Overhaul Gasket Kit Replacement for Hitachi ZX40U ZX50U Long-Life
5-87814-313-1 Overhaul Gasket Kit for Isuzu 4LE2, MLS Head Gasket, ±0.02mm Tolerance — compatible with Hitachi ZX40U, ZX50U, ZX55UR and EX55UR-3 compact excavators. This complete seal set supports planned engine rebuilds, addressing weeping head joints, compression loss, and rising coolant consumption before cascade damage occurs. Stock ahead of scheduled overhaul intervals to avoid unplanned downtime. Includes cylinder head, oil pan, intake and exhaust manifold gaskets Compatible with Isuzu 4LE2 and 4LE2-XYBB01 engine variants NBR oil pan gasket with metal core reinforcement Replacement cycle guidance and cross-reference verification included with shipment