This is the shorter (lower) of the two pressure pipes on the steering rack
See the longer one below.
WELL KNOWN & COMMON ISSUE Old and sagging engine and transmission mounts will cause a hole to be abraded through these two steering rack pressure pipes.YES, that means that you need to replace all of your engine and transmission mounts, if you don't want this to occur again within a few months. See the mount kits shown below.
Also fits Winnebago Vista and Itasca Sunstar