HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PC

Item Description Spare part number
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For 33.8-cm (13.3-in) displays with webcam and without WWAN 625699-001
For use in coffee-colored 35.6-cm (14.0-in) models in Singapore 663980-001
Plastics Kit
Item Description Spare part number
Plastics Kit: 599563-001
(1) ExpressCard slot bezel
(2) Optical drive blank (used with no ODD option)
RJ11 (modem) connector blank (not illustrated, used with No-Modem option)
36 Chapter 3 Illustrated parts catalog