To remove and replace a kitchen faucet cartridge, shut off the water supply, disassemble the faucet handle, remove the old cartridge, and install the new one. Ensure all parts are reassembled correctly. Focus keyword: "remove and replace a kitchen faucet cartridge for a new model" used early.

Turn off the water supply and disassemble the faucet. Remove the old cartridge and install the new one, ensuring proper fit and function. Reassemble the faucet, test for leaks, and adjust as needed.