Yanmar 729602-01560 Cylinder Block Assembly with Cylinder Head

This cylinder block assembly comprises the complete lower and upper engine structure for Yanmar 4TNV88 series diesel engines. The assembly includes the cylinder block casting (part number 729602-01560), cylinder head assembly (part number 129601-11700), four cylinder liners, four pistons with rings, four connecting rods, crankshaft, main bearing set, connecting rod bearing set, thrust washers, and camshaft. The block features integrated oil galleries, coolant passages, and mounting flanges for ancillary components. The cylinder head includes valves, springs, retainers, and rocker arm provisions. Designed for 2.189L displacement with 88mm bore and 90mm stroke. Compatible with naturally aspirated and turbocharged 4TNV88 variants. Manufactured to OEM metallurgical standards for thermal stability and wear resistance in continuous industrial duty cycles.