High-pressure End Cap is a direct replacement for 321276-1 and 301004-1
Inlet Poppet is a direct replacement for 015384-1, 010011-1 and 100058-1. This is also included in the 015866-1
Backup Seal Sleeve is a direct replacement for B-1002-2 and 100018-1
Check Valve Assembly is a direct replacement for 010559-3 and 301002-1
Seal is a direct replacement for 004406-1, 100053-1 and 35373. Use with the 004407-1. This is also included in the 001198-1. Includes red o-ring as shown.