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National RA-321-C Axle Differential Bearing and Seal Kit - RearOE Quality 60-Day Returns
Part #: RA-321-C

National RA-321-C Axle Differential Bearing and Seal Kit - Rear

Rear
242 vehicles fit this part
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Fitment: Buick, Cadillac, Chevrolet, GMC, Honda, Hummer, Isuzu, Oldsmobile, and Saab, 9-7x, Ascender, Avalanche, Avalanche 1500, Axiom, Blazer, Bravada, Envoy, Envoy XL, Envoy XUV, Escalade, Escalade ESV, Escalade EXT, Express 1500, H3, Hombre, Jimmy, K1500, Passport, Rainier, Rodeo, Rodeo Sport, S10, Savana 1500, Sierra 1500, Sierra 1500 Classic, Silverado 1500, Silverado 1500 Classic, Sonoma, SSR, Suburban 1500, Tahoe, Trailblazer, Trailblazer EXT, Yukon, and Yukon XL 1500
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Not what you need? See all Axle Differential Bearing and Seal Kit options

Axle Differential Bearing and Seal Kit

National RA-321-C is an axle differential bearing and seal kit for rear service applications. It includes the components needed to complete the repair and is listed for a wide range of GM, Cadillac, and related SUV and truck platforms.

  • Axle differential bearing and seal kit for rear service work
  • National RA-321-C for driveline and axle repair applications
  • Fits 2009-2011 Cadillac Escalade, rear
  • Fits 2009-2011 Chevrolet Silverado 1500, rear
  • Fits 2009-2011 GMC Sierra 1500, rear
  • Fits 1999-2004 Chevrolet S10, rear
  • Fits 1999-2004 GMC Sonoma, rear

Fitment and application details

This kit is used on rear axle and differential service jobs across applications such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade. It also covers manual transmission input shaft bearing applications on select vehicles, including the Chevrolet Trailblazer, GMC Envoy, and Isuzu Rodeo, depending on year and model.

This part cross-references DK321-C and Timken DRK321C for the same application. The part number RA-321-C is useful when matching a rear differential bearing and seal kit by vehicle fitment.

Common repair uses

  • Rear differential bearing noise
  • Seal leakage at the axle or differential area
  • Wear-related driveline service on high-mileage trucks and SUVs
  • Manual transmission input shaft bearing replacement on listed applications

Installation notes

Verify axle, transmission, and rear position fitment before installation. Compare the original bearing and seal configuration to the vehicle listing, especially on manual transmission applications. Professional installation and proper setup procedures are recommended for differential and bearing service.

Quality assurance

National states that this bearing and seal kit includes the components required to complete the repair.

