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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8J4386 Seal Kit | Caterpillar Replacement PartsSpecial Price $4.90 Regular Price $5.76Caterpillar 8J4386 Seal Kit
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8J4385 Seal Kit | Caterpillar Replacement PartsSpecial Price $3.96 Regular Price $4.66Caterpillar 8J4385 Seal Kit
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8J4351 Seal Kit | Caterpillar Replacement PartsSpecial Price $2.41 Regular Price $2.83Caterpillar 8J4351 Seal Kit
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8J3752 Seal Kit | Caterpillar Replacement PartsSpecial Price $1.98 Regular Price $2.33Caterpillar 8J3752 Seal Kit
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8J3749 Seal Kit | Caterpillar Replacement PartsSpecial Price $145.56 Regular Price $171.25Caterpillar 8J3749 Seal Kit
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8J3747 Seal Kit | Caterpillar Replacement PartsSpecial Price $87.44 Regular Price $102.87Caterpillar 8J3747 Seal Kit
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8J2577 Seal Kit | Caterpillar Replacement PartsSpecial Price $15.70 Regular Price $18.47Caterpillar 8J2577 Seal Kit
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8J2574 Seal Kit | Caterpillar Replacement PartsSpecial Price $1.11 Regular Price $1.31Caterpillar 8J2574 Seal Kit
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8J2413 Seal Kit | Caterpillar Replacement PartsSpecial Price $0.20 Regular Price $0.23Caterpillar 8J2413 Seal Kit
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8J2005 Seal Kit | Caterpillar Replacement PartsSpecial Price $8.81 Regular Price $10.37Caterpillar 8J2005 Seal Kit