Item 1 114-2687: O-ring 1 114-4427: O-ring 1 1S-4810: Gasket 1 1S-6595: Gasket 4 2N-2766: LOCK-NUT 2 4L-8337: O-Ring 2 5S-1188: O-Ring 1 6V-3251: O-ring 1 7M-7273: Gasket 1 8H-5027: Gasket MARINE PRODUCTS: 3406B ENGINE - GENERATOR SET: 3406B MOTOR GRADER: 16H NA ENGINE - MACHINE: 3406B ENGINE - INDUSTRIAL: 3406B