Air Filter / Kawasaki 11029-2021Pack Size:1Kawasaki 11029-2021, Maruyama 649351Ratio Parts 176-619, Rotary 13381, Sunbelt B1110292021Kawasaki KRB750 blower and TK065 engine; Maruyama BL8100 blowerWidth: 4 ", Length: 5 ", Height: 1 1/2 "