This Piston Kit & Ring Set is designed to fit Yanmar 3TNE84, 3TNE84T engines and Komatsu 3D84E series engines, ensuring reliable engine rebuilding and performance restoration. It directly replaces OEM part numbers 129002-22090, 129002-22510, and compatible variants, making it a perfect fit for a wide range of Komatsu, Kobelco, Hitachi, Doosan, Kohler, and Gravely equipment.
Ideal for excavators, loaders, rollers, generators, road cutters, and chippers, this piston kit ensures excellent compression, reduced oil consumption, and extended engine life. Manufactured to strict OEM-quality standards, each component guarantees precise fitment and durability.
The kit includes standard size pistons, piston pins, snap rings, rod bushings, and piston rings for 3 pistons—everything needed for a smooth and cost-effective rebuild.
Features & Benefits (Bullet Points for eCommerce)
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✅ Direct OEM Replacement – Replaces part numbers 129002-22090, 129002-22510
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✅ Wide Compatibility – Fits Yanmar 3TNE84 / 3TNE84T and Komatsu 3D84E engines
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✅ Multi-Equipment Fitment – Works with Komatsu excavators, loaders, rollers, road cutters, Kohler generators, Gravely chippers, Doosan loaders & more
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✅ Complete Rebuild Kit – Includes pistons, piston pins, snap rings, rod bushings, and piston rings (STD)
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✅ OEM-Quality Durability – Precision-engineered for long engine life and reliable performance
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✅ Restores Performance – Improves compression, reduces oil consumption, and boosts efficiency
Whether you’re servicing a Komatsu PC30 excavator, WA40 loader, Kobelco SK35SR, Hitachi LX30-2, or Kohler generator models (10ROY, 14EFOZ, 15EOZ, etc.), this piston kit is the right choice for restoring engine efficiency and reliability.
