Air Filter / Kohler/277138 Pack Size:1 GRAVELY 21449300, KOHLER 277138, KOHLER 277138-S, LESCO 006577 DEALER CHOICE 15-1210, DONALDSON P530641, EDGEWATER 014725, ESF 101-302, FOLEY/PLP 101-302, GREEN LINE 38358, GREEN MEADOW AF213, J. THOMAS AF-1387, LANDSCAPER EXPRESS 510233, MOW MORE K087, NAPA 2298, OREGON 30-092, PRIME LINE 7-02225, QUALITY 242135, ROTARY 1387, SUNBELT SB-1387, SUNBELT B1SB1387, WIX 42298 GRAVELY For 23 HP engines; KOHLER K301, K482, K532 and K582; for 23 HP engines Height: 4 ", OD: 6 ", ID: 4 5/8 "