmyRearStandard Kit; 8.50'' Ring Gear:
1999GMCJimmyRearStandard Kit; 8.50" Ring Gear:
1999GMCSavana 1500RearStandard Kit; 8.50'' Ring Gear:
1999GMCSavana 1500RearStandard Kit; 8.50" Ring Gear:
1999GMCSierra 1500RearFits vehicles with 8.50" and 8.625" ring gears.
1999GMCSonomaRearStandard Kit; 8.50'' Ring Gear:
1999GMCSonomaRearStandard Kit; 8.50" Ring Gear:

* 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:

000 981 78 051417971458M8801016900981790265215023131721346V-9597451156

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