Main oil gallery plug

[jltcat]

does anyone know what size/where to get the plug that goes inside the block that plugs the main oil gallery. Its a shiny silver plug on the back of the block. I custom made a plug cause I wasnt able to find one but I dont want to continue to take the time to custom make plugs everytime I rebuild an engine. Thanks

 

[sunflashx]

3/8" MPT I believe.

1g/2g - MD040338, Should be around $1.50 from the dealer.

 

[Amar1995]

Just so you know they are not oil gallerys, they are galleys

 

[jltcat]

I have several detailed engine books that say gallery. However I have seen several places on the net that refer to it as galley. Most places refer to them as gallery plugs.

 

[jltcat]

I thought it was 3/8" NPT as well but under further investigation I found that it was .028" smaller than the 3/8" NPT.

 

[pneumo]

You do realise that NPT is a tapered thread, right?

 

[jltcat]

yes.

 

[92GVR4#333]

do you also realize that it is not a 3/8 pipe but a metric equilivant?

 

[fstrmnky]

So does anyone know for sure what size the main oil galley plug is? I called a couple stealers and none had any in stock. Mine was taken out when i had the block cleaned. I stripped out the allen head on the plug that was in my old junk engine - was hoping to take it with me to the hardware store to figure out what size to get. i need to find a plug so i can get my car going - hopefully this weekend.

any help would be great thanks!

 

[Suparata]

3/8 BSP or you can call it JPT.3/8-19

 

[fstrmnky]

Thanks for the reply.

Do you know what the length is too? Also, is that a common enough size that the hardware store will carry it or do you know where i can order one from? I tried stopping by autozone and they weren't able to help although at the time i didn't know the size.

Thanks

(edited to fix typo)

 

[Suparata]

You will not find that in hardware stores so, if the dealers don’t want to get it for you, try some DSM vendors.

 

[jltcat]

brought back from the dead wow. Yeah I was able to locate replacements a while ago through a supplier in Mass. thanks for the info though.