National 710927 Wheel Seal - Rear or Rear Inner
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National 710927 Wheel Seal - Rear or Rear Inner

Brand National 710927
Position Rear Inner
Flanged Outside Diameter (Inch) 4.240
Flanged Outside Diameter (MM) 107.700
Helix Type Bi-Directional Lip Design
Housing Bore (Inch) 3.996
Housing Bore (MM) 101.500
Material Fluoro-Elastomer
Outside Diameter (Inch) 4.000
Outside Diameter (mm) 101.600
Overall Width with Side Lip (MM) 15.500
Overall Width with Side Lip (Inch) 0.610
Part Description Oil Seal
Series 710900
Shaft (Inch) 2.961
Shaft (MM) 75.200
Type #
Unit of Dimension Metric
Width (Inch) 0.433
Width (mm) 11.000
Fits Chevrolet and GMC · 48 vehicles

Bi-directional lip design. Helps maintain a reliable seal in changing conditions.

Fluoro-elastomer material. Offers strong resistance for dependable sealing performance.

Premium sealing solutions. Backed by National’s long-standing sealing expertise.

Cross-references SKF 29587A, Timken SL260069 and 291-336 for the same application. See all 4.

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Wheel Seal for Heavy-Duty Rear Axles

National 710927 is a metric wheel seal built for rear axle sealing on select Chevrolet Silverado HD and GMC Sierra HD applications. It uses a fluoro-elastomer sealing material and a bi-directional lip design to support consistent sealing performance in demanding driveline service.

National has supplied sealing solutions for more than 75 years, and this wheel seal reflects that focus on dimensional accuracy and modern vehicle coverage. The 710927 is also referenced by Timken SL260069 and SKF 29587A for the same application.

Key Features

  • Part number: National 710927
  • Wheel seal / oil seal for driveline and axle sealing applications
  • Fluoro-elastomer material for sealing durability
  • Bi-directional lip design
  • Metric dimensions for precise housing and shaft fit
  • Outside diameter: 4.000 in. (101.600 mm)
  • Flanged outside diameter: 4.240 in. (107.700 mm)
  • Housing bore: 3.996 in. (101.500 mm)
  • Shaft size: 2.961 in. (75.200 mm)
  • Width: 0.433 in. (11.000 mm)

Detailed Description

National 710927 is a rear wheel seal engineered for select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD rear axle applications. It also fits 2016-2019 Chevrolet Suburban 3500 HD rear applications. The seal’s metric sizing, fluoro-elastomer construction, and bi-directional lip profile support a controlled seal interface where axle and hub components require dependable fluid retention.

Use National 710927 when replacing a worn rear inner seal on 2011-2019 Chevrolet Silverado 2500 HD rear inner, 2011-2019 Chevrolet Silverado 3500 HD rear inner, 2011-2019 GMC Sierra 2500 HD rear inner, or 2011-2019 GMC Sierra 3500 HD rear inner applications. It also fits 2020-2021 Chevrolet Silverado 2500 HD rear, 2020-2021 Chevrolet Silverado 3500 HD rear, 2020-2021 GMC Sierra 2500 HD rear, and 2020-2021 GMC Sierra 3500 HD rear.

What It Helps Address

  • Rear axle fluid seepage at the wheel end
  • Contamination entering the hub or axle seal area
  • Seal wear from age, heat, and mileage
  • Leak-related maintenance on Chevrolet Silverado HD and GMC Sierra HD rear axles
  • Service replacement for a damaged or hardened wheel seal

Installation Notes and Tips

Verify housing bore, shaft diameter, and seal width before installation. Clean the seal bore and shaft surface thoroughly, and inspect the hub, axle, and bearing area for wear or scoring that could affect sealing. Confirm the application position before ordering: Fits 2020-2021 Chevrolet Silverado 2500 HD, Rear; Fits 2020-2021 Chevrolet Silverado 3500 HD, Rear; Fits 2020-2021 GMC Sierra 2500 HD, Rear; Fits 2020-2021 GMC Sierra 3500 HD, Rear; Fits 2011-2019 Chevrolet Silverado 2500 HD, Rear Inner; Fits 2011-2019 Chevrolet Silverado 3500 HD, Rear Inner; Fits 2016-2019 Chevrolet Suburban 3500 HD, Rear; Fits 2011-2019 GMC Sierra 2500 HD, Rear Inner; Fits 2011-2019 GMC Sierra 3500 HD, Rear Inner.

Quality Assurance

National has a long history in sealing technology and continues to develop sealing solutions for current vehicle platforms. Part number 710927 is built to match the listed metric dimensions and application coverage for select Chevrolet Silverado HD and GMC Sierra HD rear axle service.

This part fits 48 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2021ChevroletSilverado 2500 HDRear—
2021ChevroletSilverado 3500 HDRear—
2021GMCSierra 2500 HDRear—
2021GMCSierra 3500 HDRear—
2020ChevroletSilverado 2500 HDRear—
2020ChevroletSilverado 3500 HDRear—
2020GMCSierra 2500 HDRear—
2020GMCSierra 3500 HDRear—
2019ChevroletSilverado 2500 HDRear Inner—
2019ChevroletSilverado 3500 HDRear Inner—
2019ChevroletSuburban 3500 HDRear—
2019GMCSierra 2500 HDRear Inner—
2019GMCSierra 3500 HDRear Inner—
2018ChevroletSilverado 2500 HDRear Inner—
2018ChevroletSilverado 3500 HDRear Inner—
2018ChevroletSuburban 3500 HDRear—
2018GMCSierra 2500 HDRear Inner—
2018GMCSierra 3500 HDRear Inner—
2017ChevroletSilverado 2500 HDRear Inner—
2017ChevroletSilverado 3500 HDRear Inner—
2017ChevroletSuburban 3500 HDRear—
2017GMCSierra 2500 HDRear Inner—
2017GMCSierra 3500 HDRear Inner—
2016ChevroletSilverado 2500 HDRear Inner—
2016ChevroletSilverado 3500 HDRear Inner—
2016ChevroletSuburban 3500 HDRear—
2016GMCSierra 2500 HDRear Inner—
2016GMCSierra 3500 HDRear Inner—
2015ChevroletSilverado 2500 HDRear Inner—
2015ChevroletSilverado 3500 HDRear Inner—
2015GMCSierra 2500 HDRear Inner—
2015GMCSierra 3500 HDRear Inner—
2014ChevroletSilverado 2500 HDRear Inner—
2014ChevroletSilverado 3500 HDRear Inner—
2014GMCSierra 2500 HDRear Inner—
2014GMCSierra 3500 HDRear Inner—
2013ChevroletSilverado 2500 HDRear Inner—
2013ChevroletSilverado 3500 HDRear Inner—
2013GMCSierra 2500 HDRear Inner—
2013GMCSierra 3500 HDRear Inner—
2012ChevroletSilverado 2500 HDRear Inner—
2012ChevroletSilverado 3500 HDRear Inner—
2012GMCSierra 2500 HDRear Inner—
2012GMCSierra 3500 HDRear Inner—
2011ChevroletSilverado 2500 HDRear Inner—
2011ChevroletSilverado 3500 HDRear Inner—
2011GMCSierra 2500 HDRear Inner—
2011GMCSierra 3500 HDRear Inner—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
SKF — 29587ATimken — SL260069291-33620889025