This part fits 242 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2011CadillacEscaladeRear
2011CadillacEscalade ESVRear
2011CadillacEscalade EXTRear
2011ChevroletAvalancheRear
2011ChevroletExpress 1500Rear
2011ChevroletSilverado 1500Rear
2011ChevroletSuburban 1500Rear
2011ChevroletTahoeRear
2011GMCSavana 1500Rear
2011GMCSierra 1500Rear
2011GMCYukonRear
2011GMCYukon XL 1500Rear
2010CadillacEscaladeRear
2010CadillacEscalade ESVRear
2010CadillacEscalade EXTRear
2010ChevroletAvalancheRear
2010ChevroletExpress 1500Rear
2010ChevroletSilverado 1500Rear
2010ChevroletSuburban 1500Rear
2010ChevroletTahoeRear
2010GMCSavana 1500Rear
2010GMCSierra 1500Rear
2010GMCYukonRear
2010GMCYukon XL 1500Rear
2009CadillacEscaladeRear
2009CadillacEscalade ESVRear
2009CadillacEscalade EXTRear
2009ChevroletAvalancheRear
2009ChevroletExpress 1500Rear
2009ChevroletSilverado 1500Rear
2009ChevroletSuburban 1500Rear
2009ChevroletTahoeRear
2009ChevroletTrailblazerRear
2009GMCEnvoyRear
2009GMCSavana 1500Rear
2009GMCSierra 1500Rear
2009GMCYukonRear
2009GMCYukon XL 1500Rear
2008CadillacEscaladeRearFits manual transmission input shaft bearing.
2008CadillacEscalade ESVRearFits manual transmission input shaft bearing.
2008CadillacEscalade EXTRearFits manual transmission input shaft bearing.
2008ChevroletAvalancheRearFits manual transmission input shaft bearing.
2008ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2008ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2008ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2008ChevroletTahoeRearFits manual transmission input shaft bearing.
2008ChevroletTrailblazerRearFits manual transmission input shaft bearing.
2008GMCEnvoyRearFits manual transmission input shaft bearing.
2008GMCSavana 1500RearFits manual transmission input shaft bearing.
2008GMCSierra 1500RearFits manual transmission input shaft bearing.
2008GMCYukonRearFits manual transmission input shaft bearing.
2008GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2008HummerH3RearFits manual transmission input shaft bearing.
2008IsuzuAscenderRearFits manual transmission input shaft bearing.
2007BuickRainierRearFits manual transmission input shaft bearing.
2007CadillacEscaladeRearFits manual transmission input shaft bearing.
2007CadillacEscalade ESVRearFits manual transmission input shaft bearing.
2007CadillacEscalade EXTRearFits manual transmission input shaft bearing.
2007ChevroletAvalancheRearFits manual transmission input shaft bearing.
2007ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2007ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2007ChevroletSilverado 1500 ClassicRearFits manual transmission input shaft bearing.
2007ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2007ChevroletTahoeRearFits manual transmission input shaft bearing.
2007ChevroletTrailblazerRearFits manual transmission input shaft bearing.
2007GMCEnvoyRearFits manual transmission input shaft bearing.
2007GMCSavana 1500RearFits manual transmission input shaft bearing.
2007GMCSierra 1500RearFits manual transmission input shaft bearing.
2007GMCSierra 1500 ClassicRearFits manual transmission input shaft bearing.
2007GMCYukonRearFits manual transmission input shaft bearing.
2007GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2007HummerH3RearFits manual transmission input shaft bearing.
2007IsuzuAscenderRearFits manual transmission input shaft bearing.
2007Saab9-7xRearFits manual transmission input shaft bearing.
2006BuickRainierRearFits manual transmission input shaft bearing.
2006CadillacEscaladeRearFits manual transmission input shaft bearing.
2006CadillacEscalade ESVRearFits manual transmission input shaft bearing.
2006CadillacEscalade EXTRearFits manual transmission input shaft bearing.
2006ChevroletAvalanche 1500RearFits manual transmission input shaft bearing.
2006ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2006ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2006ChevroletSSRRearFits manual transmission input shaft bearing.
2006ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2006ChevroletTahoeRearFits manual transmission input shaft bearing.
2006ChevroletTrailblazerRearFits manual transmission input shaft bearing.
2006ChevroletTrailblazer EXTRearFits manual transmission input shaft bearing.
2006GMCEnvoyRearFits manual transmission input shaft bearing.
2006GMCEnvoy XLRearFits manual transmission input shaft bearing.
2006GMCSavana 1500RearFits manual transmission input shaft bearing.
2006GMCSierra 1500RearFits manual transmission input shaft bearing.
2006GMCYukonRearFits manual transmission input shaft bearing.
2006GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2006HummerH3RearFits manual transmission input shaft bearing.
2006IsuzuAscenderRearFits manual transmission input shaft bearing.
2006Saab9-7xRearFits manual transmission input shaft bearing.
2005BuickRainierRearFits manual transmission input shaft bearing.
