GPW Radiator Guard to Frame Bolt Size

1941 - 1945, MB, GPW Technical questions and discussions, regarding anything related to the WWII jeep.
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DWesol
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GPW Radiator Guard to Frame Bolt Size

Post by DWesol » Tue Jun 15, 2021 7:25 pm

So, I’ve searched here multiple ways. Reading posts from as far back as 2004. With no luck.
What size is the nut & bolt that attaches the radiator guard (grille) to the frame? I also checked jeepdraw, and the SNL Section 18. No luck.
I had the grille off to install some new welting. And now I can not find the single nut/bolt/washers that I removed to accomplish this. :oops:
Dan
1942 GPW 55791 DOD 8-12-42 USA # 20144366 (Original)
1943 Bantam T 3 21392 DOD 6-21-43 USA # 0270225 (Original)
Midwest Military Vehicle Association - www.MMVA.us
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parker007
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Re: GPW Radiator Guard to Frame Bolt Size

Post by parker007 » Tue Jun 15, 2021 7:28 pm

I just did this and my old radiators are 7/16> i did not measure the length but it looked like 2"

Scrumps
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Re: GPW Radiator Guard to Frame Bolt Size

Post by Scrumps » Wed Jun 16, 2021 12:23 am

Hi,

The Jeepdraw bolts list has them as 3/8” NC by 7/8” long.

http://jeepdraw.com/images/jeepdraw/PAR ... v_%203.xls

Scrumps
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DWesol
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Re: GPW Radiator Guard to Frame Bolt Size

Post by DWesol » Wed Jun 16, 2021 9:42 am

Thanks Gentlemen,
I never would of found that on my own.
Dan
1942 GPW 55791 DOD 8-12-42 USA # 20144366 (Original)
1943 Bantam T 3 21392 DOD 6-21-43 USA # 0270225 (Original)
Midwest Military Vehicle Association - www.MMVA.us
MVPA 28115
www.MVPA.org/Oshkosh

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dpcd67
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Re: GPW Radiator Guard to Frame Bolt Size

Post by dpcd67 » Wed Jun 16, 2021 12:04 pm

The SNL, page 182 group 2103, with a big picture of the grill, which lists them as 3/8ths x 16 NC x 7/8ths; (Willys only) and your Ford parts list TM10-1346 page 78; which lists them as 3/8ths x 16 x 1.
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parker007
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Re: GPW Radiator Guard to Frame Bolt Size

Post by parker007 » Wed Jun 16, 2021 10:53 pm

all my radiators are early and i tried a 3/8 carriage bolt and the shank to small.

DWesol
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Re: GPW Radiator Guard to Frame Bolt Size

Post by DWesol » Thu Jun 17, 2021 10:21 am

Scrumps and dpcd,
I looked for your references, and found them. They are down in the fine print, for sure. The Willys Only threw me off, as did the quantity.
Now I know.
Thanks.

Parker,
I used the McMaster-Carr 7/16 x 1 1/2 Carriage Bolts for the underside of the radiator. They fit perfectly.
1942 GPW 55791 DOD 8-12-42 USA # 20144366 (Original)
1943 Bantam T 3 21392 DOD 6-21-43 USA # 0270225 (Original)
Midwest Military Vehicle Association - www.MMVA.us
MVPA 28115
www.MVPA.org/Oshkosh


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