High-pressure End Cap is a direct replacement for 321276-1 and 301004-1
Backup Seal Sleeve is a direct replacement for B-1002-2 and 100018-1
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
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.
Spring-energized Rod Seal is a direct replacement for A-11275 and 40050-W-1062. This is also included in the 010641-1