Secure your classic’s interior with precision-fit 1966 Ford Mustang door and window retainers. These essential components are designed to hold door panels, trim pieces, and window components firmly in place, ensuring a clean, factory-fresh look and rattle-free performance. Over time, original retainers can become brittle, worn, or lost, compromising both appearance and function. Our high-quality replacements are built to match OEM specs for perfect compatibility and easy installation. Whether you're restoring a show car or refreshing a daily driver, new retainers are a small but critical detail that brings lasting stability and authenticity to your 1966 Mustang's doors and windows.