THIS IS A NOS FORD MOTORCRAFT D4AZ-12370-D DD-683 DISTRIBUTOR VACUUM ADAVNCE DIAPHRAGM. THE BOX IS IN BAD SHAPE, MISSING FLAPS,STAINED. DO NOT KNOW WHAT MODEL OR YEARS THIS PART FITS. CHECK THE PART NUMBERS FOR FITMENT. LOOK AT THE PHOTOS FOR THE DETAILS OF THIS PART. SHIPPING IS A FLAT RATE FEE OF $10.00 SHIPPED IN THE LOWER 48 US STATES. BOX 479