Upgrade and restore your heavy equipment engine performance with this complete overhaul rebuild kit designed for Yanmar 4TNV94L engines and Komatsu crawler dozers including models D20A-8, D20P-8, D20PL-8, D20PLL-8, D21A-8E0, D21A-8T, and D21P-8.
This aftermarket kit is engineered to meet or exceed OEM standards, ensuring durability, reliability, and maximum engine life. It includes all the essential components required for a full engine rebuild, from pistons and liners to gaskets, bearings, and valve seats.
🔹 Kit Contents:
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4 Pistons + 4 Piston Rings + 4 Piston Pins
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4 Cylinder Liners (Semi-Finished)
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8 Piston Clips, 4 Piston Pin Bushings
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8 Intake Valves + 8 Exhaust Valves
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8 Intake Valve Guides + 8 Exhaust Valve Guides
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5 Pairs Main Bearings, 4 Thrust Plates, 4 Pairs Con Rod Bearings
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Overhaul Gasket Kit (Excl. Head Gasket) + 1 Cylinder Head Gasket
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8 Intake Valve Seats + 8 Exhaust Valve Seats
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🔹 Fitment:
✔ Yanmar Engine: 4TNV94L (multiple variants: NCKM, NCKMK, NCKSK, NDL, NHZ, NWI, PDBWE, PDBWK, PHYBC, PHYBW, PIK, PIKA1, PIKA2, PLY, SBK, SFN, SXZ, XDB, XDBC, XDBK, XDBKC, XHYB, XHYBC)
✔ Komatsu Dozer: D20A-8, D20P-8, D20PL-8, D20PLL-8, D21A-8E0, D21A-8T, D21P-8
With premium-quality materials and precise manufacturing, this kit provides excellent wear resistance and performance under demanding conditions. Please note: the cylinder liners are semi-finished and require final machining for proper fitment.
