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Black laptop base cover with silver trim, rubber feet and battery latches

DELL

DELL Inspiron 17 3721 5721 Base Bottom Cover Assembly GCJXJ Silver Trim

SKU CH-0J0B-3KWW0

Genuine Dell OEM base bottom cover assembly with silver trim, battery latches and rubber feet for Inspiron 17 3721 and 5721 laptops

  • Genuine Dell OEM part ensures exact fit for Inspiron 17 3721 and 5721
  • Silver trim on top edge matches original chassis colour and style
  • Includes battery latches so the battery locks securely in place
  • Rubber feet supplied to keep the laptop stable on any surface
  • Black base cover assembly restores the lower housing to factory condition

Genuine Dell Base Cover for Inspiron 17 3721

This genuine Dell OEM base bottom cover assembly replaces the original chassis on Inspiron 17 models 3721 and 5721. It arrives new with black finish and silver trim around the top edge. The part includes integrated battery latches and rubber feet for immediate installation.

Direct Replacement Restores Structural Integrity

As a factory-original component, the assembly matches the exact mounting points and latch geometry of the damaged unit. It returns the laptop to its designed rigidity without the fitment issues common to generic alternatives. The silver accent trim aligns precisely with the existing palm-rest colour.

Verify Your Exact Model Number Before Ordering

This part fits only the Inspiron 17 3721 and 5721; other 17-inch Inspiron generations use different base castings. Confirm the service tag or bottom-sticker model number matches 3721 or 5721. Buyers needing a cover for a different series will require a separate Dell part number.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 63% of the 8,808 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

How much heat does the Inspiron 17 3721 5721 base cover generate during all-day use?

The base cover is a passive chassis part with no electronics, so it produces no heat of its own; it simply conducts warmth from the internal components.

What existing parts must I already own to install the GCJXJ bottom assembly on my Inspiron 17?

You need the motherboard, CPU, RAM, storage drives, battery, palm-rest assembly, display hinges and all internal screws that belong to the 3721 or 5721 chassis.

Will the silver-trim GCJXJ cover fit the original black rubber feet and battery latches from my older Inspiron 17?

Yes, the assembly already includes matching rubber feet and battery latches, so the original separate parts are not required.

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