Yes, it's possible to use non-IKEA sinks with IKEA cabinets, but it may require some modifications or additional hardware to ensure proper fit and installation. IKEA cabinets are designed with standard dimensions, so as long as the non-IKEA sink fits within those dimensions and the necessary plumbing adjustments are made, it can be compatible.

IKEA faucets vary in terms of reliability and durability. Some customers have reported satisfactory experiences with IKEA faucets, while others have encountered issues such as leaks or breakages. The reliability depends on the specific model and usage. It's advisable to read reviews and consider your specific needs before purchasing an IKEA faucet.