Air Filter Fits Honda GX 340 11 HP and GX 390 13 HP 17210-ZE3-505 17210-ZE3-010 5252697 2893907 Brand New Air Filter Fits Honda Engine GX 340 & GX 390 For 11 HP & 13 HP Engine Includes Pre-Filter Size: 4-3/8" (L) x 3-3/4" (W) x 3-5/8"(H)