Product Overview This hydraulic power steering gearbox (Type 7) is an aftermarket replacement for the Hino DUTRO (Hino 300 Series) light truck, matching the N04C engine chassis. It adopts a precision worm-and-roller structure with a high-strength cast iron housing, delivering reliable pressure resistance, stable steering feel, and reduced oil leakage while lowering driver steering effort. It is widely used in logistics light truck repair and bulk wholesale applications.