OTTO EGR Pipe Nut 8-97061401-1 (8970614011) is a dedicated fastener for Isuzu 6HK1 engine on Hitachi ZX330-3 excavator. It provides steady clamping force to secure the EGR pipe joint, avoiding gas leakage caused by high temperature and engine vibration.

OTTO Isuzu Engine Stud 9-04130825-0 (9041308250) is a heavy-duty threaded fastener for Isuzu engines fitted on Hitachi excavators. It delivers uniform clamping tension to connect engine assemblies firmly and prevents joint separation under strong vibration during excavation operations.

OTTO Isuzu Engine Filter 9-81355065-0 (9813550650) is a professional filtration component designed for Isuzu engines and Hitachi excavator equipment. It effectively traps fine impurities, dust and metal particles in engine oil or fuel, purifying circulating fluid and protecting core engine parts from abrasive wear during long-term construction operation.

OTTO Exhaust Pipe Stud 8-98048446-0 (8980484460) is a heavy-duty fastener for Isuzu 4JJ1 engine of Hitachi ZX110-3 excavator. It delivers consistent clamping force to secure the exhaust pipe assembly, avoiding exhaust gas leakage caused by engine vibration during continuous excavation work.

OTTO Oil Pipe Gasket 1-09623462-0 (1096234620) is a precision sealing spare part for Isuzu 4HK1 engine mounted on Hitachi ZX200-3 excavator. It forms a tight seal on engine oil pipe joint to stop lubricating oil leakage and protect the engine lubrication system under continuous working vibration.

The OTTO Exhaust Manifold Stud 8-97307075-2 (8973070752) is a professional fastening component customized for the Isuzu 4JJ1 engine of Hitachi ZX110-3 excavator. It provides stable and uniform locking tension to firmly fix the exhaust manifold, effectively preventing component loosening and exhaust gas leakage caused by long-term engine vibration and high-temperature operation.

OTTO Injector Nozzle Gasket 8-98181540-0 (8981815400) is a precision sealing part for Isuzu 4JJ1 engine on ZX110-3 excavator. It forms a tight seal around the fuel injector nozzle to stop high-pressure fuel leakage and avoid combustion gas blow-by during engine operation.

OTTO Intake Manifold Bolt 0-28650830-0 (0286508300) is a dedicated fastener for Isuzu 6BG1T engine on ZX200 excavator. It offers consistent clamping force to fix the intake manifold firmly, preventing air ingress and unstable air-fuel mixture under engine vibration.

OTTO Pilot Gear Pump Coupling (3055594) for Hitachi EX200-5 / ZX200 / EX240-3 (HPV102) 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 Travel Device Assy EX210LC for the Hitachi EX210LC excavator - supplied as a complete travel device, ready to fit. It sits at the end of the track frame and takes the drive from the travel motor - the reduction gears turn the motor speed down into the slow, high torque drive that pulls the track sprocket. It is supplied as a complete assembly, so the old unit is unbolted and swapped. Send us the machine serial and the number on your old unit and we will confirm before dispatch. 3-12 months warranty options.

OTTO Pilot Valve Connecting Link (3039569) 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 HPV118 for the Hitachi ZX280-5LC excavator (HPV118) - supplied as a complete hydraulic pump, ready to fit. It is the variable displacement piston pump that feeds the whole machine, and it bolts straight onto the original pump drive, so the old pump is unbolted and swapped. Send us the machine serial and the number on your old unit and we will confirm before dispatch. 3-12 months warranty options.