OTTO Excavator Parts Exz 6Wg1 Intake Manifold Spring 1095801560 109580-1560 1-09580156-0 For Isuzu OTTO Intake Manifold Spring for EXZ Excavators: Designed for Isuzu 6WG1 engine, part nos. 1095801560/109580-1560/1-09580156-0. Ensures reliable manifold operation.