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Replacement external bottom case enclosure lower panel for MacBook Pro 16-Inch.

MacBook Pro 16-inch A3403 M4 Pro Bottom Case 2024

This premium MacBook Pro 16-Inch A3403 M4 Pro Bottom Case Replacement provides structural protection for internal electronic components. The lower enclosure panels align precisely with charging ports and thermal cooling vents. It fixes deformed frames and dented bases.

SKU: A3403-BC

Brand: Apple

Primary Category: 2024 MacBook Pro A3403

Shipping: 5 - 9 days

Color:

Physical Condition

Clear

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Product Specifications

General

SKU

A3403-BC

Brand

Apple

Year

2024

Color

Space Black

Material

Alloy Steel

Model Number

A3403

Additional Details

Compatibility

MacBook Pro 16" Family Model: A3403
NOTE: Please verify your device's model number to ensure that this part is compatible.

Whats in the box

Bottom Case

Description

This A3403 Bottom Case for 2024 MacBook Pro 16″M4 Pro replaces the lower chassis, restoring structural stability and alignment between internal components. The part secures ports, connectors, and internal hardware while addressing damage from drops, warping, or wear. Replacing this case ensures proper closure with the top housing and maintains device durability during daily use.

Protects internal logic boards and battery packs from physical impacts by offering a rigid outer metal shield.
Fixes warped or twisted laptop enclosures to allow seamless alignment between the lower body and top screen lid.
Maintains standard airflow distributions through accurately placed exhaust vents to keep working temperatures low and stable.
Replaces dented aluminum shells, missing support feet, and scratched lower housing panels to return a smooth flat surface.

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MacBook Pro 16-inch A3403 M4 Pro Bottom Case 2024