Knob only for rear combo light switch
Item #: IHS590-ISpecifications: Final Application: Fits following models w/ voltage regulators: Cub, (A, AV & Supers), B, BN, (C, H, HV, M, MD, MV, MDV, & Supers), MTA series, (W4, W6 & Supers), W9, W6TA series, WD6, WD9, WR9, WDR9, O4, OS4, O6, OS6, I4, I6, ID6, I9, ID9 Replacement Number: Notes: For tractors w/ regulators, not cutouts & w/ rear light w/out switch on light.