HP Z31 Series Maintenance And Service Manual page 13

Gasket by Distributor:
Component Description
Gasket for DP and HDMI
Specification: Gasket, EMI Shielding, 8 mm Width, 12 mm Height, 1 m Length, 80 dB
Gasket for DP and HDMI
Specification: Gasket, EMI Shielding, 7 mm Width, 7 mm Height, 1 m Length, 80 dB
To replace DP or HDMI, must need a gasket stick on shielding.
Cables can be purchased from the HP Part Store
https://partsurfer.hp.com/Search.aspx
Location Component
Identifier Distributor
Farnell
SHD
Farnell
SHD
Part number of
Manufacturer/ Distributor
3020812
3020707
11