Descriptions: Air Element with Bolt Contains: Bolt Thread: 5/16-18 Fits: GMC, International Buses, Trucks Replaces: GMC 25040533; International 470289-C1 O.D.: 10 3/8 (263.5) I.D.: 6 1/32 (153.2) One End Length: 10 1/2 (266.7) A. Gskt.: [1] Attached UPC: 791440019218