OTTO Excavator Parts Zx450 6Wg1 Intake Manifold 1141105910 114110-5910 1-14110591-0 For Isuzu OTTO Intake Manifold for ZX450 Excavators: Designed for Isuzu 6WG1 engine, with part numbers 1141105910/114110-5910/1-14110591-0. Optimizes air flow to support stable excavator operation.