Upgrade your diesel engine performance with this complete overhaul rebuild kit designed for Yanmar 4TNV94 / 4TNV94L and Komatsu 4D94LE engines. Built with OEM-quality components, this kit provides everything required for a professional-grade rebuild, ensuring durability, efficiency, and long-lasting engine life.
What’s Included in the Overhaul Kit
This rebuild kit contains all the essential engine parts for a full restoration:
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Cylinder liner kit (semi-finished, requires machining) – 4 Units
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Pistons – 4 Units
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Piston rings – 4 Units
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Piston pins – 4 Units
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Piston clips – 8 Units
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Piston pin bushings – 4 Units
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Intake valves – 8 Units
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Exhaust valves – 8 Units
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Intake valve guides – 8 Units
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Exhaust valve guides – 8 Units
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Main bearings – 5 Pairs
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Thrust plates – 4 Units
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Connecting rod bearings – 4 Pairs
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Overhaul gasket kit (without cylinder head gasket)
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Cylinder head gasket – 1 Unit
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Intake valve seats – 8 Units
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Exhaust valve seats – 8 Units
Engine Compatibility
Yanmar 4TNV94 / 4TNV94L Engines
Compatible with multiple Yanmar 4TNV94L models, including:
4TNV94L-NCKM, 4TNV94L-NCKMK, 4TNV94L-NCKSK, 4TNV94L-NDL, 4TNV94L-NHZ, 4TNV94L-NWI, 4TNV94L-PDBWE, 4TNV94L-PDBWK, 4TNV94L-PHYBC, 4TNV94L-PHYBW, 4TNV94L-PIK, 4TNV94L-PIKA1, 4TNV94L-PIKA2, 4TNV94L-PLY, 4TNV94L-SBK, 4TNV94L-SFN, 4TNV94L-SXZ, 4TNV94L-XDB, 4TNV94L-XDBC, 4TNV94L-XDBK, 4TNV94L-XDBKC, 4TNV94L-XHYB, 4TNV94L-XHYBC.
Komatsu 4D94LE Engines
Fits Komatsu engine models:
4D94LE-2Z-AD, 4D94LE-2Z-AE, 4D94LE-2Z-AB, 4D94LE-2Z-AC, 4D94LE-2, 4D94LE-2Z-BB, 4D94LE.
Why Choose This Rebuild Kit?
OEM-Quality Components
Manufactured with strict quality control to match OEM standards, ensuring precise fit and long engine life.
Complete Engine Solution
Includes pistons, liners, bearings, gaskets, valves, and guides—everything needed for a reliable engine rebuild.
Designed for Yanmar & Komatsu
Perfectly engineered to fit Yanmar 4TNV94 / 4TNV94L and Komatsu 4D94LE engines without compatibility issues.
Enhanced Performance
Restores lost engine power, reduces downtime, and improves overall machine reliability.
Important Note
Cylinder liners are supplied semi-finished and require machining before installation.
