Descriptions: Long Life Outer Air Element with Fins Use_With: PA2321, PA2570 Fits: GMC, Mack Trucks; Allis Chalmers, Case, Caterpillar, John Deere Equipment Replaces: GMC 6424690; Mack 2MD455AP2 O.D.: 6 3/32 (154.8) Fins 7 13/16 (198.4) I.D.: 3/4 (19.1) & 3 15/32 (88.1) Length: 12 3/8 (314.3) A. Gskt.: [1] Attached F. Gskt.: G103-N UPC: 791440013056