Replacement for 57310DX 4 Position Cutout Light Switch Fits FARMALL IH Fits Cub A B C H DESCRIPTION (1) Brand New Aftermarket Replacement Rotary Light Switch (4-Position) Fits Tractor models: A, AV, B, H, M, MV, O4, O6, OS4, OS6, W4, W6, WR9 (with cut-out relay), C (with cut-out relay, Up to S/N 47125), Fits Cub (cut-out relay Fits Cub mounts on governor housing), HV (with cut-out relay, Up to S/N 340953), W9 (with cut-out relay, magneto ignition)