Insta 2 Valve Body is a direct replacement for 010104-1 and 100048-3
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
Hoop is a direct replacement for 004407-1 and 100054-1. Use with the 004406-1. This is also included in the 001198-1
Check Valve Assembly is a direct replacement for 010559-3 and 301002-1