Genuine Lenovo Bottom Base Cover 04X1931 — Replacement for ThinkPad S431 / S440
4.8(8 ratings)OEM bottom base cover for Lenovo ThinkPad S431 and S440 — part number 04X1931. This is a brand new, genuine Lenovo replacement designed to directly fit the S431 and S440 chassis. Ideal for replacing a cracked, worn, or missing underside panel to restore the laptop’s original fit and finish. Exact Lenovo part 04X1931 — ready for straightforward installation as a direct swap.
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