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Howdy, GMG obviously read about it here. They picked some up, and are priced way above the going rate. All the links to the original well nut, and the brass bulk head fitting are right here. MEP-802A MEP-803A Filters and Parts go to the 2nd post, and follow the quick links. A3816 well nut...

Howdy, I see your new around here. So I won't go to hard on ya ;) GMG wants to sell the stupid little A3816 wellnut for like $22 to your door. A while ago I picked up 40 A3816 wellnuts and sold them off. In a envelope mailed to you for about $4.50 Look for parts and pieces from members here...

Howdy, All the ones which I sold, are official A3816 nitrile rubber units. I also received a letter of conformity for the well nuts. Chrispyny had the same ones. :-D

Howdy, The A3816 well nut with nitrile rubber still works fine at both locations. (top of fuel tank for fuel return line, and Fuel drain line) MEP-802A and MEP-803A have and use 2 of these items. There is another method that looks good. A brass bulkhead fuel fitting. A thread Ultimate well...

Howdy, They better be. BUT, way over priced. 1 well nut from them to your door is something like $21.35

Howdy Chris, Don't do it. for like $22 for 1 well nut.....

Howdy, Why? Ya need one?

Howdy, see private mail. :grin:

Howdy, It depends on what parts are needed? Right here is a great source for stuff.

Howdy, Any tube or drain will use a well nut to seal the opening. Any time you have a fuel leak, it will be the well nut. Not all well nuts are the same. You want this one made with Buna N nitrile rubber because of the contact with diesel.

Howdy, YES, member Chrispyny has the true correct Well nut A-3816 NSN 5310-01-197-1473 Yes, these are made with nitrile rubber (Buna-N) and are diesel fuel compatible. Tech Info THREAD CLASS 2B FLANGE THICKNESS 0.190 INCHES NOMINAL NUT DIAMETER 0.750 INCHES NOMINAL NUT LENGTH 1.060...

Howdy, When the folks drain the units, sometimes they take a shortcut and yank the fuel drain plug out. You might even be able to save the well nut. Simply hold the well nut, and turn the fuel pipe to take it off. Put the well nut back in place and put the fuel pipe piece in and tighten. 40...

Howdy, The MEP-802A and MEP-803A use the same 2 well nuts. Guyfang also added that the well nuts are used on the larger units as well. A-3816 well nut with nitrile rubber sleeve. The only location for a tiny dab of sealant would be on the threads only. The well nut goes in the hole, and the...

Howdy, Do NOT do that! That will make it split. The MEP-803A uses 2 A3816 well nuts. The fuel drain is external which you can easily see. The same principal applies about tightening. Yes, if you have a leak, you will want to drain all the fuel out of your unit. Loosen the fuel drain well nut...

Howdy, I do not have any more well nuts. I can only say, you need to verify that the sleeve material is made out of Nitrile (buna-n) You can find well nuts all over. But, since this is in contact with diesel fuel, you need the correct material.

Howdy, I am happy to help the community with the extra A3816 nitrile well nuts I had purchased. I am glad I was able to get them out for a decent price. I did not realize they ____________ were moving the well nuts along for $20.70 each. wow... aua :-D I am sold out.

Howdy, Take a look at the pictures. The well nut is actually a nut assembly covered in rubber (nitrile in our case) You have a hole in the plastic fuel tank. The fuel line has a threaded fitting on it, these threads reach the nut assembly on the far side of this little well nut. When it starts...

Howdy, When installing the well nut. The area around the well nut need to be clean and dry. The only place form-a-gasket 2 is placed in on the threads. A very very little amount. 40 inch-lbs torque installation.

Howdy, I do not know about other gensets. This is the part number and NSN which works on the MEP-802A fuel drain line, and the fuel return/aux fuel input line on the top of the tank. This is the part number and NSN which works on the MEP-803A fuel drain, and the fuel return/aux fuel input...

Howdy, Do you have a part number or NSN for it?