FOR TPN-W139 Main Board (14T/M-DH, 14-DH) — L51133-601,001 / 18742-1

Replacement main board for TPN-W139 series laptops. Compatible with 14T/M-DH and 14-DH models. OEM part numbers: L51133-601,001 and 18742-1. Please confirm your device model and part number match before purchasing to ensure proper fit.