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Author Topic:   nav light bulb for 13 Classic
13sport posted 04-11-2006 05:42 PM ET (US)   Profile for 13sport  
I need to replace my bow nav light bulb. There are no numbers or any writing on the old bulb.

I have also extensively searched this site but to no avail.

Does anyone know what size etc. ?



Tom W Clark posted 04-11-2006 05:44 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark
Tom W Clark posted 04-11-2006 05:50 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
Wait, scap that. A Sport 13 you say? Try a PERKO Part # PKO0071DP0CLR
13sport posted 04-11-2006 07:18 PM ET (US)     Profile for 13sport    

Thanks for the reply.

Isn't a PKO0071DP0CLR a double ended festoon bulbs?

My bulb is more like a flash light bulb but round.


Tom W Clark posted 04-11-2006 08:13 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
Yes, the 0071 is double ended festoon type bulb that is used in the OE Whaler bow light on most Whalers up to 17'. It is also used on most small off-the-shelf Perko lights.

What year Sport 13 do you have and are you sure the light is OE?

Chuck Tribolet posted 04-11-2006 08:36 PM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
Threaded? Bayonet? Neither?

About what OD on the base?

Have you inspected it with a magnifying glass? I couldn't
find the numbers on a bulb recently till I got out my loupe.


13sport posted 04-11-2006 09:51 PM ET (US)     Profile for 13sport    
Chuck & Tom,

Thank you for your replies!

The boat is a 1976. I do believe that the lamp is OEM.

I did what Chuck suggested. I got out a magnifying glass.

Here is the bulb that was in my boat:

Manufacturer Code: 25591
Manufacturer: GE Lighting

Product Specs
Voltage 14
Wattage 3.36
Amps .24
Base BA9
Shape G4.5
Length 27
Life Hours 500
Filament C-2V products_id=6731

Do you think that this bulb is the proper bulb for a Boston Whaler Nav lamp?

Coast Guard approved?

What else would you recommend?



jimh posted 04-12-2006 01:24 PM ET (US)     Profile for jimh  Send Email to jimh     
I do not believe the U.S. Coast Guard maintains a list of approved minature electric lightbulbs for use in satisfying the requirements for vessel navigation lighting.
Joe Kriz posted 04-12-2006 01:49 PM ET (US)     Profile for Joe Kriz  Send Email to Joe Kriz     
The earlier style of Bow Lights used a different bulb that the later bayonet type.

The early style also had a one piece lens and the later had a two piece. There were also a few variations in different years.

[url=]One Piece Lens[/url]

[url=]Two Piece Lens[/url]

Dick posted 04-12-2006 02:40 PM ET (US)     Profile for Dick  Send Email to Dick     
That would be a GE #57 or an Ancor #520057. You should be able to find them at any marine store or most auto parts stores.
13sport posted 04-12-2006 09:56 PM ET (US)     Profile for 13sport    
Thank you. One and All!


Chuck Tribolet posted 04-12-2006 11:33 PM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
While I agree with jimh that the CG doesn't maintain a list
of approved bulbs, I do think that when a given nav light is
submitted to the CG for approval, the appropriate bulb is

Net: you should have the nav light manufacturer's speced
bulb installed.


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