OTTO Excavator Parts Zx200-3 4Hk1 Intake Manifold Bracket 8973640460 897364-0460 8-97364046-0 For Isuzu. OTTO Bracket for ZX200-3 Excavators: Designed for Isuzu 4HK1 intake manifold, part nos. 8973640460/897364-0460/8-97364046-0. Durable support, reliable replacement.