In this video

Carefully insert the new cartridge into the faucet body, ensuring it is positioned exactly the same way as the old one. Pay close attention to any alignment pegs on the cartridge and make sure they properly line up with the corresponding holes or slots in the faucet body. Verify that the cartridge is correctly seated and aligned before proceeding. Finally, replace any retainer nuts or clips that were removed in the earlier step to securely hold the new cartridge in place.