Ceramic Plunger (.875 in.) is a direct replacement for 010253-1 and 100013-1
Poppet Spring is a direct replacement for A-1606 and 400045-1. This is also included in the 015866-1
Low-pressure Cylinder with Chrome-plated ID is a direct replacement for 004407-1 and 100054-1. Use with the 007026-1
Inlet Poppet Housing is a direct replacement for 010564-1 and 301009-1. This is also included in the 015866-1
Check Valve Insert is a direct replacement for 004382-1 and 100034-1. This is also included in the 015866-1