OTTO Control Valve Sleeve Bushing (4424628) for Hitachi ZX excavator - inside the main control valve block, or on the pilot circuit that shifts the spools. It directs pump flow to the cylinder or motor that the operator commands, and sets the pressure in that circuit. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Main Fusible Link Cable (4423418) for Hitachi ZX excavator - mounted on the pump, the valve block, or in the harness run to the cab. It switches hydraulic flow electrically or reports machine condition back to the controller. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Control Valve Spool Piston (4422202) for Hitachi ZX excavator - inside the main control valve block, or on the pilot circuit that shifts the spools. It directs pump flow to the cylinder or motor that the operator commands, and sets the pressure in that circuit. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Flow Control Hydraulic Valve (4422188) for Hitachi ZX excavator - inside the main control valve block, or on the pilot circuit that shifts the spools. It directs pump flow to the cylinder or motor that the operator commands, and sets the pressure in that circuit. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Compression Return Spring (4413753) for Hitachi ZX excavator - bolted to the pump drive on the engine, behind the coupling. It draws oil from the hydraulic tank and delivers it under pressure to the main control valve, which feeds the boom, arm, bucket and travel circuits. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Hydraulic Hose (4411793) for Hitachi ZX excavator - on the hydraulic circuit of the machine, in the position shown for this part. It carries, stores or cleans the hydraulic oil that every circuit on the machine depends on. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Hydraulic Pump Roller Bearing (4410050) for Hitachi ZX200-5G / ZX240-3 (HPV118) excavator - fitted into the housing, gland or hub of the component it seals. It keeps oil inside the joint and dirt outside, so pressure is held and the mating surfaces do not wear. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Pilot Valve Retaining Plate (4407464) for Hitachi ZX excavator - at the end of the track frame or under the swing bearing, driven by the travel or swing motor. It takes the drive from the motor and turns it into the slow, high torque rotation that moves the track or the upper structure. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Flow Control Hydraulic Valve (4407253) for Hitachi ZX excavator - inside the main control valve block, or on the pilot circuit that shifts the spools. It directs pump flow to the cylinder or motor that the operator commands, and sets the pressure in that circuit. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Cylindrical Roller Bearing (4402669) for Hitachi ZX excavator - fitted into the housing, gland or hub of the component it seals. It keeps oil inside the joint and dirt outside, so pressure is held and the mating surfaces do not wear. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Fastener Dowel Pin (4397509) for Hitachi ZX excavator - in the position shown for this part on the machine. It carries load, locates the mating component and takes the wear so the assembly around it keeps working. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.

OTTO Hydraulic Pump Ball Bearing (4395453) for Hitachi ZX330 / ZX350 (HPV145) excavator - fitted into the housing, gland or hub of the component it seals. It keeps oil inside the joint and dirt outside, so pressure is held and the mating surfaces do not wear. Supplied as an OTTO replacement, checked before packing, with 3-12 months warranty options. Send us your machine serial and a photo of the old part and we will confirm fitment before dispatch.