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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3406080 Seal Kit | Caterpillar Replacement PartsSpecial Price $196.71 Regular Price $231.42Caterpillar 3406080 Seal Kit
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3402686 Seal Kit | Caterpillar Replacement PartsSpecial Price $91.62 Regular Price $107.79Caterpillar 3402686 Seal Kit
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3388416K Seal Kit | Caterpillar Replacement PartsSpecial Price $285.34 Regular Price $335.69Caterpillar 3388416K Seal Kit
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3387156 Seal Kit | Caterpillar Replacement PartsSpecial Price $33.17 Regular Price $39.02Caterpillar 3387156 Seal Kit
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3387039 Seal Kit | Caterpillar Replacement PartsSpecial Price $89.31 Regular Price $105.07Caterpillar 3387039 Seal Kit
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3387038 Seal Kit | Caterpillar Replacement PartsSpecial Price $27.36 Regular Price $32.19Caterpillar 3387038 Seal Kit
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3385840 Seal Kit | Caterpillar Replacement PartsSpecial Price $986.90 Regular Price $1,161.06Caterpillar 3385840 Seal Kit
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3367372 Seal Kit | Caterpillar Replacement PartsSpecial Price $354.42 Regular Price $416.96Caterpillar 3367372 Seal Kit
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3367368 Seal Kit | Caterpillar Replacement PartsSpecial Price $1,021.56 Regular Price $1,201.84Caterpillar 3367368 Seal Kit
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3367359 Seal Kit | Caterpillar Replacement PartsSpecial Price $179.03 Regular Price $210.62Caterpillar 3367359 Seal Kit