OEM style 20 amp gauge for IH tractors Cub, A, B, Super A, A1, AV, AV1, C, Super C, H, HV, Super H, HV, M, MV, MDV, MD, Super M, M-TA, O-4, OS-4, 0-6, OS-6, ODS-6, W4, W-6, WD-6, W-9, WD-9, WR-9, WDR-9