Restore smooth, reliable window operation in your classic with high-quality 1966 Ford Mustang door and window regulators. Over time, original regulators can become worn, rusted, or sluggish, making window operation frustrating or even impossible. Our premium replacement regulators are built to factory specifications, ensuring a precise fit and effortless function for both manual and power window setups. Made from durable materials for long-term performance, these regulators make a big difference in comfort, usability, and the overall driving experience. Whether you're completing a full restoration or fixing a single malfunctioning window, new window regulators are a must-have upgrade for any 1966 Mustang enthusiast.