1953-1956 Ford F-100 and F-250, Mercury M-100. NEW OLD STOCK Steering Gear Box Pitman Arm. This is an ORIGINAL FORD NOS PART. Casting Number TAAA-3590-A. This is new in excellent condition. Ready To Detail and Use. Impossible to Find Original NOS. Please email with questions. 101821-5 WE HAVE AN EBAY STORE WITH THOUSANDS OF ORIGINAL and NOS FORD PARTS. CHECK IT OUT.