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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. 5J5037 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J5037 Seal Kit | Caterpillar Replacement Parts
    Special Price $98.95 Regular Price $116.41
  2. 5J5020 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J5020 Seal Kit | Caterpillar Replacement Parts
    Special Price $20.94 Regular Price $24.63
  3. 5J4997 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4997 Seal Kit | Caterpillar Replacement Parts
    Special Price $29.42 Regular Price $34.61
  4. 5J4993 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4993 Seal Kit | Caterpillar Replacement Parts
    Special Price $32.82 Regular Price $38.61
  5. 5J4991 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4991 Seal Kit | Caterpillar Replacement Parts
    Special Price $27.14 Regular Price $31.93
  6. 5J4990 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4990 Seal Kit | Caterpillar Replacement Parts
    Special Price $24.17 Regular Price $28.43
  7. 5J4989 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4989 Seal Kit | Caterpillar Replacement Parts
    Special Price $23.65 Regular Price $27.82
  8. 5J4987A Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4987A Seal Kit | Caterpillar Replacement Parts
    Special Price $19.31 Regular Price $22.72
  9. 5J4987 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4987 Seal Kit | Caterpillar Replacement Parts
    Special Price $19.31 Regular Price $22.72
  10. 5J4986 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J4986 Seal Kit | Caterpillar Replacement Parts
    Special Price $17.68 Regular Price $20.80
  11. 5J3934 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J3934 Seal Kit | Caterpillar Replacement Parts
    Special Price $1.56 Regular Price $1.84
  12. 5J3886 Seal Kit | Caterpillar Replacement Parts Quick Shop
    5J3886 Seal Kit | Caterpillar Replacement Parts
    Special Price $1.28 Regular Price $1.50
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