Guess it didn’t get tightened good enough, so here I am. Not around the truck at the moment to measure. Anybody know what size?
DDEC2 12.7 oil fill plug size
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mile marker 27, Nov 5, 2022.
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1/2" pipe
Rideandrepair Thanks this. -
It's between 1 1/4" to 1 1/2" try a wing nut test plug from lowes or home depot for a temporary until you get a new one.
JoeyJunk, Big Road Skateboard and Rideandrepair Thank this. -
JoeyJunk Thanks this.
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Found a bad B model Cat and it’s plug fit perfect. That ought to make that 12.7 hump better!!
Magoo1968, blairandgretchen, baha and 1 other person Thank this.
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