2005CadillacEscaladeRearFits manual transmission input shaft bearing.
2005CadillacEscalade ESVRearFits manual transmission input shaft bearing.
2005CadillacEscalade EXTRearFits manual transmission input shaft bearing.
2005ChevroletAvalanche 1500RearFits manual transmission input shaft bearing.
2005ChevroletBlazerRearFits manual transmission input shaft bearing.
2005ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2005ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2005ChevroletSSRRearFits manual transmission input shaft bearing.
2005ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2005ChevroletTahoeRearFits manual transmission input shaft bearing.
2005ChevroletTrailblazerRearFits manual transmission input shaft bearing.
2005ChevroletTrailblazer EXTRearFits manual transmission input shaft bearing.
2005GMCEnvoyRearFits manual transmission input shaft bearing.
2005GMCEnvoy XLRearFits manual transmission input shaft bearing.
2005GMCEnvoy XUVRearFits manual transmission input shaft bearing.
2005GMCJimmyRearFits manual transmission input shaft bearing.
2005GMCSavana 1500RearFits manual transmission input shaft bearing.
2005GMCSierra 1500RearFits manual transmission input shaft bearing.
2005GMCYukonRearFits manual transmission input shaft bearing.
2005GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2005IsuzuAscenderRearFits manual transmission input shaft bearing.
2005Saab9-7xRearFits manual transmission input shaft bearing.
2004BuickRainierRearFits manual transmission input shaft bearing.
2004CadillacEscaladeRearFits manual transmission input shaft bearing.
2004CadillacEscalade ESVRearFits manual transmission input shaft bearing.
2004CadillacEscalade EXTRearFits manual transmission input shaft bearing.
2004ChevroletAvalanche 1500RearFits manual transmission input shaft bearing.
2004ChevroletBlazerRearFits manual transmission input shaft bearing.
2004ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2004ChevroletS10RearFits manual transmission input shaft bearing.
2004ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2004ChevroletSSRRearFits manual transmission input shaft bearing.
2004ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2004ChevroletTahoeRearFits manual transmission input shaft bearing.
2004ChevroletTrailblazerRearFits manual transmission input shaft bearing.
2004ChevroletTrailblazer EXTRearFits manual transmission input shaft bearing.
2004GMCEnvoyRearFits manual transmission input shaft bearing.
2004GMCEnvoy XLRearFits manual transmission input shaft bearing.
2004GMCEnvoy XUVRearFits manual transmission input shaft bearing.
2004GMCJimmyRearFits manual transmission input shaft bearing.
2004GMCSavana 1500RearFits manual transmission input shaft bearing.
2004GMCSierra 1500RearFits manual transmission input shaft bearing.
2004GMCSonomaRearFits manual transmission input shaft bearing.
2004GMCYukonRearFits manual transmission input shaft bearing.
2004GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2004IsuzuAscenderRearFits manual transmission input shaft bearing.
2004IsuzuAxiomRearFits manual transmission input shaft bearing.
2004IsuzuRodeoRearFits manual transmission input shaft bearing.
2004OldsmobileBravadaRearFits manual transmission input shaft bearing.
2003CadillacEscaladeRearFits manual transmission input shaft bearing.
2003CadillacEscalade ESVRearFits manual transmission input shaft bearing.
2003CadillacEscalade EXTRearFits manual transmission input shaft bearing.
2003ChevroletAvalanche 1500RearFits manual transmission input shaft bearing.
2003ChevroletBlazerRearFits manual transmission input shaft bearing.
2003ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2003ChevroletS10RearFits manual transmission input shaft bearing.
2003ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2003ChevroletSSRRearFits manual transmission input shaft bearing.
2003ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2003ChevroletTahoeRearFits manual transmission input shaft bearing.
2003ChevroletTrailblazerRearFits manual transmission input shaft bearing.
2003ChevroletTrailblazer EXTRearFits manual transmission input shaft bearing.
2003GMCEnvoyRearFits manual transmission input shaft bearing.
2003GMCEnvoy XLRearFits manual transmission input shaft bearing.
2003GMCJimmyRearFits manual transmission input shaft bearing.
2003GMCSavana 1500RearFits manual transmission input shaft bearing.
2003GMCSierra 1500RearFits manual transmission input shaft bearing.
2003GMCSonomaRearFits manual transmission input shaft bearing.
2003GMCYukonRearFits manual transmission input shaft bearing.
2003GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2003IsuzuAscenderRearFits manual transmission input shaft bearing.
2003IsuzuAxiomRearFits manual transmission input shaft bearing.
2003IsuzuRodeoRearFits manual transmission input shaft bearing.
2003IsuzuRodeo SportRearFits manual transmission input shaft bearing.
2003OldsmobileBravadaRearFits manual transmission input shaft bearing.
