Lenovo ThinkPad T400 Laptop Heatsink Fan 45N6144 45N6146 45N6140 45N6147 45N6145

Product Description

The Lenovo ThinkPad T400 Heatsink Fan is a replacement laptop cooling component listed with part numbers 45N6144, 45N6146, 45N6140, 45N6147, and 45N6145. The heatsink helps transfer heat away from the processor, while the fan circulates air to support effective cooling.

If your Lenovo ThinkPad T400 experiences overheating, unusual fan noise, or cooling problems, replacing a faulty cooling assembly may help restore proper thermal performance. Before ordering, compare the part number, connector, mounting points, and heatsink design with your original component to confirm compatibility.

Compatible Models

• Lenovo ThinkPad T400

Confirm your exact laptop configuration and original cooling assembly before purchasing.

Compatible Part Numbers

• 45N6144
• 45N6146
• 45N6140
• 45N6147
• 45N6145

Note: Verify that your specific part number matches the replacement assembly, as different configurations may use different cooling components.

Product Details

• Product Type: Laptop Heatsink Fan Assembly
• Compatible Brand: Lenovo
• Laptop Series: ThinkPad T Series
• Compatible Model: ThinkPad T400
• Part Numbers: 45N6144, 45N6146, 45N6140, 45N6147, 45N6145
• Function: Processor cooling and heat dissipation
• Assembly Type: Heatsink with cooling fan
• Installation: Professional installation recommended

Warranty Details

1 Month Replacement Warranty

Replacement is subject to verification of the functional issue and the applicable warranty terms.

Important Note

• Confirm your laptop is a Lenovo ThinkPad T400 before ordering.
• Match the original part number with the replacement cooling assembly.
• Check the connector, mounting points, and heatsink shape before installation.
• Professional installation is recommended to avoid damage to the motherboard or other components.
• If your original part number differs, confirm compatibility with the seller before purchasing.

Frequently Asked Questions

1. Which laptop is compatible with this heatsink fan?

This product is listed for the Lenovo ThinkPad T400. Check your exact model and original part number before ordering.

2. Which part numbers are listed for this product?

The supplied part numbers are 45N6144, 45N6146, 45N6140, 45N6147, and 45N6145.

3. What does a laptop heatsink fan do?

The heatsink transfers heat away from the processor, while the fan helps circulate air to maintain suitable operating temperatures.

4. When should I replace my ThinkPad T400 heatsink fan?

Consider replacement if the fan is faulty, makes unusual noise, or the laptop overheats due to a cooling-system problem.

5. Does this product include a replacement warranty?

Yes, it includes a 1 Month Replacement Warranty, subject to the applicable terms.