Tisco L4406 Tractor Headlight Bulb 4 1/2 Inch Tractor Headlight Bulb for Allis, Case, John Deere, International Harvester, Ford, Massey Ferguson Replaces A42294 Case, TP-AR21059 John Deere, C5NN13007F Ford, 390756R91 IHC, and 505285M1 Massey 4 1/2 Inch Diameter 2 Screw Terminal 12 Volt - Sealed Beam