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dmsfrr · 01-16-2021, 06:00 PM

Clear or yellow/amber color?
If the internet converted 140 mm to inches correctly for me (5.511 inches) that could be a # 4012 bulb. This also depends a bit on how and where you measured the bulb and fixture it goes into.

Scroll halfway down the page at this first link to the "Fog & Driving Sealed Beam 6-8 Volt Light Bulbs" section,
in the "5 1/2 Inch diameter" category.
https://www.taillightking.com/fog_Dr...ight-Bulbs.htm
They are a bit pricey on this page but I used it to get the part number, 4012.
"A" = Amber colored lens, no letter after the part number would be for a 'clear' lens

Another bulb industry size designation for the lamp is "PAR 46" (if the old size is measured correctly) with the "46" being the diameter of the bulb in 1/8th inch units, in case converting mm to inches wasn't already confusing enough. (PAR = parabolic aluminized reflector) You may have different / better internet search results using; 'par 46 fog lamp'.

Assuming this a good part number for you... you can search the internet for better prices or sellers closer to you.
A couple examples...
http://www.classicautobulbs.com/auto...bulb_amber.htm

https://www.ebay.com/itm/1940-50-s-C...4AAOSwTO9eUWCR

There are similar slightly smaller bulbs, with a different part number, 4015-A (PAR 44)
These are also shown in the "4 1/2 inch" 6 volt sealed beam category at the first link above.
Example...
https://www.chevsofthe40s.com/detail...v_5_Screw.html

A bulb and lamp supply store should have better prices on these than specialty and classic car suppliers, if the bulbs are available from their sources.
.

01-16-2021, 06:00 PM	#2
dmsfrr Senior Member Join Date: Aug 2012 Location: Abq, NM Posts: 3,607	Re: Sealed beam foglights wanted. Clear or yellow/amber color? If the internet converted 140 mm to inches correctly for me (5.511 inches) that could be a # 4012 bulb. This also depends a bit on how and where you measured the bulb and fixture it goes into. Scroll halfway down the page at this first link to the "Fog & Driving Sealed Beam 6-8 Volt Light Bulbs" section, in the "5 1/2 Inch diameter" category. https://www.taillightking.com/fog_Dr...ight-Bulbs.htm They are a bit pricey on this page but I used it to get the part number, 4012. "A" = Amber colored lens, no letter after the part number would be for a 'clear' lens Another bulb industry size designation for the lamp is "PAR 46" (if the old size is measured correctly) with the "46" being the diameter of the bulb in 1/8th inch units, in case converting mm to inches wasn't already confusing enough. (PAR = parabolic aluminized reflector) You may have different / better internet search results using; 'par 46 fog lamp'. Assuming this a good part number for you... you can search the internet for better prices or sellers closer to you. A couple examples... http://www.classicautobulbs.com/auto...bulb_amber.htm https://www.ebay.com/itm/1940-50-s-C...4AAOSwTO9eUWCR There are similar slightly smaller bulbs, with a different part number, 4015-A (PAR 44) These are also shown in the "4 1/2 inch" 6 volt sealed beam category at the first link above. Example... https://www.chevsofthe40s.com/detail...v_5_Screw.html A bulb and lamp supply store should have better prices on these than specialty and classic car suppliers, if the bulbs are available from their sources. . Last edited by dmsfrr; 01-16-2021 at 07:19 PM.