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Black bottom cover for ThinkPad X1 Carbon

NA

NA ThinkPad X1 Carbon Bottom Cover 01YR421 01YT270

SKU CH-SEXR-HFNCF

Replacement bottom cover for Lenovo ThinkPad X1 Carbon, part numbers 01YR421 and 01YT270

  • Case styleBottom Cover
  • Genuine Lenovo replacement restores original chassis integrity
  • Bottom cover design protects internal components from damage
  • Compatible with ThinkPad X1 Carbon models 01YR421 01YT270
  • New condition ensures pristine fit and finish

Genuine ThinkPad X1 Carbon Bottom Cover

This replacement base cover fits the ThinkPad X1 Carbon and carries part numbers 01YR421 and 01YT270. It restores the laptop’s structural integrity and protects internal components. Buyers needing a top case, keyboard deck or display assembly should look elsewhere as this part only covers the lower chassis.

Thermals Noise and Power Draw

The bottom cover is a passive plastic chassis component with no moving parts or electronics. It adds no audible noise and draws zero power during operation. Thermal behaviour depends on the system’s internal cooling design rather than the cover itself.

How it compares

Measured against everything we stock in Laptop Carrying Cases & Bags, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 81% of the 5,942 comparable items (median $24.99).

Specifications

Size & build
Case styleBottom Cover

Questions about this item

How do I install the 01YR421 bottom cover on my ThinkPad X1 Carbon, and which step is often missed?

Remove all screws from the old base, lift the cover gently to release the clips, then press the new cover firmly until every clip clicks; the step often missed is re-seating the internal antenna cables before tightening the screws.

What maintenance or replacement will the 01YT270 lower case need over time?

The plastic clips can fatigue after repeated removals, so plan to replace the cover if the edges no longer sit flush or if screw bosses crack during a future SSD or battery swap.

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