Piston Snap Ring is a direct replacement for A-0270-300 and 400049-300
Inlet Poppet is a direct replacement for 015384-1, 010011-1 and 100058-1. This is also included in the 015866-1
Guide Bushing (End Bell) is a direct replacement for B-1040-2
Check Valve Body is a direct replacement for 004383-3 and 100009-1. Repair kit for check valve is 015866-1. This is also included in the 010559-3
Retaining Screw is a direct replacement for 004380-1 and 100056-1. This is also included in the 015866-1