Upper Case Palmrest Top Cover with Backlit Keyboard for E3420 / 3420 — D/PN 04PX9K (4PX9K)

Replacement upper case palmrest top cover with integrated backlit keyboard, compatible with model E3420 (3420). Listed under D/PN 04PX9K and 4PX9K, this assembly serves as a direct-fit repair or upgrade part for the specified laptop. Ideal for restoring the top cover and keyboard functionality while keeping original mounting points and layout.