2002CadillacEscaladeRearFits manual transmission input shaft bearing.
2002CadillacEscalade EXTRearFits manual transmission input shaft bearing.
2002ChevroletAvalanche 1500RearFits manual transmission input shaft bearing.
2002ChevroletBlazerRearFits manual transmission input shaft bearing.
2002ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2002ChevroletS10RearFits manual transmission input shaft bearing.
2002ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2002ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2002ChevroletTahoeRearFits manual transmission input shaft bearing.
2002ChevroletTrailblazerRearFits manual transmission input shaft bearing.
2002ChevroletTrailblazer EXTRearFits manual transmission input shaft bearing.
2002GMCEnvoyRearFits manual transmission input shaft bearing.
2002GMCEnvoy XLRearFits manual transmission input shaft bearing.
2002GMCJimmyRearFits manual transmission input shaft bearing.
2002GMCSavana 1500RearFits manual transmission input shaft bearing.
2002GMCSierra 1500RearFits manual transmission input shaft bearing.
2002GMCSonomaRearFits manual transmission input shaft bearing.
2002GMCYukonRearFits manual transmission input shaft bearing.
2002GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2002HondaPassportRearFits manual transmission input shaft bearing.
2002IsuzuAxiomRearFits manual transmission input shaft bearing.
2002IsuzuRodeoRearFits manual transmission input shaft bearing.
2002IsuzuRodeo SportRearFits manual transmission input shaft bearing.
2002OldsmobileBravadaRearFits manual transmission input shaft bearing.
2001ChevroletBlazerRearFits manual transmission input shaft bearing.
2001ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2001ChevroletS10RearFits manual transmission input shaft bearing.
2001ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2001ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2001ChevroletTahoeRearFits manual transmission input shaft bearing.
2001GMCJimmyRearFits manual transmission input shaft bearing.
2001GMCSavana 1500RearFits manual transmission input shaft bearing.
2001GMCSierra 1500RearFits manual transmission input shaft bearing.
2001GMCSonomaRearFits manual transmission input shaft bearing.
2001GMCYukonRearFits manual transmission input shaft bearing.
2001GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2001HondaPassportRearFits manual transmission input shaft bearing.
2001IsuzuRodeoRearFits manual transmission input shaft bearing.
2001IsuzuRodeo SportRearFits manual transmission input shaft bearing.
2000CadillacEscaladeRearFits manual transmission input shaft bearing.
2000ChevroletBlazerRearFits manual transmission input shaft bearing.
2000ChevroletExpress 1500RearFits manual transmission input shaft bearing.
2000ChevroletS104WDRearFits manual transmission input shaft bearing.
2000ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
2000ChevroletSuburban 1500RearFits manual transmission input shaft bearing.
2000ChevroletTahoeRearFits manual transmission input shaft bearing.
2000GMCJimmyRearFits manual transmission input shaft bearing.
2000GMCSavana 1500RearFits manual transmission input shaft bearing.
2000GMCSierra 1500RearFits manual transmission input shaft bearing.
2000GMCSonomaRearFits manual transmission input shaft bearing.
2000GMCYukonRearFits manual transmission input shaft bearing.
2000GMCYukon XL 1500RearFits manual transmission input shaft bearing.
2000HondaPassportRearFits manual transmission input shaft bearing.
2000IsuzuHombreRearFits manual transmission input shaft bearing.
2000IsuzuRodeoRearFits manual transmission input shaft bearing.
1999CadillacEscaladeRearFits manual transmission input shaft bearing.
1999ChevroletBlazerRearFits manual transmission input shaft bearing.
1999ChevroletExpress 1500RearFits manual transmission input shaft bearing.
1999ChevroletK1500RearFits manual transmission input shaft bearing.
1999ChevroletS104WDRearFits manual transmission input shaft bearing.
1999ChevroletSilverado 1500RearFits manual transmission input shaft bearing.
1999GMCJimmyRearFits manual transmission input shaft bearing.
1999GMCSavana 1500RearFits manual transmission input shaft bearing.
1999GMCSierra 1500RearFits manual transmission input shaft bearing.
1999GMCSonomaRearFits manual transmission input shaft bearing.
1999HondaPassportRearFits manual transmission input shaft bearing.
1999IsuzuHombreRearFits manual transmission input shaft bearing.
1999IsuzuRodeoRearFits manual transmission input shaft bearing.
1998ChevroletExpress 1500RearFits manual transmission input shaft bearing.
1998ChevroletK1500RearFits manual transmission input shaft bearing.
1998GMCSavana 1500RearFits manual transmission input shaft bearing.

* 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:

DK321-CDRK321C

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

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