Search results

Sounds like you are in pretty good shape. One thing you can also check just for more knowledge is to measure the top of the piston Dia. as well. No idea on the DN4M pistons, but many other pistons have a slight taper to the piston, smaller on top, larger at the skirt, only by a few thousands...

Not sure what you have for a hone, but I have used this successfully. Lisle 15000 micrometer head cylinder hone...

Check with Mayi Diesel, I have bought oversized pistons from them before and I think they were in the $75 or less range or a piston with rings. They can be found on line. They have just about everything for LPW4 / DN4M .25mm is equivalent to a .010" oversize if they don't list them in mm.