This genuine Ford crankshaft gear is a direct replacement for the OEM part reference #2 on the diagram. It is a sprocket type gear with a 1 year warranty. The part number is XL3Z-6306-AA and it is compatible with Ford, Lincoln, and Mercury vehicles. This product is a genuine OEM Ford part and the SKU is XL3Z6306AA. It is important to only purchase the parts that are needed for your vehicle to avoid unnecessary expenses.