Fan duct for ProDesk 400 G3

The HP 914257-001 fan duct is a replacement part for the ProDesk 400 G3. It is identified as the Pls Fan Duct Ent17 Dm and serves as a component in the computer’s cooling assembly.

In HP’s service guide for the ProDesk 400 G3 Desktop Mini, the duct is positioned behind and partly over the heat sink. It is removed during heat-sink servicing, so this part is relevant when repairing or restoring that assembly. The guide describes its location and service role; it does not specify further dimensions or package contents.