HP Envy 17-J178CA Laptop Fan 720235-001 720539-001 [HP Envy 17-J178CA Laptop Fan] – CAD$28.99 :

This is a brand new HP Envy 17-J178CA fan to replace your current aging part. All our replacement HP Envy 17-J178CA cooling fans are rigorously tested and exceed original equipment manufacturer specifications. Please be aware that many fans have the same part number and you should make sure that you remove the old fan from your laptop and compare it with the picture we list.