The Singer sewing machine model 66 is a classic machine that has been around for over a century. It is known for its durability and reliability, and many people still use it today. The parts category for this machine includes a wide range of original vintage and new replacement parts. Since there were several variations of the Model 66 over the years, the parts may vary depending on the specific model. If you have any specific questions about the parts category for your Singer Sewing Machine Model 66, please let me know. I’m here to help!