Check the listing for details. Air Spring Air Bag Semi Truck Firestone Spec OE Spec W01-358-6910 2B9-200. Condition: New. Listed at 89.99 USD. Brand New Double Convoluted OE Spec Air Spring This listing is for ONE BRAND NEW Double Convoluted Style air spring. It is OE Spec and conforms to the following alternate part numbers: Cross Reference Part Numbers: Firestone Part Number - W01-358-6910 Goodyear Part Number - 2B9-200 Contitech Part Number - Automann Part Number - ABSP2B12R-6910 Power10 Part Number - AB-6910 Firestone Bellows Number - 20F was 20 Goodyear Bellows Number - 578-92-3-202 Contitech Bellows Number - FD 200-19 Triangle Bellows Number - 6325 Specifications: Air Spring Style - Double Convoluted Top Plate Hole Stud Quantity - 2 Top Plate Diameter - 6.31" Bottom Plate Hole Stud Quantity - 2 Bottom Plate Alignment - Parallel Bumper - No Minimum Height - 3.1" Maximum Height - 10.8" Maximum Diameter - 9.8" This is an OE Spec direct replacement for the stock spring. Some Items available for pickup at our warehouses in Arlington Texas and Pennsauken New Jersey, contact us to verify that this item in stock. Shipping Policy Information: Our springs typically ship within one business day, but with the amount of warehouses we ship from there can be delays in getting tracking information. Please be patient as we will upload tracking when it becomes available. If you are purchasing multiple springs and ground shipping becomes high enough, we can ship the springs on a pallet via a freight carrier and combine the shipping generally resulting in a generous amount of shipping cost savings. Please contact us prior to purchase to make such arrangements.