Spring (352 ID) is a direct replacement for A-12219 and 72185141
Inlet Poppet Housing is a direct replacement for 010564-1 and 301009-1. This is also included in the 015866-1
High-pressure End Cap is a direct replacement for 321276-1 and 301004-1
Check Valve O-ring (-125) is a direct replacement for A-0275-125 and 400043-125. This is also included in the 015866-1
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