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Generic fans may share the same plug and wire layout, but that doesn’t mean they’ll perform identically. All modern Acer laptops, including the PHN16-71, rely on BIOS-level EC (Embedded Controller) protocols to regulate fan speed and thermal response. If the replacement fan lacks the correct firmware handshake or RPM feedback profile, it may spin erratically, fail to ramp under load, or trigger BIOS errors.

The PHN16-71 uses a specific GPU fan with EC-compliant signaling. Substituting with a generic unit—even if it physically fits—can compromise thermal performance and system stability. Physical compatibility ≠ firmware compliance.

Zandparts ships worldwide and is one of Acer’s largest authorized distributors. Their catalog is based directly on Acer’s OEM inventory, and they’ve consistently supplied verified components for PHN16-71 and other models—even when Acer’s own documentation is limited.

A Canadian outfit once mirrored Zandparts’ listings but is no longer active. Zandparts remains the most reliable source for genuine parts, with global reach and direct Acer endorsement.

For the exact GPU fan (23.QLTN7.001) for PHN16-71, here’s the verified listing: https://www.zandparts.com/en/product/acer-23-qltn7-001

Let’s keep the focus on practical sourcing and verified support. Happy to assist with teardown steps or thermal paste tips if needed.

the site i refer to is for the US and canadian market and is authorized by acer zandparts seems to be more for overseas i just need to keep track of all the part numbers

Hi Kiriko,

• “Generic” type replacement fans often do not communicate properly with the EC (Embedded Controller) in the BIOS, which can result in poor or inconsistent fan control.
• I strongly recommend sourcing the original Acer fan to ensure correct speed regulation and thermal performance.
• Zandparts in Sweden is a major distributor and recognised authority for exclusively original Acer spare parts. They can supply the exact fan specified for your model.

Zandparts – Acer original spare parts: https://www.zandparts.com

i wish they would do better on that if people need parts once the warranty expires i know overseas zandparts is one distributor hwile for us and canada sourceitstore is for the us and one other site i cant remember the name i had to substitute a better part for a product i own

For reference: the GPU fan part number 23.QLTN7.001 is listed by Zandparts under the PHN16-71 category, not just the PHN16-72. The listing is based on Acer’s OEM inventory and matches the fan layout used in PHN16-71 teardown photos. https://www.zandparts.com/en/product/acer-23-qltn7-001

While Acer’s public documentation doesn’t always list fan part numbers per sub-model, verified suppliers like Zandparts often fill that gap with direct sourcing.

If this concludes your question please mark my comment as "Yes Answered"

im guessing the one for the newer model is just a generic picture from the previous model in its place as a placeholder but i do appreciate ya posting this so i have part number saved

asimkhan, just some additional information and something that you should be aware of with your model PHN16-71-xxxx heatsink, cpu and gpu components, as I've got extensive experience with upgrading ram, M.2 and changing the paste on this specific model that I also own.

Be aware that Acer does NOT list any specific Acer part numbers for the cpu/gpu fan for the model PHN16-71 laptop, they do list these cpu/gpu fan Acer part numbers for the one up model the 14th Gen model PHN16-72 and the fan link given above, is for the PHN16-72 and it could be that they don't fit, as the PHN16-71 and 72 models have different thermal modules and Acer part numbers like shown below.

I would suggest that the best option to change the gpu fan of your PHN16-71 laptop is to look at the part number and type of fan written on the oem gpu fan that your PHN16-71 model has and don't rely on Acer part numbers from other models. Good luck and hope this assists you further.

This is the PHN16-71 model heatsink

This is the heatsink for the PHN`16-72

If this answers your question and solved your query please "Click on Yes" or "Click on Like" if you find my answer useful👍

Hi asimkhan, Thanks for the detailed post. Based on your model (Predator Helios Neo 16 PHN16-71), the left-side fan is indeed the GPU fan. The symptoms you described — noise, intermittent failure, and needing to tilt the unit — strongly suggest the bearing has degraded, likely worsened by the use of WD-40 contact cleaner. These fans use sealed bearings and aren’t designed for consumer lubricants, even “no residue” types.

The correct GPU fan part number is 23.QLTN7.001, and it’s available from Zandparts as an original-quality replacement: https://www.zandparts.com/en/product/acer-23-qltn7-001

Zandparts also stocks the CPU fan for this model, typically listed separately. If you're considering replacing both, it’s worth checking their catalog or contacting them directly to confirm the matching CPU fan part number.

Let us know if you need help with disassembly steps or thermal paste recommendations during the swap.