HP ProBook 4540s/4545s Laptop Hard Drive Connector Replacement - P/N: 48.4SJ02.0

HP ProBook 4540S 4740S USB Board with Cable – 50.4SJ03.021 – Genuine, Tested

HP PROBOOK 4540S Webcam module - 720p 683508-001

HP ProBook 4540s 4545S USB Board + Cable 48.4SJ03.011

HP ProBook 4540s 4545S 4740S CPU Cooling Fan 683484-001

HP ProBook 4540S Laptop - Base Cover Housing - 683476-001

HP ProBook 4540s 4545S CPU Cooling Heatsink Bracket 683490-001

HP ProBook 450 G2 Battery Connector Cable DC020021M00