Need a replacement for Koito Motorcycle Sealed Beam

[DIMiller]

Hi. I have an old Koito Motorcycle sealed beam headlight (12V50/40w; part # 4438 JAPAN 19P) that I would like to replace with a much brighter headlight as it is pretty much useless at night. The headlight measures approximately 6 3/4" in diameter and has the three terminal connector in the shape of a box with not bottom:

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The distance between the vertical terminals is 5/8" and the distance between the horizontal terminaland the bottom of the vertical terminals is 1/2".

Is there anything out there I can get to replace this headlight without changing wattage?

Thanks.

PS. The existing headlamp described above is from a "Suzuki" Fairing (after market?) on the 79 GS850 I recently bought. I'm guessing the "Suzuki" Fairing is an OEM of a Vetter Fairing?

[DanTheMan]

Try this site. It's where I bought my H4 to replace the sealed beam.

http://store.candlepower.com/ca7inquhhe.html

[OldVet66]

Second that on Candlepower. The H4 replacement for the sealed beam opens up a lot of options. The reflector is the same for all, so you can put any H4 bulb in there.