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CATERPILLAR

WQParts carries a dedicated range of Hercules sealing products for Caterpillar machinery. From rod and piston seals to complete hydraulic cylinder seal kits, these components are designed to match OEM performance while helping you control repair costs. If you maintain excavators, loaders, dozers, or other heavy equipment, Hercules seals from WQParts give you reliable sealing, strong uptime, and support from a team that understands the demands of real‑world jobsites.
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  1. 9J3406 Seal Kit | Caterpillar Replacement Parts9J3406 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J3406 Seal Kit | Caterpillar Replacement Parts
    Special Price $210.77 Regular Price $247.97
    Caterpillar 9J3406 Seal Kit
  2. 9J3369 Seal Kit | Caterpillar Replacement Parts9J3369 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J3369 Seal Kit | Caterpillar Replacement Parts
    Special Price $93.19 Regular Price $109.63
    Caterpillar 9J3369 Seal Kit
  3. 9J3056 Seal Kit | Caterpillar Replacement Parts9J3056 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J3056 Seal Kit | Caterpillar Replacement Parts
    Special Price $80.73 Regular Price $94.98
    Caterpillar 9J3056 Seal Kit
  4. 9J3055 Seal Kit | Caterpillar Replacement Parts9J3055 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J3055 Seal Kit | Caterpillar Replacement Parts
    Special Price $129.22 Regular Price $152.02
    Caterpillar 9J3055 Seal Kit
  5. 9J3054 Seal Kit | Caterpillar Replacement Parts9J3054 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J3054 Seal Kit | Caterpillar Replacement Parts
    Special Price $71.64 Regular Price $84.28
    Caterpillar 9J3054 Seal Kit
  6. 9J2991 Seal Kit | Caterpillar Replacement Parts9J2991 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J2991 Seal Kit | Caterpillar Replacement Parts
    Special Price $102.71 Regular Price $120.83
    Caterpillar 9J2991 Seal Kit
  7. 9J2987 Seal Kit | Caterpillar Replacement Parts9J2987 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J2987 Seal Kit | Caterpillar Replacement Parts
    Special Price $259.11 Regular Price $304.84
    Caterpillar 9J2987 Seal Kit
  8. 9J2944 Seal Kit | Caterpillar Replacement Parts9J2944 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J2944 Seal Kit | Caterpillar Replacement Parts
    Special Price $23.15 Regular Price $27.24
    Caterpillar 9J2944 Seal Kit
  9. 9J2547 Seal Kit | Caterpillar Replacement Parts9J2547 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J2547 Seal Kit | Caterpillar Replacement Parts
    Special Price $10.68 Regular Price $12.56
    Caterpillar 9J2547 Seal Kit
  10. 9J1697 Seal Kit | Caterpillar Replacement Parts9J1697 Seal Kit | Caterpillar Replacement Parts Quick Shop
    9J1697 Seal Kit | Caterpillar Replacement Parts
    Special Price $75.59 Regular Price $88.93
    Caterpillar 9J1697 Seal Kit
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