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    Yukon Gear GM 10.5/11.5, 38Spline, 4340 (38.2" - 42.2" ) Full Float Axle (8X3.563")


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    Warranty Information
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    • Product Details

      Part No. 21721

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      Yukon 4340 Chrome Moly rear axle for GM 10.5" 14 bolt truck and 11.5", 38 spline. This is a cut to fit axle which fits 38.2" to 42.2" applications. Yukon 4340 Chrome Moly alloy axles offer a strength increase over stock while retaining a low cost. Yukon 4340 Chrome Moly alloy rear axles come with a limited lifetime warranty against manufacturing defects. The factory spindles will need to be machined in order to accept these axles. Please verify bolt pattern on 2011 & later models. This axle has a 3.562" bolt pattern. Some late model applcaitons use a larger bolt pattern.

      Product Features:

      • 38 spline
      • 8 lug
      • Cut to length design fits 38.2"-42.2" applications
      • Fits GM 11.5"
      • 4340 Chromoly

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