- For Type Number: C402, C421, C427, C471, & C477
P639A Brake Chamber Assembly - 129237
P639A Cotter Pin for Lever - 127092
P639A Fuse Plug - 127910
P639A Spring Lock Washer - Plated Carbon Steel (Qty. 3) - 129322
For Parts not listed above refer to P639A Parts and contact Squibb Taylor for assistance.