Compression Spring (Outer) is a direct replacement for A-1012 and 400053-1
Inlet Poppet Housing is a direct replacement for 010564-1 and 301009-1. This is also included in the 015866-1
Guide Bushing (End Bell) is a direct replacement for B-1040-2
Seal Repair Kit with Bronze Backups is a direct replacement for 001198-1 and 302004-1
Hydraulic Piston is a direct replacement for 007026-1 and 100010-1. Use with the C-1000-1