Radial Seal Outer Air Element Use_With: RS3871, RS4639 Fits: Caterpillar, Hitachi, John Deere, Terex, Volvo Equipment Replaces: Terex 15270188; Volvo 11033996 O.D.: 12 9/32 (311.9) I.D.: 6 31/32 (177.0) One End Length: 20 17/32 (521.5) Related to: RS4638 (without Blank Band)