Caterpillar C-15 / 3406 Brass Water Jacket Repair Insert.
These will need to be press fit into the block.
Dimensions are:
1.035 O.D
.375 Height
Price is $4.95 each
Cat C-15 / 3406 Brass Water Jacket Repair Insert
SKU: LS - Cat Water Repair Insert
$4.95Price