Air Filter Replace MTD 937-05066, 737-05066, Rotary 15847.
Fits MTD 547cc PowerMore 4X90HU 4X90HUA 8X90KU 8X90KUB 8X90ZU 8X90ZUA 9X90HU 9X90HUA AX90HU
 AX90HUA AX90HUB Engine, Columbia CLT42G CLT42H CLT46CVT CYT4220.
Compatible with Cub Cad XT1-LT42 XT1-LT42C XT1-LT46 lawn mower tractor; 
Compatible with Troy Bilt TB42 Hydro, Super Bronco 42, Pony 42X, 
Bronco 46X, Horse 42, LTFAB46 Tractor, Craftsman T1300 T1500.
Size Perfect Fit: 3-1/2" x 4-1/4" Height.