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Expansion plug for head on B tractor
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kevin LA-CA View Drop Down
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Joined: 12 Sep 2009
Location: california
Points: 63 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kevin LA-CA Quote  Post ReplyReply Direct Link To This Post Topic: Expansion plug for head on B tractor
    Posted: 17 Apr 2024 at 10:00am
Does anyone know the dorman number for the plug in the head of a b?

It looks to be 1.225 x 3/8.

Is there a cross over number or application?
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 81342 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2024 at 12:48pm
I dont know... i just took the old plug to NAPA and got one that looked like it..

Your number of 1.225 is 25 thousands under 1-1/4 inch.... that would allow for a little CRUNCH when installing.
Like them all, but love the "B"s.
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kevin LA-CA View Drop Down
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Points: 63 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kevin LA-CA Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2024 at 6:11pm
Remeasured using better attention. Plug is 1.250" in diameter.

For reference dorman 555-023.

No leaks now.
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kevin LA-CA View Drop Down
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Joined: 12 Sep 2009
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Points: 63 		Post Options Post Options   Thanks (0) Thanks(0)   Quote kevin LA-CA Quote  Post ReplyReply Direct Link To This Post Posted: 17 Apr 2024 at 6:27pm
Remeasured using better attention. Plug is 1.250" in diameter.

For reference dorman 555-023.

No leaks now.
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ACinSC View Drop Down
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Points: 2769 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ACinSC Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 2024 at 6:16am
On my D 15 I used a expansion plug from Napa, like Steve said. When I had the head redone machine shop put a freeze plug in.
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