1958 1959 OLDSMOBILE AIR RIDE COMPRESSOR TO POWER STEERING PUMP SEAL NOS. GM# 5686511. This is an Original GM Saginaw Seal for the Air Ride Compressor to P/S Pump on the 1958 and 1959 Oldsmobiles With the RARE Air Ride Option. I acquired this in a Vintage Oldsmobile Dealership Parts Inventory. The GM Package is Aged and Worn, but the Seal is in Excellent Condition.  VERY HARD To find Item and Great to have for a car with this RARE Option. FREE FIRST CLASS LETTER MAIL SHIPPING IN THE US.