Hitachi excavator Isuzu parts 8-94451990-2 exhaust manifold

Hitachi Excavator 8-94451990-2 Exhaust Manifold Assembly is specially designed for precise matching of small and medium-sized excavator ISUZU 4JG1/4JG2 engines such as ZAX60, ZAX70, ZAX110-3, ZX70-3, ZX75-3, ZX80-3, ZX85-3, etc. It is a key exhaust convergence and heat dissipation component in the engine exhaust system, directly responsible for heat dissipation, exhaust pressure control, and engine cooling. Made of high-strength cast iron/alloy steel material, precision welded structure, and high-temperature resistant sealing ring, it is heat-resistant, corrosion-resistant, vibration resistant, and wear-resistant. Perfectly solve problems such as exhaust pipe blockage, abnormal exhaust pressure, engine temperature rise, decreased fuel efficiency, insufficient compression pressure, high water and oil temperature, weak walking, and car stalling.