Isuzu Cylinder Block Assembly 4JB1

This cylinder block assembly is engineered for the Isuzu 4JB1 four-cylinder diesel engine. The block features a 93mm cylinder bore and 102mm stroke configuration with a total displacement of 2,771cc. Constructed from high-grade cast iron for structural rigidity and thermal stability under heavy-duty operating conditions. The assembly includes the cylinder block casting with main bearing caps and provisions for piston-liner kits, crankshaft, and connecting rods. Designed to OEM specifications for direct replacement in industrial and construction equipment applications. Compatible with both naturally aspirated and turbocharged 4JB1 variants. Precision-machined main bearing bores and cylinder bores ensure proper oil clearance and compression sealing. Water-cooled jacket design maintains optimal thermal management.