This is a A-73EG13009AA BULB, 12V 60-50W PN: 73EG13009AAMain Description As Following : A-73EG13009AA BULB, 12V 60-50W P.N: 73EG13009AA Dim A (1): H4 Bulb, 12 VoltDim B (2): 55 Watt Stocked As: A-87283179 Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : Dim A (1): H4 Bulb, 12 Volt Dim B (2): 55 Watt