New Compatible Bottom Case D Cover for Lenovo ThinkPad T440p – 04X5400 AP0SQ000800

Product Description

The compatible bottom case D cover for the Lenovo ThinkPad T440p is a replacement laptop casing component designed to protect internal hardware and provide structural support for the laptop base. It helps maintain the laptop’s enclosure when the original bottom cover is cracked, broken, or damaged.

This replacement cover is identified by part numbers 04X5400 and AP0SQ000800. Before ordering, compare the original cover’s part number, dimensions, screw positions, ventilation openings, and overall casing shape to confirm compatibility.

Compatible Models

• Lenovo ThinkPad T440p — verify the exact configuration

Important: Confirm your exact laptop model and original D cover design before purchasing.

Compatible Part Numbers

• 04X5400
• AP0SQ000800

Product Details

• Brand Compatibility: Lenovo
• Product Type: Laptop Bottom Case / D Cover
• Compatible Series: ThinkPad T440p
• Part Numbers: 04X5400, AP0SQ000800
• Condition: New Compatible
• Function: Protects internal components and supports the laptop base
• Installation: Internal casing replacement
• Compatibility: Must match the original cover’s design and mounting points

Warranty Details

1 Month Replacement Warranty

Important Note

• This is a new compatible replacement cover, not necessarily an original Lenovo-manufactured part.
• Compare the part numbers, screw holes, ventilation openings, ports, and casing shape with your original cover.
• Confirm whether the listing includes only the bottom D cover or any additional casing components.
• Transfer reusable rubber feet or other parts if they are not included.
• Professional installation is recommended if you are unfamiliar with laptop disassembly.

Frequently Asked Questions

1. Which laptop is this bottom cover designed for?
It is listed for the Lenovo ThinkPad T440p. Verify your exact model before ordering.

2. What are the part numbers for this cover?
The supplied references are 04X5400 and AP0SQ000800.

3. What does D cover mean?
D cover generally refers to the bottom case of a laptop.

4. Is this an original Lenovo part?
It is described as a new compatible replacement cover, not necessarily an original Lenovo-manufactured component.

5. How can I confirm compatibility?
Compare your original cover’s part number, dimensions, mounting holes, and ventilation openings with the replacement.