When it comes to choosing a good quality car fuel filter, there are a few things to look for:

1. Compatibility: Make sure the fuel filter you choose is compatible with your car's make and model. Check the manufacturer's specifications and make sure the filter meets or exceeds those requirements
2. Efficiency: A good quality fuel filter should be efficient in removing impurities and contaminants from the fuel, preventing them from entering the engine. Look for a filter with a high filtration efficiency rating.
3. Durability: The fuel filter should be made with high-quality materials that are designed to last. Look for filters with durable housing materials, such as metal or high-grade plastic, and filter media that is sturdy and can withstand high flow rates.
4. Certification: Look for fuel filters that are certified by recognized organizations such as SAE (Society of Automotive Engineers) or ISO (International Organization for Standardization). This is an indication that the filter has been tested and meets certain quality and performance standards.
5. Price: While price shouldn't be the only factor, a fuel filter that is significantly cheaper than other options may be of lower quality. Look for a filter that is well-priced but not suspiciously cheap.