This NOS starter drive fits Ford F100 Pickup Trucks and other vehicles from 1957 to 1962. It has more than 7 teeth and is a direct replacement part with OEM part numbers SDN-5 and C1AZ-11350-A. The vintage part is brand new and has never been used. It is a starter motor type with universal fitment. The product is manufactured in the United States and has a superseded part number of B6C-A, B8C-A and B8QH-2A, B9TF-A, Autolite B9TF-A Autolite, 1/2. The starter drive is suitable for many vehicle models including Fairlane, Falcon, Thunderbird, and Lincoln Continental.