BELIEVE THIS CAME OFF A 4X4 GREASE NIPPLE This product is a Ford 31 splines transmission slip yoke, designed specifically for rear placement on a vehicle with an automatic transmission. It is not a universal fitment part, making it suitable for a Ford vehicle. The yoke is a genuine Ford part, ensuring quality and compatibility with the specified vehicle. At $45, this slip yoke is a reliable and affordable component for maintaining or repairing a Ford vehicle's transmission system.